最简单随机生成数（文件输入输出）

 

#include <iostream>#include <cstdlib>#include <ctime>#include <fstream>using namespace std;int  main(){  ofstream out ("D:\zhang\\output.txt");   int n=1000;    srand((unsigned)time(NULL));    int x;    while(n-->0)out<<' '<<rand()%10;}