巧用抽样称重法，C++ 程序算出整箱橘子重量！

```cpp #include <iostream> #include <iomanip> using namespace std; int main() { int m, n; cin >> m >> n; double totalWeight = 0; double weight; for (int i = 0; i < n; i++) { cin >> weight; totalWeight += weight; } double averageWeight = totalWeight / n; double boxWeight = averageWeight * m; cout << fixed << setprecision(1) << boxWeight << endl; return 0; } ``` ######[AI问答 | 135点数解答 | 2025-12-13 20:29:50]