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Title Result Management Program in CPP - (Mini Project)
Author Suansh Singhal
Author Email suanshsinghal [at] gmail.com
Description This code is designed to maintain the result record of students (in schools and college).
This code will work well on '50 Line' settings.
Category C++ » Beginners / Lab Assignments
Hits 374731
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/* WELCOME TO THE PROJECT 'RESULT MANAGEMENT' MADE BY SUANSH SINGHAL OF CLASS XII D OF D.L.D.A.V. N.D BLOCK, PITAMPURA */ // INCLUDING ALL THE HEADER FILES // #include<conio.h> #include<process.h> #include<fstream.h> #include<string.h> #include<stdio.h> #include<dos.h> // CLASS NAMED 'STUDENT' TO CALCULATE GRADE,TOTAL AND PERCANTAGE // class student { private: public: char grade(long int x,int y); long int total(int a,int b,int c,int d,int e); float percent(long int z); }; char student::grade(long int x,int y) { // FUNCTION TO CALCULATE GRADE // if((x*100/y)>74) return('A'); else { if((x*100/y)>60) return('B'); else { if((x*100/y)>33) return('C'); else return('E'); } } } long int student::total(int a,int b,int c,int d,int e) { // FUNCTION TO CALCULATE TOTAL MARKS // int t; t=(a+b+c+d+e); return (t); } float student::percent(long int z) { // FUNCTION TO CALCULATE PERCANTAGE // float p=0; p=(z*100)/410; return(p); } // STRUCTURE TO INPUT DETAILS OF STUDENT // struct studres { int clas; char s; int rollno; char name[30]; char fatername[30]; char teachname[30]; int engmark; int matmark; int phymark; int chemark; int commark; int total; float percentage; }stdres; struct temp { int roll; char name[30]; int clas; char sec; int total; }temp; // ALL THE FUNCTIONS INITIALIZED // void create(); void add(); void search(); void modify(); void merit(); void merit1(); void delet(); char grade(long int x,int y); long int total(int a,int b,int c,int d,int e); float percent(long int z); int checking(int z, char y, int x); void menu(); void main() { // MAIN PROGRAM STARTS HERE // clrscr(); gotoxy(20,6); cout<<" R E S U L T M A N A G E M E N T"; gotoxy(10,10); cout<<" By Suansh Singhal of class XII D"; getch(); clrscr(); menu(); // CALLING FUNCTION TO PRINT MENU // } void create() { // FUNCTION TO CREATE THE MAIN FILE // clrscr(); char ans; fstream result; gotoxy(20,6); cout<<"WARNING !!! ALL PREVIOUS RECORDS WILL BE DELETED"; gotoxy(10,10); cout<<" DO YOU STILL WANT TO CONTINUE(Y/N):"; cin>>ans; if(ans != 'N' || ans != 'n') { result.open("result.dat",ios::out|ios::binary); result.close(); } menu(); } void add() { // FUNCTION TO ADD DETAILS OF THE STUDENT // top: clrscr(); int max1=100,max2=70,kar,l,m; char ch,n; cout<<"CLASS:"; gotoxy (16,1); cout<<"SECTION:"; gotoxy(31,1); cout<<"ROLL NO:"; gotoxy(47,1); cout<<"STUDENT'S NAME:"; gotoxy(1,5); cout<<"FATHER NAME:"; gotoxy(45,5); cout<<"CLASS TEACHER:"; gotoxy(1,9); cout<<"S.NO."; gotoxy(15,9); cout<<"SUBJECT"; gotoxy(30,9); cout<<"MARKS"; gotoxy(40,9); cout<<"MAXIMUM MARKS"; gotoxy(70,9); cout<<"GRADE"; gotoxy(3,11); cout<<"1"; gotoxy(15,11); cout<<"ENGLISH"; gotoxy(3,13); cout<<"2"; gotoxy(15,13); cout<<"MATHS"; gotoxy(3,15); cout<<"3"; gotoxy(15,15); cout<<"PHYSICS"; gotoxy(3,17); cout<<"4"; gotoxy(15,17); cout<<"CHEMISTRY"; gotoxy(3,19); cout<<"5"; gotoxy(15,19); cout<<"COMPUTER"; gotoxy(3,25); cout<<"6"; gotoxy(15,25); cout<<"TOTAL"; gotoxy(3,27); cout<<"7"; gotoxy(15,27); cout<<"PERCENTAGE"; // getting student information // gotoxy(8,1); cin>>m; gotoxy(25,1); n=getchar(); fflush(stdin); fstream result; result.open("result.dat",ios::app|ios::binary); gotoxy(40,1); cin>>l; kar=checking(m,n,l); if(kar==1) { result.close(); goto top; } else { stdres.clas=m; stdres.s=n; stdres.rollno=l; } gotoxy(63,1); gets(stdres.name); fflush(stdin); gotoxy(14,5); gets(stdres.fatername); fflush(stdin); gotoxy(60,5); gets(stdres.teachname); gotoxy(47,11); /*marks table*/ cout<<"100"; gotoxy(32,11); cin>>stdres.engmark; gotoxy(72,11); cout<<grade(stdres.engmark,max1); gotoxy(47,13); cout<<"100"; gotoxy(32,13); cin>>stdres.matmark; gotoxy(72,13); cout<<grade(stdres.matmark,max1); gotoxy(47,15); cout<<" 