Discurs (7)

#include <bits/stdc++.h>
using namespace std;

signed main() {
    int n, m, c;
    cin >> n >> m >> c;
    int sum = 0, ans = n;
    for (int x, i = 1; i <= n; i++) {
        cin >> x;
        if (sum + x <= m * c) {
            sum += x;
        } else {
            ans = i;
            break;
        }
    }

    cout << ans << endl;
    return 0;
}