#include "stdio.h"

void main()

{

int a[5][6]={1,3,4,2,5,2,

2,3,6,3,8,3,

2,9,7,9,4,8,

6,3,8,1,9,3,

9,3,5,2,8,5,};

int s90[6][5],ni90[6][5],x180[5][6];

int i,j;

printf("順時針旋轉90度矩陣為：\n");

for(i=0;i

{

for(j=0;j

{

s90[i][j]=a[4-j][i];

printf("%2d%",s90[i][j]);

}

printf("\n");

}

printf("逆時針旋轉90度矩陣為：\n");

for(i=0;i

{

for(j=0;j

{

s90[i][j]=a[j][5-i];

printf("%2d%",s90[i][j]);

}

printf("\n");

}

printf("旋轉180度矩陣為：\n");

for(i=0;i

{

for(j=0;j

{

s90[i][j]=a[4-i][5-j];

printf("%2d%",s90[i][j]);

}

printf("\n");

}

}