70"; gotoxy(32,15); cin>>stdres.phymark; gotoxy(72,15); cout<<grade(stdres.phymark,max2); gotoxy(47,17); cout<<" 70"; gotoxy(32,17); cin>>stdres.chemark; gotoxy(72,17); cout<<grade(stdres.chemark,max2); gotoxy(47,19); cout<<" 70"; gotoxy(32,19); cin>>stdres.commark; gotoxy(72,19); cout<<grade(stdres.commark,max2); gotoxy(47,25); cout<<"410"; gotoxy(31,25); cout<<total(stdres.engmark,stdres.matmark,stdres.phymark,stdres.chemark,st dres.commark); stdres.total=total(stdres.engmark,stdres.matmark,stdres.phymark,stdres.che mark,stdres.commark); gotoxy(32,27); stdres.percentage=percent(stdres.total); cout<<stdres.percentage; gotoxy(80,50); result.write((char*)&stdres,sizeof(stdres)); result.close(); getch(); menu(); } char grade(long int x,int y) { // FUNCTION THAT CALCULATES GRADE OF THE STUDENT // if((x*100/y)>74) return('A'); else { if((x*100/y)>60) return('B'); else { if((x*100/y)>33) return('C'); else return('E'); } } } long int total(int a,int b,int c,int d,int e) { // FUNCTION TO CALCULATE TOTAL OF STUDENT // int t; t=(a+b+c+d+e); return (t); } float percent(long int z) { float p=0; p=(z*100)/410; return(p); } int checking(int z, char y, int x) { // FUNCTION TO CALCULATE WETHER STUDENT EXISTS // int suansh=0; fstream result; result.open("result.dat",ios::in|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { if(stdres.clas==z&&stdres.s==y&&stdres.rollno==x) { clrscr(); gotoxy(22,25); cout<<"ENTRY ALREADY EXISTS"; getch(); suansh=1; break; } result.read((char*)&stdres, sizeof(stdres)); } return(suansh); } void menu() // FUNCTION THAT PRINTS THE MAIN MENU // { clrscr(); int ans; gotoxy(25,10); cout<<"M A I N M E N U"; gotoxy(17,15); cout<<"1. Create the Primary Result Register"; gotoxy(17,16); cout<<"2. Add Result"; gotoxy(17,17); cout<<"3. Modify Result"; gotoxy(17,18); cout<<"4. Search Result"; gotoxy(17,19); cout<<"5. Delete Result"; gotoxy(17,20); cout<<"6. Generate Merit List Grade wise per subject"; gotoxy(17,21); cout<<"7. Generate Merit List on basis of Total Marks"; gotoxy(17,22); cout<<"8. Exit"; gotoxy(40,25); cout<<"Enter Option(1-8):"; cin>>ans; // SWITCH USED TO MAKE PROGRAM MENU BASED // switch(ans) { case 1:create(); break; case 2: add(); break; case 3: modify(); break; case 4: search(); break; case 5: delet(); break; case 6: merit(); break; case 7: merit1(); break; case 8: exit(0); } } void search() { // FUNCTION TO SEARCH A STUDENT // { clrscr(); int max1=100,max2=70,roll,flag=0; char ch; gotoxy(23,15); cout<<"Enter the Roll No. of the student: "; cin>>roll; fstream result; result.open("result.dat",ios::in|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { if(stdres.rollno==roll) { flag=1; clrscr(); gotoxy(23,25); cout<<"RECORD FOUND"; gotoxy(23,27); cout<<"PRESS ANY KEY TO CONTINUE ..."; getch(); clrscr(); cout<<"CLASS:"; gotoxy (16,1); cout<<"SECTION:"; gotoxy(31,1); cout<<"ROLL NO:"; gotoxy(47,1); cout<<"STUDENT'S NAME:"; gotoxy(1,5); cout<<"FATHER NAME:"; gotoxy(45,5); cout<<"CLASS TEACHER:"; gotoxy(1,9); cout<<"S.NO."; gotoxy(15,9); cout<<"SUBJECT"; gotoxy(30,9); cout<<"MARKS"; gotoxy(40,9); cout<<"MAXIMUM MARKS"; gotoxy(70,9); cout<<"GRADE"; gotoxy(3,11); cout<<"1"; gotoxy(15,11); cout<<"ENGLISH"; gotoxy(3,13); cout<<"2"; gotoxy(15,13); cout<<"MATHS"; gotoxy(3,15); cout<<"3"; gotoxy(15,15); cout<<"PHYSICS"; gotoxy(3,17); cout<<"4"; gotoxy(15,17); cout<<"CHEMISTRY"; gotoxy(3,19); cout<<"5"; gotoxy(15,19); cout<<"COMPUTER"; gotoxy(3,25); cout<<"6"; gotoxy(15,25); cout<<"TOTAL"; gotoxy(3,27); cout<<"7"; gotoxy(15,27); cout<<"PERCENTAGE"; gotoxy(8,1); cout<<stdres.clas; /*printing student information*/ gotoxy(25,1); cout<<stdres.s; gotoxy(40,1); cout<<stdres.rollno; gotoxy(63,1); puts(stdres.name); fflush(stdout); gotoxy(14,5); puts(stdres.fatername); fflush(stdout); gotoxy(60,5); puts(stdres.teachname); gotoxy(47,11); /*marks table*/ cout<<"100"; gotoxy(32,11); cout<<stdres.engmark; gotoxy(72,11); cout<<grade(stdres.engmark,max1); gotoxy(47,13); cout<<"100"; gotoxy(32,13); cout<<stdres.matmark; gotoxy(72,13); cout<<grade(stdres.matmark,max1); gotoxy(47,15); cout<<" 70"; gotoxy(32,15); cout<<stdres.phymark; gotoxy(72,15); cout<<grade(stdres.phymark,max2); gotoxy(47,17); cout<<" 70"; gotoxy(32,17); cout<<stdres.chemark; gotoxy(72,17); cout<<grade(stdres.chemark,max2); gotoxy(47,19); cout<<" 70"; gotoxy(32,19); cout<<stdres.commark; gotoxy(72,19); cout<<grade(stdres.commark,max2); gotoxy(47,25); cout<<"410"; gotoxy(31,25); cout<<total(stdres.engmark,stdres.matmark,stdres.phymark,stdres.chemark,st dres.commark); stdres.total=total(stdres.engmark,stdres.matmark,stdres.phymark,stdres.che mark,stdres.commark); gotoxy(32,27); stdres.percentage=percent(stdres.total); cout<<stdres.percentage; gotoxy(80,50); result.close(); getch(); menu(); } else result.read((char*)&stdres,sizeof(stdres)); } if(flag==0) { clrscr(); gotoxy(23,23); cout<<"SORRY! The Roll No."<<roll<<" does not exist."; gotoxy(23,25); cout<<" PLEASE! TRY AGAIN."; result.close(); getch(); menu(); } } } void modify() { // FUNCTION TO MODIFY STUDENT'S DATA // clrscr(); int max1=100,max2=70,roll,flag=0,flag2=0; char ch,z,n; gotoxy(23,15); cout<<"Enter the Roll No. of the student: "; cin>>roll; fstream result,tfile; result.open("result.dat",ios::in|ios::binary); tfile.open("tfile.dat",ios::out|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { if(stdres.rollno==roll) { flag=1; clrscr(); gotoxy(23,25); cout<<"RECORD FOUND"; gotoxy(23,27); cout<<"PRESS ANY KEY TO CONTINUE ..."; getch(); clrscr(); cout<<"CLASS:"; gotoxy (16,1); cout<<"SECTION:"; gotoxy(31,1); cout<<"ROLL NO:"; gotoxy(47,1); cout<<"STUDENT'S NAME:"; gotoxy(1,5); cout<<"FATHER NAME:"; gotoxy(45,5); cout<<"CLASS TEACHER:"; gotoxy(1,9); cout<<"S.NO."; gotoxy(15,9); cout<<"SUBJECT"; gotoxy(30,9); cout<<"MARKS"; gotoxy(40,9); cout<<"MAXIMUM MARKS"; gotoxy(70,9); cout<<"GRADE"; gotoxy(3,11); cout<<"1"; gotoxy(15,11); cout<<"ENGLISH"; gotoxy(3,13); cout<<"2"; gotoxy(15,13); cout<<"MATHS"; gotoxy(3,15); cout<<"3"; gotoxy(15,15); cout<<"PHYSICS"; gotoxy(3,17); cout<<"4"; gotoxy(15,17); cout<<"CHEMISTRY"; gotoxy(3,19); cout<<"5"; gotoxy(15,19); cout<<"COMPUTER"; gotoxy(3,25); cout<<"6"; gotoxy(15,25); cout<<"TOTAL"; gotoxy(3,27); cout<<"7"; gotoxy(15,27); cout<<"PERCENTAGE"; gotoxy(8,1); cout<<stdres.clas; /*printing student information*/ gotoxy(25,1); cout<<stdres.s; gotoxy(40,1); cout<<stdres.rollno; gotoxy(63,1); puts(stdres.name); fflush(stdout); gotoxy(14,5); puts(stdres.fatername); fflush(stdout); gotoxy(60,5); puts(stdres.teachname); gotoxy(47,11); /*marks table*/ cout<<"100"; gotoxy(32,11); cout<<stdres.engmark; gotoxy(72,11); cout<<grade(stdres.engmark,max1); gotoxy(47,13); cout<<"100"; gotoxy(32,13); cout<<stdres.matmark; gotoxy(72,13); cout<<grade(stdres.matmark,max1); gotoxy(47,15); cout<<" 70"; gotoxy(32,15); cout<<stdres.phymark; gotoxy(72,15); cout<<grade(stdres.phymark,max2); gotoxy(47,17); cout<<" 70"; gotoxy(32,17); cout<<stdres.chemark; gotoxy(72,17); cout<<grade(stdres.chemark,max2); gotoxy(47,19); cout<<" 70"; gotoxy(32,19); cout<<stdres.commark; gotoxy(72,19); cout<<grade(stdres.commark,max2); gotoxy(47,25); cout<<"410"; gotoxy(31,25); cout<<total(stdres.engmark,stdres.matmark,stdres.phymark,stdres.chemark,st dres.commark); stdres.total=total(stdres.engmark,stdres.matmark,stdres.phymark,stdres.che mark,stdres.commark); gotoxy(32,27); stdres.percentage=percent(stdres.total); cout<<stdres.percentage; getch(); gotoxy(32,40); cout<<"WOULD YOU LIKE TO MAKE ANY CHANGES "; cout<<"IF YES .. PRESS 'A' "; z=getch(); if(z=='a'||z=='A') { flag2=1; clrscr(); /*again printing format for modification*/ cout<<"CLASS:"; gotoxy (16,1); cout<<"SECTION:"; gotoxy(31,1); cout<<"ROLL NO:"; gotoxy(47,1); cout<<"STUDENT'S NAME:"; gotoxy(1,5); cout<<"FATHER NAME:"; gotoxy(45,5); cout<<"CLASS TEACHER:"; gotoxy(1,9); cout<<"S.NO."; gotoxy(15,9); cout<<"SUBJECT"; gotoxy(30,9); cout<<"MARKS"; gotoxy(40,9); cout<<"MAXIMUM