二维数组转置

#include <stdio.h>
#include <stdlib.h>



void main() {
	int a[3][4] = { {1,2,3,0},{4,5,0,13},{6,7,8} };
	int b[4][3];

	for (int i = 0; i < 3; i++) {
		for (int j = 0; j < 4; j++) {

			printf("%3d", a[i][j]);
		}
		printf("\n");
	}
	printf("\n");
	printf("\n");

	for (int i = 0; i < 4; i++) {
		for (int j = 0; j < 3; j++) {
			//printf("%3d",b[i][j] = a[j][i]);	顺时针
			printf("%3d", b[3-i][2-j] = a[j][i]);

		}
		printf("\n");
	}
	printf("\n");
	printf("\n");
	for (int i = 0; i < 4; i++) {
		for (int j = 0; j < 3; j++) {
			//printf("%3d",b[i][j] = a[j][i]);	顺时针
			printf("%3d", b[3 - i][2 - j] = a[2-j][3-i]);

		}
		printf("\n");
	}


	system("pause");
}