随机数据测试生成

#include <iostream>
#include <algorithm>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <set>
#include <fstream>
#include <stack>
#define MAX 1005
using namespace std;

string transfer(int t) {
    stack<int> v;
    while(t) {
        v.push(t%10);
        t /= 10;
    }
    string rec;
    while(!v.empty()) {
        rec += (v.top() + '0');
        v.pop();
    }
    return rec;
}

int main() {
    int n; int t = 100;
    for(int k=1;k<=t;k++) {
        n = rand() % 1000;
        string tmp1 = "" + transfer(k) + ".in";
        ofstream in1(tmp1.c_str());
        in1 << n << endl;
        int a[MAX];
        set<int> v;
        srand((unsigned)time(NULL));
        for(int i=0;i<n;i++) {
            a[i] = rand() % 1000;
            while(v.count(a[i])!=0) {
                a[i] = rand() % 1000;
            }
            in1 << a[i] << " ";
        }
        in1.close();
        sort(a,a+n);
        string tmp2 = "" + transfer(k) + ".out";
        ofstream in2(tmp2.c_str());
        for(int i=0;i<n;i++) in2 << a[i] << " ";
        in2.close();
    }
    return 0;
}