[C언어 #9] 1 부터 100 까지의 합

C언어 1 부터 100 까지의 합

 

 

Sum of integers from 1 to 100 - while

/* Add integers from 1 to 100 */
#include <stdio.h>
 
int main() {
    int sum = 0;
    int num = 0;
    int flag = 1;
    while (flag) {
        num++;
        if (num > 100) break;
        sum += num;
    }
    printf("Sum of integers from 1 to 100 is %d\n", sum);
    return 0;
}

 

 

Sum of integers from 1 to 100 - for

/* Add integers from 1 to 100 */
#include <stdio.h>
 
int main() {
    int sum = 0;
    for (int i=1; i<=100; i++) {
        sum += i;
    }
    printf("Sum of integers from 1 to 100 is %d\n", sum);
    return 0;
}