Submission #1632017


Source Code Expand

#include <iostream>
#include <cmath>

using namespace std;

const int MAX_N = 100;

int main () {
    int n;
    string s;
    cin >> n;
    cin >> s;

    char str[MAX_N];

    if (n % 2 != 1) {
        cout << "-1" << endl;
        return 0;
    }

    for (int i = 0; i < n/2+1; i++) {
        if (i == 0) {
            str[n/2] = 'b';
        }
        else if (i % 3 == 1) {
            str[n/2 - i] = 'a';
            str[n/2 + i] = 'c';
        }
        else if (i % 3 == 2) {
            str[n/2 - i] = 'c';
            str[n/2 + i] = 'a';
        }
        else {
            str[n/2 - i] = 'b';
            str[n/2 + i] = 'b';
        }
    }

    for (int i = 0; i < n; i++) {
        if (s[i] != str[i]) {
            cout << "-1" << endl;
            return 0;
        }
    }

    cout << n/2 << endl;

}

Submission Info

Submission Time
Task B - 手芸王
User mDA
Language C++14 (GCC 5.4.1)
Score 100
Code Size 872 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