C Program to Calculate the Sum of Natural Numbers

byAjay Kadtan •
0
Program:
#include<stdio.h>
main()
{
  int i,n,sum=0;
  printf("Enter a number: ");
  scanf("%d",&n);
  for(i=0;i<=n;i++)
  {
    sum=sum+i;
  }
  printf("%d",sum);
}
Output:
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