#include #include#include#define N 50 //班级人数void main(){ int n; srand(time(0)); //获取当前时间作为种子,保证每次产生随机数的种子不同 n=rand()%N; printf("\n\n你被选中啦:\n"); printf(">%3d号\n\n\n",n); system("pause");}