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_1[n][m];
int arr_2[m][n];
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
cin >> arr_1[i][j];
arr_2[j][i] = arr_1[i][j];
}
}
for (int i = 0; i < m; i++) {
for (int j = 0; j < n; j++) {
cout << arr_2[i][j] << " ";
}
cout << endl;
}
}



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