Run ID Author Problem Lang Verdict Time Memory Code Length Submit Time
45538 徐若宸 新数 C++ Accepted 0 MS 248 KB 171 2024-04-14 20:39:45

Tests(1/1):

#include<bits/stdc++.h> using namespace std; int main(){ string n; cin>>n; if(prev_permutation(n.begin(),n.end())&&n[0]!=0){ cout<<n; } else cout<<"-1"; }

Judgement Protocol: