写一个函数,使给定的一个二维数组3*4进行行列转置,即行列互换,并输出转 ...答:include "stdio.h"void main(){ int a[3][4] = {{1,2,3,4},{5,6,7,8},{9,0,1,2}};int b[4][3];int i, j;printf("before transform :\n");for(i=0; i<3; i++){ for(j=0; j<4; j++){ b[j][i] = a[i][j];printf("%4d", a[i][j]);} printf("...