MARKS"; gotoxy(70,9); cout<<"GRADE"; gotoxy(3,11); cout<<"1"; gotoxy(15,11); cout<<"ENGLISH"; gotoxy(3,13); cout<<"2"; gotoxy(15,13); cout<<"MATHS"; gotoxy(3,15); cout<<"3"; gotoxy(15,15); cout<<"PHYSICS"; gotoxy(3,17); cout<<"4"; gotoxy(15,17); cout<<"CHEMISTRY"; gotoxy(3,19); cout<<"5"; gotoxy(15,19); cout<<"COMPUTER"; gotoxy(3,25); cout<<"6"; gotoxy(15,25); cout<<"TOTAL"; gotoxy(3,27); cout<<"7"; gotoxy(15,27); cout<<"PERCENTAGE"; gotoxy(8,1); cout<<stdres.clas; /*printing student information*/ gotoxy(25,1); cout<<stdres.s; gotoxy(40,1); cout<<stdres.rollno; gotoxy(63,1); gotoxy(63,1); gets(stdres.name); fflush(stdin); gotoxy(14,5); gets(stdres.fatername); fflush(stdin); gotoxy(60,5); gets(stdres.teachname); gotoxy(47,11); /*marks table*/ cout<<"100"; gotoxy(32,11); cin>>stdres.engmark; gotoxy(72,11); cout<<grade(stdres.engmark,max1); gotoxy(47,13); cout<<"100"; gotoxy(32,13); cin>>stdres.matmark; gotoxy(72,13); cout<<grade(stdres.matmark,max1); gotoxy(47,15); cout<<" 70"; gotoxy(32,15); cin>>stdres.phymark; gotoxy(72,15); cout<<grade(stdres.phymark,max2); gotoxy(47,17); cout<<" 70"; gotoxy(32,17); cin>>stdres.chemark; gotoxy(72,17); cout<<grade(stdres.chemark,max2); gotoxy(47,19); cout<<" 70"; gotoxy(32,19); cin>>stdres.commark; gotoxy(72,19); cout<<grade(stdres.commark,max2); gotoxy(47,25); cout<<"410"; gotoxy(31,25); cout<<total(stdres.engmark,stdres.matmark,stdres.phymark,stdres.chemark,st dres.commark); stdres.total=total(stdres.engmark,stdres.matmark,stdres.phymark,stdres.che mark,stdres.commark); gotoxy(32,27); stdres.percentage=percent(stdres.total); cout<<stdres.percentage; gotoxy(80,50); tfile.write((char*)&stdres,sizeof(stdres)); result.read((char*)&stdres,sizeof(stdres)); getch(); } else { tfile.write((char*)&stdres,sizeof(stdres)); result.read((char*)&stdres,sizeof(stdres)); } } else { tfile.write((char*)&stdres,sizeof(stdres)); result.read((char*)&stdres,sizeof(stdres)); } } result.close(); tfile.close(); if(flag2==1) { result.open("result.dat",ios::out|ios::binary); tfile.open("tfile.dat",ios::in|ios::binary); tfile.read((char*)&stdres,sizeof(stdres)); while(tfile) { result.write((char*)&stdres,sizeof(stdres)); tfile.read((char*)&stdres,sizeof(stdres)); } result.close(); tfile.close(); } if(flag==0) { clrscr(); gotoxy(23,23); cout<<"SORRY! The Roll No."<<roll<<" does not exist."; gotoxy(23,25); cout<<" PLEASE! TRY AGAIN."; result.close(); getch(); } menu(); } void merit1() { // FUNCTION TO GENERATE MERIT LIST // clrscr(); int larg,l,flag=0; gotoxy(15,17); cout<<"Press any key for the merit list "; gotoxy(80,50); getch(); clrscr(); gotoxy(15,17); cout<<"PLEASE wait while the list is being generated..."; gotoxy(80,50); delay(2000); clrscr(); gotoxy(15,15); cout<<"LIST generated."; gotoxy(15,17); cout<<"press any key to continue..."; gotoxy(80,50); getch(); clrscr(); fstream result,tfile; result.open("result.dat",ios::in|ios::binary); tfile.open("tfile.dat",ios::out|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { l=total(stdres.engmark,stdres.matmark,stdres.phymark,stdres.chemark,stdres commark); if(l>368) { temp.roll=stdres.rollno; strcpy(temp.name,stdres.name); temp.clas=stdres.clas; temp.sec=stdres.s; temp.total=l; tfile.write((char*)&temp,sizeof(temp)); } result.read((char*)&stdres,sizeof(stdres)); } result.close(); tfile.close(); gotoxy(12,1); cout<<"ROLL NO."; gotoxy(22,1); cout<<"NAME"; gotoxy(38,1); cout<<"TOTAL"; int k=3; for(int i=410;i>368;i--) { tfile.open("tfile.dat",ios::in|ios::binary); tfile.read((char*)&temp,sizeof(temp)); while(tfile) { if(temp.total==i) { flag=1; gotoxy(15,k); cout<<temp.roll; gotoxy(22,k); cout<<temp.name; gotoxy(39,k++); cout<<temp.total; k++; } tfile.read((char*)&temp,sizeof(temp)); } tfile.close(); } if(flag==0) { clrscr(); gotoxy(15,20); cout<<"SORRY! No record found."; } gotoxy(80,50); getch(); menu(); } void merit() { // FUNCTION TO GENERATE SECOND MERIT LIST // reverse: clrscr(); int n,c,k=3,flag=0,i; gotoxy(15,2); cout<<"MENU"; gotoxy(15,4); cout<<"1. ENGLISH"; gotoxy(15,5); cout<<"2. MATHEMATICS"; gotoxy(15,6); cout<<"3. PHYSICS"; gotoxy(15,7); cout<<"4. CHEMISTRY"; gotoxy(15,8); cout<<"5. COMPUTER"; gotoxy(15,18); cout<<"Enter