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  1. Prepare
  2. Algorithms
  3. Greedy
  4. Priyanka and Toys
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Priyanka and Toys

  • gauravdhingra_g1
     + 9 comments

    I am sharing my solution below, feel free to leave comments please.

    #!/usr/bin/python3

N = int(input())
W = set(map(int, input().split()))

i = 0
while len(W) > 0:
    i += 1
    m = min(W)
    W = W.difference(set(range(m, m + 5)))

print(i)