C++实现输入整数n生成n×n “123...”图案

```cpp #include <iostream> using namespace std; int main() { int n; cin >> n; for (int i = 0; i < n; i++) { for (int j = 1; j <= n; j++) { cout << j; } cout << endl; } return 0; } ``` ######[AI问答 | 79点数解答 | 2025-11-09 19:41:08]