View Code of Problem 97

#include<iostream>
#include<algorithm>
using namespace std;
//想到这种方法太牛逼了 佩服大佬 
int main() {
	int n;
	while(cin>>n) {
		if(n==0) break;
		string file[n], str;
		for(int i=0; i<n; i++) cin>>file[i];
		sort(file,n+file);
		for(int i=0; i<n-1; i++) {
			str=file[i]+".exe";
			if(str==file[i+1]) cout<<str<<endl;
		}
	}
} 

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