05_codility_perm.py

# you can use print for debugging purposes, e.g.
# print "this is a debug message"
def solution(A):
    d = dict(zip(range(1, len(A) + 1), [0] * (len(A) + 1) ))
    result = 0
    for i in A:
        if i in d:
            d.pop(i)
        if not d:
            result = 1
            break
    return result
# https://codility.com/demo/results/demoGAFAKK-GX8/