your option: "; cin>>n; clrscr(); fstream result; switch(n) { /*english*/ case 1: back1: gotoxy(15,2); cout<<"1. Students with Grade 'A'"; gotoxy(15,3); cout<<"2. Students with Grade 'B'"; gotoxy(15,4); cout<<"3. Students with Grade 'C'"; gotoxy(15,5); cout<<"4. Students with Grade 'E' "; gotoxy(15,7); cout<<"Enter your Option: "; cin>>c; clrscr(); gotoxy(14,1); cout<<"Roll no."; gotoxy(25,1); cout<<"Name"; gotoxy(37,1); cout<<"Class"; gotoxy(45,1); cout<<"Section"; gotoxy(60,1); cout<<"<Marks"; switch(c) { case 1: for(i=100;i>74;i--) { result.open("result.dat",ios::in|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { if(stdres.engmark==i) { flag=1; gotoxy (17,k); cout<<stdres.rollno; gotoxy(25,k); cout<<stdres.name; gotoxy(39,k); cout<<stdres.clas; gotoxy(47,k); cout<<stdres.s; gotoxy(62,k++); cout<<stdres.engmark; k++; } result.read((char*)&stdres,sizeof(stdres)); } result.close(); gotoxy(80,50); } if(flag==0) { gotoxy(20,22); gotoxy(20,22); cout<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 2: for(i=74;i>60;i--) { result.open("result.dat",ios::in|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { if(stdres.engmark==i) { flag=1; gotoxy (17,k); cout<<stdres.rollno; gotoxy(25,k); cout<<stdres.name; gotoxy(39,k); cout<<stdres.clas; gotoxy(47,k); cout<<stdres.s; gotoxy(62,k++); cout<<stdres.engmark; k++; } result.read((char*)&stdres,sizeof(stdres)); } result.close(); } gotoxy(80,50); if(flag==0) { gotoxy(20,22); cout<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 3: for(i=60;i>33;i--) { result.open("result.dat",ios::in|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { if(stdres.engmark==i) { flag=1; gotoxy (17,k); cout<<stdres.rollno; gotoxy(25,k); cout<<stdres.name; gotoxy(39,k); cout<<stdres.clas; gotoxy(47,k); cout<<stdres.s; gotoxy(62,k++); cout<<stdres.engmark; k++; } result.read((char*)&stdres,sizeof(stdres)); } result.close(); } gotoxy(80,50); if(flag==0) { gotoxy(20,22); cout<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 4: for( i=33;i>0;i--) { result.open("result.dat",ios::in|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { if(stdres.engmark==i) { flag=1; gotoxy (17,k); cout<<stdres.rollno; gotoxy(25,k); cout<<stdres.name; gotoxy(39,k); cout<<stdres.clas; gotoxy(47,k); cout<<stdres.s; gotoxy(62,k++); cout<<stdres.engmark; k++; } result.read((char*)&stdres,sizeof(stdres)); } result.close(); } gotoxy(80,50); if(flag==0) { gotoxy(20,22); cout<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; default:clrscr(); gotoxy(25,25); cout<<"Invalid Option."; getch(); goto back1; } menu(); /*mathematics*/ case 2: back2: gotoxy(15,2); cout<<"1. Students with Grade 'A'"; gotoxy(15,3); cout<<"2. Students with Grade 'B'"; gotoxy(15,4); cout<<"3. Students with Grade 'C'"; gotoxy(15,5); cout<<"4. Students with Grade 'E' "; gotoxy(15,7); cout<<"Enter your Option: "; cin>>c; clrscr(); gotoxy(14,1); cout<<"Roll no."; gotoxy(25,1); cout<<"Name"; gotoxy(37,1); cout<<"Class"; gotoxy(45,1); cout<<"Section"; gotoxy(60,1); cout<<"Marks"; switch(c) { case 1: for(i=100;i>74;i--) { result.open("result.dat",ios::in|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { if(stdres.matmark==i) { flag=1; gotoxy (17,k); cout<<stdres.rollno; gotoxy(25,k); cout<<stdres.name; gotoxy(39,k); cout<<stdres.clas; gotoxy(47,k); cout<<stdres.s; gotoxy(62,k++); cout<<stdres.matmark; k++; } result.read((char*)&stdres,sizeof(stdres)); } result.close(); gotoxy(80,50); } if(flag==0) { gotoxy(20,22); gotoxy(20,22); cout<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 2: for(i=74;i>60;i--) { result.open("result.dat",ios::in|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { if(stdres.matmark==i) { flag=1; gotoxy (17,k); cout<<stdres.rollno; gotoxy(25,k); cout<<stdres.name; gotoxy(39,k); cout<<stdres.clas; gotoxy(47,k); cout<<stdres.s; gotoxy(62,k++); cout<<stdres.matmark; k++; } result.read((char*)&stdres,sizeof(stdres)); } result.close(); } gotoxy(80,50); if(flag==0) { gotoxy(20,22); cout<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 