#include <iostream>

using namespace std;

int main() {
    int n = 0, m = 0;
    cin >> n >> m;
    int k = 0, ans = 1;
    while (n--) {
        int tmp = 0;
        cin >> tmp;
        if (k + tmp <= m) k += tmp;
        else {
            ++ans;
            k = tmp;
        }
    }
    cout << ans;
    return 0;
}

WAon#1

本地跑没问题,但你谷偏说我输出的是3