王曙燕《c语言程序设计》习题6.10

# include "stdio.h"
# include "math.h"
# define N 4
int main(void)
{
  int d[N][N],i,j,t,k,q=0;
  printf("请输入%d*%d阶矩阵：\n",N,N);
  for(i=0;i
   for(j=0;j
     scanf("%d",&d[i][j]);
  for(i=0;i
  {
   k=d[0][i];
   for(j=0;j
     if(abs(k)
     {
       k=d[j][i];
       q=j;
     }
   t=d[q][i];
   d[q][i]=d[q][N-1-i];
   d[q][N-1-i]=t;
  }
  printf("改变后的矩阵为：\n");
  for(i=0;i
  {
   for(j=0;j
     printf("%-6d",d[i][j]);
   printf("\n");
  }
}