Submission

Score: 100

User: theem1502

Problemset: ผลรวมตัวเลข

Language: c

Time: 0.001 second

Submitted On: 2025-09-11 20:07:25

#include <stdio.h>
int main(){
int n, m;
scanf("%d %d", &n, &m);
int firstsum =0;
for (int i = 0; i < n; i++) {
    if (i % 2  == 0|| i % 3 == 0) {
        firstsum += i;
    }
}

int secondsum = 0;
for (int i = 0; i < m; i++) {
    if (i % 2 == 0|| i % 3 == 0) {
        secondsum += i;

    }
}
printf("%d", secondsum - firstsum);
}