#include<bits/stdc++.h> #define endl '\n' using namespace std; int main(){ string s; getline(cin,s); if(s == "-0" || s == "0") cout << 0; else if(s[0] == '-'){ cout << '-'; s.erase(0,1); //删除- reverse(s.begin(),s.end()); if(s[0] == '0'){ int temp = 0; while(s[temp] == '0') temp++; cout << s.substr(temp); }else cout << s.substr(0); }else { reverse(s.begin(), s.end()); cout << s; } return 0; }
全部评论
(1) 回帖