何 意 味

#include<bits/stdc++.h>
#include<windows.h>
using namespace std;
typedef long long ll;
const int N=5e5+5;
int main()
{
	srand(static_cast<unsigned int>(time(0)));
	while(1)
	{
		system("color E0");
		system("cls");
		ll x=rand(),y=rand();
		cout<<x<<"+"<<y<<endl;
		ll z;
		cin>>z;
		if(abs(x+y-z)>0 && abs(x+y-z)<=10)
		{
			system("color 17");
			cout<<"你 线 蓝 了"<<endl;
			Sleep(2000);
		}
		else if(x+y!=z)
		{
			system("color 70");
			cout<<"你 线 白 了"<<endl;
			Sleep(2000);
		}
	}
	return 0;
}