Run ID:150997
提交时间:2026-04-02 17:26:24
#include<bits/stdc++.h> using namespace std; int main(){ int T; cin>>T; cin.ignore(); while(T--){ string s; cin>>s; for(int i=0;i<s.size();i+=z){ ans+=s[i+1]; ans+=s[i]; } cout<<ans<<endl; } return 0; }