the GEEK

  #include<iostream.h> #include<conio.h> void main() {        clrscr();        int a,b,c;        cout<<"\n enter a=";        cin>>a;        cout<<"\n enter b=";        cin>>b;        c=a*b;        cout<<"\n  multiplication="<<c;        getch();  } OUTPUT  enter a=5  enter b=2  multiplication=10

#include<iostream.h> #include<conio.h> int operate(int a,int b) {   return(a*b); } float operate(float c,float d) {   return(c/d); } void main() {clrscr(); int a,b; float m,n; cout<<"enter a and b  "; cin>>a>>b; cout<<operate(a,b); cout<<"\n"; cout<<"enter m and n  "; cin>>m>>n; cout<<operate(m,n); getch(); } OUT PUT enter a and b  45 47 2115 enter m and n  45 47 0.957447

#include<iostream.h> #include<conio.h> void main() { clrscr(); longint a=0,b=1,c,n; cout<<"enter any limit="; cin>>n; cout<<a<<" " <<b<<" "; for(int i=3;i<=n;i++) {c=a+b; cout<<c<<" "; a=b; b=c; } getch(); } OUTPUT enter any limit=20 0 1 1 2 3 5 8 13 21 34 55 89 144 233 377 610 987 1597 2584