建议升黄

terminate called after throwing an instance of 'std::out_of_range'
what():  basic_string::substr: __pos (which is 30) > this->size() (which is 13)

#include <bits/stdc++.h>
#define int long long
using namespace std;
const int N=1e6+5;
string a[N];
int tmp[N];
signed main()
{
	int t,n,m;
	cin>>t;
	cin>>n>>m;
	for(int i=1;i<=m;i++)cin>>a[i];
	for(int i=1;i<=n;i++)
	{
		tmp[1]=0;
		tmp[2]=0;
		tmp[3]=0;
		for(int j=1;j<=m;j++)
		{
			string res=a[j];
			string man_1="freopen(\""+res+".in\",\"r\",stdin);";
			string man_2="freopen(\""+res+".out\",\"w\",stdout);";
			string man_3,man_4;
			cin>>man_3>>man_4;
			string man_sub_1,man_sub1_1,man_sub_2,man_sub1_2;
			if(man_3.size()>12)
			{
				man_sub_1=man_3.substr(0,10);
				man_sub1_1=man_3.substr(man_3.size()-2,2);
			}
			if(man_4.size()>12)
			{
				man_sub_2=man_4.substr(0,10);
				man_sub1_2=man_4.substr(man_4.size()-2,2);
			}
			if(man_1==man_3&&man_2==man_4)
			{
				tmp[1]++;
			}
			else if((man_sub_1=="//freopen("&&man_sub1_1==");")||(man_sub_2=="//freopen("&&man_sub1_2==");"))
			{
				tmp[2]++;
			}
			else 
			{
				tmp[3]++;
			}
		}
		if(tmp[1]==m)cout<<"PION2202 RP++.\n";
		else if(tmp[2]>0)cout<<"Wrong file operation takes you to your ancestors along with your 3 years' efforts on OI.\n";
		else cout<<"Good luck and have fun.\n";
	}
	return 0;
}