Submission

Score: 0

User: vern6767

Problemset: ผลรวมตัวเลข

Language: cpp

Time: 0.002 second

Submitted On: 2026-09-21 10:30:04

#include <iostream>
using namespace std;

int main() {
    int n, m, output;
    std::cin >> n;
    std::cin >> m;

    bool c1, c2, c3 = false;
    if ((m%3 == 0) && !(m%2 == 0)) { 
        c1 = true;
    } else if ((m%2 == 0) || (m%3 == 0)) {
        c2 = true;
    } else {
        c3 = true;
    }

    for (int i = n; i < m; i++) {
        if (c1 == true && i%3 == 0) {
            output += i;
        } else if (c2 == true && (i%2 == 0 || i%3 == 0)) {
            output += i;
        } else if (c3 == true) {
            output += i;
        }
    }
    std::cout << output;
        
    return 0;
}