• 顺时针打印矩阵


     1 #include "stdio.h"
     2 #include <iostream> 
     3 using namespace std;
     4 #include "string.h"
     5 #include "stdlib.h"
     6 int num[1001][1001];
     7 typedef struct Lnode
     8 {
     9     int value;
    10     Lnode *next;
    11 };
    12 
    13 int main()
    14 {
    15     int n,i,j,k;
    16     int sum=0,temp,loc;
    17     int m;
    18     int sx,sy,ex,ey;
    19     while(scanf("%d%d",&m,&n)!=EOF)
    20     {    
    21         if (n<1||m<1)
    22         {
    23             continue;
    24         }
    25         for (i=0;i<m;i++)
    26         {
    27             for(j=0;j<n;j++)
    28             {
    29                 scanf("%d",&num[i][j]);
    30             }
    31         }
    32         sx=sy=0;
    33         ex=sx+n-1;
    34         ey=sy+m-1;
    35     
    36 
    37         while(sx<=ex&&sy<=ey)
    38         {
    39 
    40                 for (i=sx;i<=ex;i++)
    41                 {
    42                     printf("%d ",num[sy][i]);
    43                 }
    44                 for (i=sy+1;i<=ey;i++)
    45                 {
    46                     printf("%d ",num[i][ex]);
    47                 }
    48                 if(ey-sy>0)              //1,2
    49                 {
    50                     for (i=ex-1;i>=sx;i--)
    51                     {
    52                         printf("%d ",num[ey][i]);
    53                     }
    54                 }
    55                 if(ex-sx>0)                        //1
    56                     for (i=ey-1;i>=sy+1;i--)              //2
    57                     {
    58                         printf("%d ",num[i][sx]);
    59                     }
    60             sx++;
    61             sy++;
    62             ex--;
    63             ey--;
    64         }
    65         printf("
    ");
    66     }
    67     
    68     return 0;
    69 }
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  • 原文地址:https://www.cnblogs.com/friends-wf/p/4005149.html
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