ans

wangruihao 2023-11-18 14:22:25 6 返回题目

#include<bits/stdc++.h>

#define int long long

using namespace std;

string s[30];

bool cmp(string x,string y){return (x+y)>(y+x);}

signed main(){

int n;

cin>>n;

for(int i=1;i<=n;i++) cin>>s[i];

sort(s+1,s+1+n,cmp);

for(int i=1;i<=n;i++) cout<<s[i];

return 0;

}

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