由于行、列不确定,所以要动态处理。举例代码如下:
//#include "stdafx.h"//If the vc++6.0, with this line.
#include "stdio.h"
#include "stdlib.h"
int main(void){
int **a,**b,m,n,i,j;
while(1){//保证输入的行、列数为正数
printf("Please enter m & n(int m>0,n>0)...\n");
if(scanf("%d%d",&m,&n),m>0 && n>0)
break;
printf("Error, redo: ");
}
a=(int **)malloc((j=sizeof(int))*m);
b=(int **)malloc(j*n);
if(a==NULL || b==NULL){
printf("Application memory failure...\n");
exit(0);
}
for(i=0;i<m;i++)
if((a[i]=(int *)malloc(j*n))==NULL){
printf("Failed to create the array...\n");
exit(0);
}
for(i=0;i<n;i++)
if((b[i]=(int *)malloc(j*m))==NULL){
printf("Failed to create the array...\n");
exit(0);
}
for(i=0;i<m;i++)
for(j=0;j<n;scanf("%d",a[i]+j++));
printf("\n");
for(i=0;i<n;i++){
for(j=0;j<m;j++)
printf("%d ",b[i][j]=a[j][i]);//a的行、列互换后存入b
printf("\n");
}
for(i=0;i<m;free(a[i++]));
free(a);
for(i=0;i<n;free(b[i++]));
free(b);
return 0;
}