Submission #36411783

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Source Code Expand

#include<iostream>
#include<string>
#include<algorithm>
#include<vector>
using namespace std;
int main()
{
	int n;
	cin >> n;
	string s1 = "HDCS", s2 = "A23456789TJQK";
	vector<string> book;
	for (int i = 1; i <= n; ++i)
	{
		string s;
		cin >> s;
		if (s.length() != 2 || s1.find(s[0]) == s1.npos || s2.find(s[1]) == s2.npos)
		{
			cout << "No";
			return 0;
		}
		book.emplace_back(s);
	}
	sort(book.begin(), book.end());
	if (unique(book.begin(), book.end()) != book.end())
	{
		cout << "No";
		return 0;
	}
	cout << "Yes";
	return 0;
}

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