一3*3的二维整型数组,在主函数中输入,定义一个函数,使二维整型数组转置,在主函数中输出
时间: 2023-12-06 15:04:50 浏览: 38
以下是一个示例代码:
```c++
#include <iostream>
using namespace std;
void transpose(int arr[][3], int n) { // 定义转置函数
for (int i = 0; i < n; i++) {
for (int j = i+1; j < n; j++) {
int temp = arr[i][j];
arr[i][j] = arr[j][i];
arr[j][i] = temp;
}
}
}
int main() {
int arr[3][3];
cout << "请输入一个3*3的二维整型数组:" << endl;
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
cin >> arr[i][j];
}
}
cout << "转置前的数组:" << endl;
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
cout << arr[i][j] << " ";
}
cout << endl;
}
transpose(arr, 3);
cout << "转置后的数组:" << endl;
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
cout << arr[i][j] << " ";
}
cout << endl;
}
return 0;
}
```
示例输出:
```
请输入一个3*3的二维整型数组:
1 2 3
4 5 6
7 8 9
转置前的数组:
1 2 3
4 5 6
7 8 9
转置后的数组:
1 4 7
2 5 8
3 6 9
```