转为string 做
数字颠倒
http://www.nowcoder.com/questionTerminal/ae809795fca34687a48b172186e3dafe
#include<iostream> #include<string> #include<algorithm> using namespace std; int main() { string str; int a; cin>>a; str=to_string(a); reverse(str.begin(),str.end()); cout<<str<<endl; return 0; }