[Python] StrSymmetryPoint

https://app.codility.com/demo/results/trainingYMXCBY-VNE/

Test results - Codility

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Point

• center point까지 start와 end를 반복문을 통해 비교해간다

Tip

•  

Task Score

100%

Correctness

100%

Performance

100%

Detected time complexity

O(length(S))

def solution(S):
    
    if len(S)%2 == 0:
        return -1

    mid = len(S)//2

    start = 0
    end = -1

    while start < mid:
        if S[start] != S[end]:
            return -1
        start += 1 
        end -= 1

    return mid

 

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