Question

Write a program to find the sum of 20 numbers

Answer 1

#include <stdio.h>

int main() {

int n, i, sum = 0;

printf("Enter a positive integer: ");

scanf("%d", &n);

for (i = 1; i <= n; ++i) {

sum += i;

}

printf("Sum = %d", sum);

return 0;

}