40分求调
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40分求调
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wywys楼主2025/7/22 11:34
#include <iostream>
using namespace std;

int n;
const int N = 60;
string s[N];

int main()
{
	cin >> n;
	for(int i = 0; i < n; i ++ ){
		cin >> s[i];
	}
	int k = 0;
	for(int i = 0; i < n; i ++ ){
		for(int j = i + 1; j < n; j ++ ){
			if(s[i] == s[j]) k ++;
		}
	}
	cout << 52 - n + k;
	return 0;
}
2025/7/22 11:34
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