【LittleXi】OJ数据快速生成输入输出项目

项目背景

OJ很多题需要造数据，每次手动造非常不方便，于是提出了自动生成1.in,1.out文件的需求

源码

#include<iostream>
#include<fstream>
#include<string>
#include<algorithm>
#include<numeric>
#include<vector>
#pragma warning(disable:4996)
using namespace std;
long long __gcd(long long x, long long y) {
    
    
    return y == 0 ? x : __gcd(y, x % y);
}

//输入
vector<int> solve1()
{
    
    
	int a = rand() % 1000 + 1;
	int b = rand() % 1000 + 1;
	int c = rand() % 1000 + 1;
	cout << a << endl;
	cout << b << endl;
	cout << c << endl;
	fclose(stdout);
	return {
    
     a,b,c };
}
//答案
void solve2(int a,int b,int c)
{
    
    
	int d = __gcd(a, b);
	d = __gcd(c, d);
	cout << a * b * c / d;
	fclose(stdout);
}

void generate()
{
    
    
	freopen("1.in", "w", stdout);
	auto v = solve1();
	freopen("1.out", "w", stdout);
	solve2(v[0], v[1], v[2]);

	freopen("2.in", "w", stdout);
	 v = solve1();
	freopen("2.out", "w", stdout);
	solve2(v[0], v[1], v[2]);


	freopen("3.in", "w", stdout);
	 v = solve1();
	freopen("3.out", "w", stdout);
	solve2(v[0], v[1], v[2]);


	freopen("4.in", "w", stdout);
	 v = solve1();
	freopen("4.out", "w", stdout);
	solve2(v[0], v[1], v[2]);


	freopen("5.in", "w", stdout);
	 v = solve1();
	freopen("5.out", "w", stdout);
	solve2(v[0], v[1], v[2]);

	freopen("6.in", "w", stdout);
	 v = solve1();
	freopen("6.out", "w", stdout);
	solve2(v[0], v[1], v[2]);

	freopen("7.in", "w", stdout);
	v = solve1();
	freopen("7.out", "w", stdout);
	solve2(v[0], v[1], v[2]);


	freopen("8.in", "w", stdout);
	v = solve1();
	freopen("8.out", "w", stdout);
	solve2(v[0], v[1], v[2]);


	freopen("9.in", "w", stdout);
	v = solve1();
	freopen("9.out", "w", stdout);
	solve2(v[0], v[1], v[2]);


	freopen("10.in", "w", stdout);
	v = solve1();
	freopen("10.out", "w", stdout);
	solve2(v[0], v[1], v[2]);

	freopen("11.in", "w", stdout);
	v = solve1();
	freopen("11.out", "w", stdout);
	solve2(v[0], v[1], v[2]);

	freopen("12.in", "w", stdout);
	v = solve1();
	freopen("12.out", "w", stdout);
	solve2(v[0], v[1], v[2]);


	freopen("13.in", "w", stdout);
	v = solve1();
	freopen("13.out", "w", stdout);
	solve2(v[0], v[1], v[2]);


	freopen("14.in", "w", stdout);
	v = solve1();
	freopen("14.out", "w", stdout);
	solve2(v[0], v[1], v[2]);


	freopen("15.in", "w", stdout);
	v = solve1();
	freopen("15.out", "w", stdout);
	solve2(v[0], v[1], v[2]);

	freopen("16.in", "w", stdout);
	v = solve1();
	freopen("16.out", "w", stdout);
	solve2(v[0], v[1], v[2]);
}


int main()
{
    
    
	((unsigned)time(NULL));
	generate();
}