HR_Jumping on the Clouds

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1.沒有考慮i+2越界的問題

2.沒有考慮結尾三個零導致 -5

3.沒有考慮len(c)<2 導致 -5

 

#!/bin/python3import mathimport osimport randomimport reimport sys# Complete the jumpingOnClouds function below.def jumpingOnClouds(c):    count = 0    i = 0    while(i + 2 < len(c)):        if c[i+2] == 0:            count = count + 1            i = i + 2        else:            count = count + 1            i = i + 1    if len(c)<=2:        count = count + 1    else:        if c[-2] == 0 and c[-3] == 1:            count = count + 1    return countif __name__ == ‘__main__‘:    fptr = open(os.environ[‘OUTPUT_PATH‘], ‘w‘)    n = int(input())    c = list(map(int, input().rstrip().split()))    result = jumpingOnClouds(c)    fptr.write(str(result) + ‘\n‘)    fptr.close()

　　

HR_Jumping on the Clouds