C++ 编程：乌拉乎在自助餐厅吃到饱的食物编号求解

```cpp #include <iostream> using namespace std; int main() { int n, m; cin >> n >> m; int a; for (int i = 1; i <= n; i++) { cin >> a; if (i % 3 == 0 || i % 7 == 0) { continue; } m -= a; if (m <= 0) { cout << i << endl; return 0; } } cout << -1 << endl; return 0; } ``` ######[AI问答 | 125点数解答 | 2025-12-05 23:31:09]