C++实现矩阵每行元素平均数计算

```cpp #include <iostream> using namespace std; int main() { int m, n; cin >> m >> n; for (int i = 0; i < m; i++) { int sum = 0; for (int j = 0; j < n; j++) { int num; cin >> num; sum += num; } cout << sum / n << endl; } return 0; } ``` ######[AI问答 | 131点数解答 | 2026-03-14 19:31:50]