This program will Output : 1+2+3+4+…………………………….+100

#include<stdio.h>

#include<conio.h>

void main()

{ clrscr();

  int s,i;

  printf("Enter value=");

  scanf("%d",&s);

  i=1;

  while(i<=100)

  { s=s+i;

  i=i+1;

  }

  printf("Result=%d",s);

  getch();

}