text: /*Exercise 3 - Repetition
  
  Write a C program to calculate the sum of the numbers from 1 to n.
  Where n is a keyboard input.
  
  e.g.
  
  n -> 100
  sum = 1+2+3+....+ 99+100 = 5050
  
  n -> 1-
  sum = 1+2+3+...+10 = 55 */
  
  #include <stdio.h>
  int main() {
  
      int n,x,sum=0;
      printf("enter your number");
      scanf("%d",&n);
    for (x=1;x<=n;++x){
       sum+=x;
   }
      printf("total=%d",sum);
    return 0;
  }
  
  