A361.字符串的剥离重组

#include <iostream> using namespace std; int main() { string s; string s1,s2; cin>>s; for(int i=0;i<s.size();i++) { if(i%2==0) { s1=s1+s[i]; } else { s2=s2+s[i]; } } if(s2>s1) { cout<<s2<<s1; } else if(s2<s1) { cout<<s1<<s2; } return 0; }