#include #include #include #include #include #include using namespace std; class student { public: long int reg; char name[80],branch[50]; void input() { cout<<"\n Enter name: "; gets(name); cout<<"\n Enter roll no: "; cin>>reg; fflush(stdin); cout<<"\n Enter Branch: "; gets(branch); } void display() { system("CLS"); cout<<"\t\tDisplay Records"; cout<<"\n"; cout<<"\n Name - "<v; int search_reg(long int reg,int &i); void get_file() { student x; int i=0; fstream f; f.open("College.txt",ios::in); if(f) { f.read((char *) &x,sizeof(class student)); while(!f.eof()) { v.push_back(x); f.read((char *) &x,sizeof(class student)); } } else ; f.close(); } void bubblesort() { int i,j; student x; for(i=0;iv[j+1].reg) { x=v[j]; v[j]=v[j+1]; v[j+1]=x; } } void insert_new() { char ch='y'; int ta; while(ch=='y') { fflush(stdin); student x; x.input(); if(search_reg(x.reg,ta)==0) v.push_back(x); else cout<<"\nTHE REGISTRATION NO. ALREADY EXIST!!!\nCANNOT ADD"; cout<<"\n Press [Y] to enter more: "; cin>>ch; fflush(stdin); } } void write_file() { bubblesort(); fstream f; f.open("College.txt",ios::out); for(int i=0;i &vi) { int i,ta=0; for(i=0;i &vj) { int i,ta=0; for(i=0;ivi; vector vj; long int reg; poi: cout<<"\n1.Press to search reg no." <<"\n2.Press to search name" <<"\n3.Press to search branch"; cin>>ch; switch(ch) { case 1: cout<<"\nEnter reg no.: "; cin>>reg; if(search_reg(reg,i)==1) v[i].display(); else cout<<"\nRecord NOT FOUND!!!"; break; case 2: cout<<"\nEnter name: "; fflush(stdin); gets(name); if(search_name(name,vi)==1) { for(int j=0;j::iterator p=v.begin(); cout<<"\nEnter Reg. no.: "; cin>>reg; if(search_reg(reg,i)==1) { student x=v[i]; cout<<"\nThe following data is being deleted"; x.display(); p+=i; v.erase(p,p+1); } } void edit_data() { int i,j; long int reg; vector vi; cout<<"\nEnter Reg. no.: "; cin>>reg; if(search_reg(reg,i)==1) { cout<<"\nEnter new data:"; fflush(stdin); v[i].input(); } } int main() { int i=1; get_file(); while(i) { system("CLS"); cout<<"\t\t\t-----------------------------------------\n"; cout<<"\t\t\t Simple College Management System\n"; cout<<"\t\t\t-----------------------------------------\n"; cout<<"\n\t\t\tEnter <1> to Add new student" <<"\n\t\t\tEnter <2> to Display all student" <<"\n\t\t\tEnter <3> to Remove student" <<"\n\t\t\tEnter <4> to Edit student" <<"\n\t\t\tEnter <5> to Search student" <<"\n\t\t\tEnter <0> to Exit\n"; cout<<"\n\n\t\t\tEnter Your Choice:"; cin>>i; switch(i) { case 1 : insert_new(); break; case 2 : show(); break; case 3 : delete_data(); break; case 4 : edit_data(); break; case 5 : search_and_show(); break; case 0 : write_file(); break; default : cout<<"\nWRONG CHOICE!!!\nTRY AGAIN"; } } return 0; }

college