文章标题

#include <stdio.h>#include <stdlib.h>int main(){    int j,c1,c2,c3,k;    scanf("请输入三位整数");    c1=j/100;    c2=(j-c2/100)/10;    c3=j%10;    k=c3*100+c2*10+c1;    printf("%d %d\n",j,k);    return 0;}