3: for(i=60;i>33;i--) { result.open("result.dat",ios::in|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { if(stdres.matmark==i) { flag=1; gotoxy (17,k); cout<<stdres.rollno; gotoxy(25,k); cout<<stdres.name; gotoxy(39,k); cout<<stdres.clas; gotoxy(47,k); cout<<stdres.s; gotoxy(62,k++); cout<<stdres.matmark; k++; } result.read((char*)&stdres,sizeof(stdres)); } result.close(); } gotoxy(80,50); if(flag==0) { gotoxy(20,22); cout<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 4: for( i=33;i>0;i--) { result.open("result.dat",ios::in|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { if(stdres.matmark==i) { flag=1; gotoxy (17,k); cout<<stdres.rollno; gotoxy(25,k); cout<<stdres.name; gotoxy(39,k); cout<<stdres.clas; gotoxy(47,k); cout<<stdres.s; gotoxy(62,k++); cout<<stdres.matmark; k++; } result.read((char*)&stdres,sizeof(stdres)); } result.close(); } gotoxy(80,50); if(flag==0) { gotoxy(20,22); cout<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; default:clrscr(); gotoxy(25,25); cout<<"Invalid Option."; getch(); goto back2; } menu(); /*physics*/ case 3: back3: gotoxy(15,2); cout<<"1. Students with Grade 'A'"; gotoxy(15,3); cout<<"2. Students with Grade 'B'"; gotoxy(15,4); cout<<"3. Students with Grade 'C'"; gotoxy(15,5); cout<<"4. Students with Grade 'E' "; gotoxy(15,7); cout<<"Enter your Option: "; cin>>c; clrscr(); gotoxy(14,1); cout<<"Roll no."; gotoxy(25,1); cout<<"Name"; gotoxy(37,1); cout<<"Class"; gotoxy(45,1); cout<<"Section"; gotoxy(60,1); cout<<"Marks"; switch(c) { case 1: for(i=100;i>74;i--) { result.open("result.dat",ios::in|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { if(stdres.phymark==i) { flag=1; gotoxy (17,k); cout<<stdres.rollno; gotoxy(25,k); cout<<stdres.name; gotoxy(39,k); cout<<stdres.clas; gotoxy(47,k); cout<<stdres.s; gotoxy(62,k++); cout<<stdres.phymark; k++; } result.read((char*)&stdres,sizeof(stdres)); } result.close(); gotoxy(80,50); } if(flag==0) { gotoxy(20,22); gotoxy(20,22); cout<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 2: for(i=74;i>60;i--) { result.open("result.dat",ios::in|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { if(stdres.phymark==i) { flag=1; gotoxy (17,k); cout<<stdres.rollno; gotoxy(25,k); cout<<stdres.name; gotoxy(39,k); cout<<stdres.clas; gotoxy(47,k); cout<<stdres.s; gotoxy(62,k++); cout<<stdres.phymark; k++; } result.read((char*)&stdres,sizeof(stdres)); } result.close(); } gotoxy(80,50); if(flag==0) { gotoxy(20,22); cout<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 3: for(i=60;i>33;i--) { result.open("result.dat",ios::in|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { if(stdres.phymark==i) { flag=1; gotoxy (17,k); cout<<stdres.rollno; gotoxy(25,k); cout<<stdres.name; gotoxy(39,k); cout<<stdres.clas; gotoxy(47,k); cout<<stdres.s; gotoxy(62,k++); cout<<stdres.phymark; k++; } result.read((char*)&stdres,sizeof(stdres)); } result.close(); } gotoxy(80,50); if(flag==0) { gotoxy(20,22); cout<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 4: for( i=33;i>0;i--) { result.open("result.dat",ios::in|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { if(stdres.phymark==i) { flag=1; gotoxy (17,k); cout<<stdres.rollno; gotoxy(25,k); cout<<stdres.name; gotoxy(39,k); cout<<stdres.clas; gotoxy(47,k); cout<<stdres.s; gotoxy(62,k++); cout<<stdres.phymark; k++; } result.read((char*)&stdres,sizeof(stdres)); } result.close(); } gotoxy(80,50); if(flag==0) { gotoxy(20,22); cout<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; default:clrscr(); gotoxy(25,25); cout<<"Invalid Option."; getch(); goto back3; } menu(); /*chemistry*/ case 4: back4: gotoxy(15,2); cout<<"1. Students with Grade 'A'"; gotoxy(15,3); cout<<"2. Students with Grade 'B'"; gotoxy(15,4); cout<<"3. Students with Grade 'C'"; gotoxy(15,5); cout<<"4. Students with Grade 'E' "; gotoxy(15,7); cout<<"Enter your Option: "; cin>>c; clrscr(); gotoxy(14,1); cout<<"Roll no."; gotoxy(25,1); cout<<"Name"; gotoxy(37,1); cout<<"Class"; gotoxy(45,1); cout<<"Section"; gotoxy(60,1); cout<<"Marks"; switch(c) { case 