矩阵交换

#include<stdio.h>
int main()
{
    int n = 0;//行
    int m = 0;//列
    int arr[10][10] = { 0 };//原数组
    int arr1[10][10] = { 0 };//变换存储在中间数组
    int k = 0;//操作次数
    char t[5] = { '0' };//操作指令数组r c
    int a[5] = { 0 };
    int b[5] = { 0 };
    scanf("%d%d", &n, &m);//获取行和列
    for (int i = 0; i < n; i++)//获取原矩阵
        for (int j = 0; j < m; j++)
        {
            scanf("%d", &arr[i][j]);
            arr1[i][j] = arr[i][j];//并将原矩阵数据给中间矩阵
        }
    scanf("%d", &k);//获取操作次数
    for (int i = 0; i < k; i++)

    {
        scanf(" %c",&t[i]);//获取操作指令
        scanf("%d %d", &a[i], &b[i]);
    }
    for (int w = 0; w < k; w++)//进行k次操作
    {
        if (t[w] == 'r')//操作指令为r，就进行换行操作
        {
            for (int i = 0; i < n; i++)
            {
                for (int j = 0; j < m; j++)
                {
                    if (i == a[w] - 1)//原来a行数据交换成b行的数据
                    {
                        arr1[i][j] = arr[b[w] - 1][j];
                    }
                    else if (i == b[w] - 1)//原来b行数据交换成a行的数据
                    {
                        arr1[i][j] = arr[a[w] - 1][j];
                    }
                    else
                    {
                        arr1[i][j] = arr[i][j];//其他没动的地方不操作
                    }
                }
            }
            for (int i = 0; i < n; i++)//操作完后将中间矩阵arr1中数据更新给arr
            {
                for (int j = 0; j < m; j++)
                {
                    arr[i][j] = arr1[i][j];
                }
            }
        }

        else if (t[w] == 'c')//操作指令为c，就进行换列操作
        {
            for (int i = 0; i < n; i++)
            {
                for (int j = 0; j < m; j++)
                {
                    if (j == a[w] - 1)
                    {
                        arr1[i][j] = arr[i][b[w] - 1];
                    }
                    else if (j == b[w] - 1)
                    {
                        arr1[i][j] = arr[i][a[w] - 1];
                    }
                    else
                    {
                        arr[i][j] = arr1[i][j];
                    }
                }

            }
            for (int i = 0; i < n; i++)
            {
                for (int j = 0; j < m; j++)
                {
                    arr[i][j] = arr1[i][j];
                }
            }
        }

    }
    for (int i = 0; i < n; i++)//打印中间矩阵arr1或者原矩阵arr的数据都可
    {
        for (int j = 0; j < m; j++)
        {
            printf("%d ", arr1[i][j]);
        }
        printf("\n");//打印一行就换行
    }
    return 0;
}