Sum the integers from 1 to a user-specified number : int Calculation « Data Type « C Tutorial

1. C Tutorial
2. Data Type
3. int Calculation

#include <stdio.h>

int main(void)
{
  long sum = 0L;
  int count = 100;

  for(int i = 1 ; i <= count ; i++){
    sum += i;
  }  

  printf("\nTotal of the first %d numbers is %ld\n", count, sum);
  return 0;
}

Total of the first 100 numbers is 5050