C语言面试题之二——程序阅读题

#include <stdio.h>int main(void){int j,k,n,temp, a[6][6];puts("Input a Num:");scanf("%d",&n);for(k=0; k<n; k++)for(j=0; j<n; j++)a[k][j] = j+k*n;for(k=0; k<n; k++){for(j=0; j<n; j++)printf("%d ",a[k][j]);printf("\n");}for(k=0; k<n; k++)for(j=0; j<n/2; j++){temp = a[n-j-1][k];a[n-j-1][k] = a[k][j];a[k][j] = temp;}for(k=0; k<n; k++){for(j=0; j<n; j++)printf("%d ",a[k][j]);printf("#\n");}return 0;}/*Input a Num:30 1 23 4 56 7 86 1 2 #7 4 5 #8 3 0 #请按任意键继续. . .*/