二维数组最大值

# include "stdio.h"
# define N 3
# define M 4
int max(int b[N][M])
{
  int i,j,t;
  t=b[0][0];
  for(i=0;i
   for(j=0;j
     if(t
       t=b[i][j];
  return(t);
}

int main(void)
{
  int a[N][M],i,j,t;
  printf("请输入%d*%d矩阵：\n",N,M);
  for(i=0;i
   for(j=0;j
     scanf("%d",&a[i][j]);
  t=max(a);
  printf("最大值为：%d\n",t);
}