题解 | #拼接所有的字符串产生字典序最小的字符串#
拼接所有的字符串产生字典序最小的字符串
https://www.nowcoder.com/practice/d5d1a56491384b2486480730f78f6da2
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; vector<string> vec; for (int i=0;i<n;i++) { string str; cin >> str; vec.push_back(str); } stable_sort(vec.begin(),vec.end(),[](const string &a,const string &b){return (a+b<b+a);}); for (auto it : vec) { cout << it; } }