Submission #3173768


Source Code Expand

#include<iostream>
#include<cmath>
#include<string>
#include<algorithm>
using namespace std;
int main()
{
	char s[110];
	int n;cin>>n>>s;
	int cnt=0;
	for(int i=0;i<(n+1)/2;i++)
	{
		if((s[i]=='b'&&s[n-1-i]=='b')||(s[i]=='a'&&s[n-1-i]=='c')||(s[i]=='c'&&s[n-1-i]=='a'))cnt++;
	}
	if(n%2==1&&cnt==(n+1)/2)cout<<(n-1)/2<<endl;
	else cout<<"-1"<<endl;
	return 0;
}

Submission Info

Submission Time
Task B - 手芸王
User yoko
Language C++ (Clang 3.8.0)
Score 100
Code Size 378 Byte
Status AC
Exec Time 1 ms
Memory 256 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 100 / 100
Status
AC × 4
AC × 29
Set Name Test Cases
Sample subtask0-sample01.txt, subtask0-sample02.txt, subtask0-sample03.txt, subtask0-sample04.txt
All subtask0-sample01.txt, subtask0-sample02.txt, subtask0-sample03.txt, subtask0-sample04.txt, subtask1-01.txt, subtask1-02.txt, subtask1-03.txt, subtask1-04.txt, subtask1-05.txt, subtask1-06.txt, subtask1-07.txt, subtask1-08.txt, subtask1-09.txt, subtask1-10.txt, subtask1-11.txt, subtask1-12.txt, subtask1-13.txt, subtask1-14.txt, subtask1-15.txt, subtask1-16.txt, subtask1-17.txt, subtask1-18.txt, subtask1-19.txt, subtask1-20.txt, subtask1-21.txt, subtask1-22.txt, subtask1-23.txt, subtask1-24.txt, subtask1-25.txt
Case Name Status Exec Time Memory
subtask0-sample01.txt AC 1 ms 256 KB
subtask0-sample02.txt AC 1 ms 256 KB
subtask0-sample03.txt AC 1 ms 256 KB
subtask0-sample04.txt AC 1 ms 256 KB
subtask1-01.txt AC 1 ms 256 KB
subtask1-02.txt AC 1 ms 256 KB
subtask1-03.txt AC 1 ms 256 KB
subtask1-04.txt AC 1 ms 256 KB
subtask1-05.txt AC 1 ms 256 KB
subtask1-06.txt AC 1 ms 256 KB
subtask1-07.txt AC 1 ms 256 KB
subtask1-08.txt AC 1 ms 256 KB
subtask1-09.txt AC 1 ms 256 KB
subtask1-10.txt AC 1 ms 256 KB
subtask1-11.txt AC 1 ms 256 KB
subtask1-12.txt AC 1 ms 256 KB
subtask1-13.txt AC 1 ms 256 KB
subtask1-14.txt AC 1 ms 256 KB
subtask1-15.txt AC 1 ms 256 KB
subtask1-16.txt AC 1 ms 256 KB
subtask1-17.txt AC 1 ms 256 KB
subtask1-18.txt AC 1 ms 256 KB
subtask1-19.txt AC 1 ms 256 KB
subtask1-20.txt AC 1 ms 256 KB
subtask1-21.txt AC 1 ms 256 KB
subtask1-22.txt AC 1 ms 256 KB
subtask1-23.txt AC 1 ms 256 KB
subtask1-24.txt AC 1 ms 256 KB
subtask1-25.txt AC 1 ms 256 KB