CODE EXAMPLE FOR CPP

Password codechef solution in c++

#include<iostream>
#define ll long long
#include<vector>
#include<climits>
#include<string>
#include<algorithm>
using namespace std;

void solve()
{
	string pass;
	cin >> pass;
	if (pass.length() < 10)
	{
		cout << "NO
";
	}
	else
	{
		ll l, u, d, sp;
		l = u = d = sp = 0;
		for (ll i = 0; i < pass.length(); i++)
		{
			if (pass[i] >= 97 && pass[i] <= 122)
			{
				l++;
			}
			if (i > 0 && i < pass.length() - 1)
			{
				if (pass[i] >= '0' && pass[i] <= '9')
					d++;
				if (pass[i] >= 65 && pass[i] <= 90)
					u++;
				if (pass[i] == '@' || pass[i] == '#' || pass[i] == '%' || pass[i] == '&' || pass[i] == '?')
					sp++;
			}
		}
		if (l > 0 && u > 0 && d > 0 && sp > 0)
		{
			cout << "YES
";
		}
		else
		{
			cout << "NO
";
		}
	}
}

int main()
{

	int t;
	cin >> t;
	while (t--)
	{
		solve();
	}
	
	return 0;
}