摘要: A - Swap Odd and Even #include<bits/stdc++.h> using namespace std; int32_t main(){ string s; cin >> s; for( int i = 0 ; i + 1 < s.size() ; i += 2 ) sw 阅读全文
posted @ 2023-03-19 21:11 PHarr 阅读(14) 评论(0) 推荐(0) 编辑