输出一个螺旋方阵 C语言

港控/mmm° 2022-09-15 05:47 203阅读 0赞

###  **顺时针：** ###

int main(){
        int a[10][10],i,j,k=0,m,n;
        printf("Enter n(n<10)：");
        scanf("%d",&n);
        if(n%2==0) m=m/2;
        else m=m/2+1;
        
        for(i=0;i<m;i++){
           for(j=i;j<n-i;j++){
               k++; a[i][j]=k;
           }
           for(j=i+1;j<n-i;j++){
               k++; a[j][n-i-1]=k;
           }
           for(j=n-i-2;j>=i;j--){
               k++; a[n-i-1][j]=k;
           }
           for(j=n-i-2;j>=i+1;j--){
               k++; a[j][i]=k;
           }
        }
        for(i=0;i<n;i++){
            for(j=0;j<n;j++){
               printf("%5d",a[i][j]);
            }
            printf("\n");
        }
        return 0;
    }

![20211009201030325.png][]

![watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAUGxlYXNlIFNpdCBEb3du_size_7_color_FFFFFF_t_70_g_se_x_16][]

### **逆时针：** ###

int main(){
        int a[10][10],i,j,k=0,m,n;
        printf("Enter n(n<10)：");
        scanf("%d",&n);
        if(n%2==0) m=m/2;
        else m=m/2+1;
        
        for(i=0;i<m;i++){
           for(j=i;j<n-i;j++){
               k++; a[j][i]=k;
           }
           for(j=i+1;j<n-i;j++){
               k++; a[n-i-1][j]=k;
           }
           for(j=n-i-2;j>=i;j--){
               k++; a[j][n-i-1]=k;
           }
           for(j=n-i-2;j>=i+1;j--){
               k++; a[i][j]=k;
           }
        }
    
        for(i=0;i<n;i++){
            for(j=0;j<n;j++){
               printf("%5d",a[i][j]);
            }
            printf("\n");
        }
        return 0;
    }

![20211009203108643.png][]

![watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAUGxlYXNlIFNpdCBEb3du_size_7_color_FFFFFF_t_70_g_se_x_16 1][]

[20211009201030325.png]: /images/20220828/53e6f7aa89ab4d7982d98f550597023f.png
[watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAUGxlYXNlIFNpdCBEb3du_size_7_color_FFFFFF_t_70_g_se_x_16]: /images/20220828/35cf5fcaf3964b3f97bb6b123f8f2991.png
[20211009203108643.png]: /images/20220828/49ecca3a977e450cbb024858eb7ca04c.png
[watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAUGxlYXNlIFNpdCBEb3du_size_7_color_FFFFFF_t_70_g_se_x_16 1]: /images/20220828/debaedc340e9493f803ac59acca798fd.png