1: for(i=100;i>74;i--) { result.open("result.dat",ios::in|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { if(stdres.chemark==i) { flag=1; gotoxy (17,k); cout<<stdres.rollno; gotoxy(25,k); cout<<stdres.name; gotoxy(39,k); cout<<stdres.clas; gotoxy(47,k); cout<<stdres.s; gotoxy(62,k++); cout<<stdres.chemark; k++; } result.read((char*)&stdres,sizeof(stdres)); } result.close(); gotoxy(80,50); } if(flag==0) { gotoxy(20,22); gotoxy(20,22); cout<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 2: for(i=74;i>60;i--) { result.open("result.dat",ios::in|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { if(stdres.chemark==i) { flag=1; gotoxy (17,k); cout<<stdres.rollno; gotoxy(25,k); cout<<stdres.name; gotoxy(39,k); cout<<stdres.clas; gotoxy(47,k); cout<<stdres.s; gotoxy(62,k++); cout<<stdres.chemark; k++; } result.read((char*)&stdres,sizeof(stdres)); } result.close(); } gotoxy(80,50); if(flag==0) { gotoxy(20,22); cout<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 3: for(i=60;i>33;i--) { result.open("result.dat",ios::in|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { if(stdres.chemark==i) { flag=1; gotoxy (17,k); cout<<stdres.rollno; gotoxy(25,k); cout<<stdres.name; gotoxy(39,k); cout<<stdres.clas; gotoxy(47,k); cout<<stdres.s; gotoxy(62,k++); cout<<stdres.chemark; k++; } result.read((char*)&stdres,sizeof(stdres)); } result.close(); } gotoxy(80,50); if(flag==0) { gotoxy(20,22); cout<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 4: for( i=33;i>0;i--) { result.open("result.dat",ios::in|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { if(stdres.chemark==i) { flag=1; gotoxy (17,k); cout<<stdres.rollno; gotoxy(25,k); cout<<stdres.name; gotoxy(39,k); cout<<stdres.clas; gotoxy(47,k); cout<<stdres.s; gotoxy(62,k++); cout<<stdres.chemark; k++; } result.read((char*)&stdres,sizeof(stdres)); } result.close(); } gotoxy(80,50); if(flag==0) { gotoxy(20,22); cout<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; default:clrscr(); gotoxy(25,25); cout<<"Invalid Option."; getch(); goto back4; } menu(); /*computer*/ case 5: back5: gotoxy(15,2); cout<<"1. Students with Grade 'A'"; gotoxy(15,3); cout<<"2. Students with Grade 'B'"; gotoxy(15,4); cout<<"3. Students with Grade 'C'"; gotoxy(15,5); cout<<"4. Students with Grade 'E' "; gotoxy(15,7); cout<<"Enter your Option: "; cin>>c; clrscr(); gotoxy(14,1); cout<<"Roll no."; gotoxy(25,1); cout<<"Name"; gotoxy(37,1); cout<<"Class"; gotoxy(45,1); cout<<"Section"; gotoxy(60,1); cout<<"Marks"; switch(c) { case 1: for(i=100;i>74;i--) { result.open("result.dat",ios::in|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { if(stdres.commark==i) { flag=1; gotoxy (17,k); cout<<stdres.rollno; gotoxy(25,k); cout<<stdres.name; gotoxy(39,k); cout<<stdres.clas; gotoxy(47,k); cout<<stdres.s; gotoxy(62,k++); cout<<stdres.commark; k++; } result.read((char*)&stdres,sizeof(stdres)); } result.close(); gotoxy(80,50); } if(flag==0) { gotoxy(20,22); gotoxy(20,22); cout<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 2: for(i=74;i>60;i--) { result.open("result.dat",ios::in|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { if(stdres.commark==i) { flag=1; gotoxy (17,k); cout<<stdres.rollno; gotoxy(25,k); cout<<stdres.name; gotoxy(39,k); cout<<stdres.clas; gotoxy(47,k); cout<<stdres.s; gotoxy(62,k++); cout<<stdres.commark; k++; } result.read((char*)&stdres,sizeof(stdres)); } result.close(); } gotoxy(80,50); if(flag==0) { gotoxy(20,22); cout<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 3: for(i=60;i>33;i--) { result.open("result.dat",ios::in|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { if(stdres.commark==i) { flag=1; gotoxy (17,k); cout<<stdres.rollno; gotoxy(25,k); cout<<stdres.name; gotoxy(39,k); cout<<stdres.clas; gotoxy(47,k); cout<<stdres.s; gotoxy(62,k++); cout<<stdres.commark; k++; } result.read((char*)&stdres,sizeof(stdres)); } result.close(); } gotoxy(80,50); if(flag==0) { gotoxy(20,22); cout<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 