知识点:
复合类型:
二维数组。
#include <iostream> using namespace std; int main() { int n, m; cin >> n >> m; int arr[n][m]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { cin >> arr[i][j]; } } for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { cout << arr[i][j] << " "; } cout << endl; } return 0; }