data.cpp

#include <iostream>
#include<cstdio>
#include<cstdlib>
#include<ctime>
using namespace std;
int n, w; 
int ai;
int main(int argc, char *argv[])
{
	int t = 10;
	if(argc > 1)
	{
		t = atoi(argv[1]);
	}
	
	srand(time(0) + t);
	n = rand() % 16 + 5;
	w = rand() % 49  + 30;
	cout << n << " " << w << endl;
	for(int i = 1; i <= n; i++)
	{
		ai = rand() % 600;
		cout << ai << " ";
	}
	cout << endl;
	return 0;
}

pai.cpp

#include <iostream>
#include<cstdio>
#include<cstdlib>
using namespace std;

int main()
{
	//1.compile 3 files
	system("g++ brust.cpp -o brust -O2");
	system("g++ opt.cpp -o opt -O2");
	system("g++ data.cpp -o data -O2");
	//2. make .in .ans .out
	int n = 1000;
	for(int i = 1;i <= n; i++)
	{
		char s[100];
		sprintf(s, "data %d > pai.in", i);
		system(s);
		system("brust < pai.in > pai.ans");
		system("opt < pai.in > pai.out");
		if(system("fc pai.ans pai.out > null") == 0)
		{
			cout << i << " AC!" << endl;
		}
		else
		{
			cout << i << " WA!" << endl;
			break;
		}
	}
	return 0;
}