4: for( i=33;i>0;i--) { result.open("result.dat",ios::in|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { if(stdres.commark==i) { flag=1; gotoxy (17,k); cout<<stdres.rollno; gotoxy(25,k); cout<<stdres.name; gotoxy(39,k); cout<<stdres.clas; gotoxy(47,k); cout<<stdres.s; gotoxy(62,k++); cout<<stdres.commark; k++; } result.read((char*)&stdres,sizeof(stdres)); } result.close(); } gotoxy(80,50); if(flag==0) { gotoxy(20,22); cout<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; default:clrscr(); gotoxy(25,25); cout<<"Invalid Option."; getch(); goto back5; } menu(); default: clrscr(); cout<<"INVALID OPTION"; getch(); menu(); } gotoxy(80,50); } void delet() { // FUNCTION TO DELETE A RESULT ENTRY // clrscr(); student stud; int r,s,flag=0; char t,z; cout<<"Enter the class: "; cin>>s; cout<<"Enter the section: "; cin>>t; cout<<"Enter the roll no."; cin>>r; fstream result,tfile; result.open("result.dat",ios::in|ios::binary); tfile.open("tfile.dat",ios::out|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { if(stdres.clas==s&&stdres.s==t&&stdres.rollno==r) { clrscr(); flag=1; gotoxy(20,20); cout<<"RECORD FOUND AND DELETED."; getch(); } else tfile.write((char*)&stdres,sizeof(stdres)); result.read((char*)&stdres,sizeof(stdres)); } result.close(); tfile.close(); if(flag==0) { clrscr(); gotoxy(25,22); cout<<"RECORD NOT FOUND."; getch(); exit(0); } result.open("result.dat",ios::out|ios::binary); tfile.open("tfile.dat",ios::in|ios::binary); tfile.read((char*)&stdres,sizeof(stdres)); while(tfile) { result.write((char*)&stdres,sizeof(stdres)); tfile.read((char*)&stdres,sizeof(stdres)); } result.close(); tfile.close(); /*DISPLAYING THE RECORDS AFTER DELETION*/ clrscr(); cout<<"New File after Deletion of Record"; getch(); result.open("result.dat",ios::in|ios::binary); result.read((char*)&stdres,sizeof(stdres)); while(result) { clrscr(); int max1=100,max2=70; char ch; cout<<"CLASS:"; gotoxy (16,1); cout<<"SECTION:"; gotoxy(31,1); cout<<"ROLL NO:"; gotoxy(47,1); cout<<"STUDENT'S NAME:"; gotoxy(1,5); cout<<"FATHER NAME:"; gotoxy(45,5); cout<<"CLASS TEACHER:"; gotoxy(1,9); cout<<"S.NO."; gotoxy(15,9); cout<<"SUBJECT"; gotoxy(30,9); cout<<"MARKS"; gotoxy(40,9); cout<<"MAXIMUM MARKS"; gotoxy(70,9); cout<<"GRADE"; gotoxy(3,11); cout<<"1"; gotoxy(15,11); cout<<"ENGLISH"; gotoxy(3,13); cout<<"2"; gotoxy(15,13); cout<<"MATHS"; gotoxy(3,15); cout<<"3"; gotoxy(15,15); cout<<"PHYSICS"; gotoxy(3,17); cout<<"4"; gotoxy(15,17); cout<<"CHEMISTRY"; gotoxy(3,19); cout<<"5"; gotoxy(15,19); cout<<"COMPUTER"; gotoxy(3,25); cout<<"6"; gotoxy(15,25); cout<<"TOTAL"; gotoxy(3,27); cout<<"7"; gotoxy(15,27); cout<<"PERCENTAGE"; gotoxy(8,1); cout<<stdres.clas; /*printing student information*/ gotoxy(25,1); cout<<stdres.s; gotoxy(40,1); cout<<stdres.rollno; gotoxy(63,1); puts(stdres.name); fflush(stdout); gotoxy(14,5); puts(stdres.fatername); fflush(stdout); gotoxy(60,5); puts(stdres.teachname); gotoxy(47,11); /*marks table*/ cout<<"100"; gotoxy(32,11); cout<<stdres.engmark; gotoxy(72,11); cout<<stud.grade(stdres.engmark,max1); gotoxy(47,13); cout<<"100"; gotoxy(32,13); cout<<stdres.matmark; gotoxy(72,13); cout<<stud.grade(stdres.matmark,max1); gotoxy(47,15); cout<<" 70"; gotoxy(32,15); cout<<stdres.phymark; gotoxy(72,15); cout<<stud.grade(stdres.phymark,max2); gotoxy(47,17); cout<<" 70"; gotoxy(32,17); cout<<stdres.chemark; gotoxy(72,17); cout<<stud.grade(stdres.chemark,max2); gotoxy(47,19); cout<<" 70"; gotoxy(32,19); cout<<stdres.commark; gotoxy(72,19); cout<<stud.grade(stdres.commark,max2); gotoxy(47,25); cout<<"410"; gotoxy(31,25); cout<< stud.total(stdres.engmark, stdres.matmark, stdres.phymark, stdres.chemark,stdres.commark); stdres.total = stud.total(stdres.engmark,stdres.matmark, stdres.phymark, stdres.chemark, stdres.commark); gotoxy(32,27); stdres.percentage=stud.percent(stdres.total); cout<<stdres.percentage; gotoxy(80,50); result.read((char*)&stdres,sizeof(stdres)); getch(); } result.close(); menu(); }

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