Submission

Score: 0

User: vern6767

Problemset: ผลรวมตัวเลข

Language: cpp

Time: 0.004 second

Submitted On: 2026-09-21 11:17:58

#include <iostream>
using namespace std;

int main() {
    int n = 0;
    int a[3] = {0, 1, 1};
    cin >> n;

    for (int i = 1; i < n; i++) {
        a[2] = a[0] + a[1];
        a[0] = a[1];
        a[1] = a[2];
    }

    cout << a[2];
    return 0;
}