二维数组交换行和列

 1 #include<stdio.h>
 2 int main()
 3 {
 4     int a[2][3] = { 1, 2, 3, 4, 5, 6 };            //定义数组
 5     int b[3][2],j,k;
 6     for (j = 0; j <= 1;j++)                        //循环交换
 7     {
 8         for (k = 0; k <= 2;k++)
 9         {
10             b[k][j] = a[j][k];                    //把行和列交换
11         }
12     }
13     for (j = 0; j <= 2; j++)                    //输出
14     {
15         for (k = 0; k <= 1;k++)
16         {
17             printf("%d", b[j][k]);
18         }
19         printf("\n");
20     }
21 
22     return 0;
23 }