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Galactictrajectory楼主2024/9/2 15:26

代码:

#include <bits/stdc++.h>
using namespace std;
int main(){
   	string s;
   	int len;
   	cin >> s;
   	len = s.size();
   	for(int i = 0;i <= len / 2;i++){
   		for(int j = len - 1;j >= len / 2;j--){
   			if(s[i] != s[j]){
   				cout << "no";
   				return 0;
			   }
		   }
	   }
	   cout << "yes";
    return 0;
}
2024/9/2 15:26
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