Submission #2117539


Source Code Expand

n=int(input())
s=input()
if n%2==0:
    print(-1)
else:
    if s=="b":
        print(0)
    elif s=="abc":
        print(1)
    elif s=="cabca":
        print(2)
    elif s=="bcabcab":
        print(3)
    elif n>7:
        if n%3==0:
            if s=="abc"*(n//3):
                print(int((n-3)/2+1))
            else:
                print(-1)
        elif n%3==1:
            if s=="bca"*(n//3)+"b":
                print(int((n-1)/2))
            else:
                print(-1)
        else:
            if s=="c"+"abc"*(n//3)+"a":
                print(int((n-5)/2+2))
            else:
                print(-1)

Submission Info

Submission Time
Task B - 手芸王
User Hiss
Language Python (3.4.3)
Score 0
Code Size 651 Byte
Status WA
Exec Time 18 ms
Memory 3064 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 100
Status
AC × 3
WA × 1
AC × 28
WA × 1
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 17 ms 3064 KB
subtask0-sample02.txt AC 17 ms 3064 KB
subtask0-sample03.txt WA 17 ms 3064 KB
subtask0-sample04.txt AC 17 ms 3064 KB
subtask1-01.txt AC 17 ms 3064 KB
subtask1-02.txt AC 17 ms 3064 KB
subtask1-03.txt AC 17 ms 3064 KB
subtask1-04.txt AC 17 ms 3064 KB
subtask1-05.txt AC 17 ms 3064 KB
subtask1-06.txt AC 17 ms 3064 KB
subtask1-07.txt AC 17 ms 3064 KB
subtask1-08.txt AC 17 ms 3064 KB
subtask1-09.txt AC 17 ms 3064 KB
subtask1-10.txt AC 17 ms 3064 KB
subtask1-11.txt AC 17 ms 3064 KB
subtask1-12.txt AC 18 ms 3064 KB
subtask1-13.txt AC 17 ms 3064 KB
subtask1-14.txt AC 17 ms 3064 KB
subtask1-15.txt AC 17 ms 3064 KB
subtask1-16.txt AC 17 ms 3064 KB
subtask1-17.txt AC 17 ms 3064 KB
subtask1-18.txt AC 17 ms 3064 KB
subtask1-19.txt AC 17 ms 3064 KB
subtask1-20.txt AC 17 ms 3064 KB
subtask1-21.txt AC 17 ms 3064 KB
subtask1-22.txt AC 17 ms 3064 KB
subtask1-23.txt AC 18 ms 3064 KB
subtask1-24.txt AC 17 ms 3064 KB
subtask1-25.txt AC 17 ms 3064 KB