程序代码：

#include<stdio.h>


void maxi(int [][5],int n);
int main(void)
{
    int ch[4][5];
    
    int i,j;
    
    for(i = 0; i < 4; i++)
        {
            for(j = 0; j < 5; j++)
            scanf("%d",&ch[i][j]);
        }
    
    maxi(ch,4);
    
    return 0;
    
}

void maxi(int ch[][5],int n)
{
    int i,j;
    int max = ch[0][0];
    int ch1[3];
    
    for(i = 0; i < 4; i++){
          for(j = 0; j < 5; j++)
          
          if(ch[i][j] > max)
            max = ch[i][j];
            ch1[i] = max;
            printf("%d",ch1[i]);
            putchar('\n');
    }
    
      
}

程序代码：

#include<stdio.h>
#define m 4
#define n 5
int main()
{
    int a[m][n];
    int b[m];
    int max; 
    for(int i=0;i<m;i++)
    {
        for(int j=0;j<n-1;j++)
        {
            scanf("%d",&a[i][j]);
        }
    }
    for(int i=0;i<m;i++)
    {
        for(int j=0;j<n-1;j++)
        {
            if(a[i][j]>a[i][j+1])
            {
                max=a[i][j];
                a[i][j]=a[i][j+1];
                a[i][j+1]=max;
            }
            else
                max=a[i][j+1];
        }
        b[i]=max;
        printf("%d",b[i]);
    }
    return 0;
}

程序代码：

#include<stdio.h>
#define SA sizeof (a)
#define SB sizeof (a[0])
#define SC sizeof (int)
int main()
{
    int a[4][5];

    int b[SA/SB]={0};

    int *p=a[0];

    for (;p<a[0]+SA/SC;++p)
        scanf("%d",p);

    for (p=a[0];p<a[0]+SA/SC;++p)
    {
        if ((p-a[0])%(SB/SC)==0)
            b[(p-a[0])/(SB/SC)]=*p;
        else
            b[(p-a[0])/(SB/SC)]=b[(p-a[0])/(SB/SC)]>*p?b[(p-a[0])/(SB/SC)]:*p;
    }

    for (p=b;p<b+SA/SB;++p)
        printf("%d ",*p);

    printf("\n");

    return 0;
}