ttowncompiled

###
# Python 3 - MinHeap
# H = []
###
def size(H):
    return len(H)
def is_empty(H):
    return len(H) == 0
def peek(H):
    return H[0] if len(H) > 0 else None

ttowncompiled

###
# Python 3 - MinHeap
# H = []
###
def size(H):
    return len(H)
def is_empty(H):
    return len(H) == 0
def peek(H):
    return H[0] if len(H) > 0 else None

ttowncompiled

###
# Python 3
# Q = [ [], [] ]
###
def size(Q):
    return len(Q[0]) + len(Q[1])
def is_empty(Q):
    return (len(Q[0]) + len(Q[1])) == 0
def peek(Q):
    if len(Q[1]) == 0:

ttowncompiled

###
# Python 3
# S = []
###
def size(S):
    return len(S)
def is_empty(S):
    return len(S) == 0
def peek(S):
    return S[-1] if len(S) > 0 else None

ttowncompiled

###
# Python 3
# T = [int, BinarySearchTree, BinarySearchTree, int] or None
###
def size(T):
    return T[3] if not T is None else 0
def is_empty(T):
    return T is None
def v(T):
    return T[0]

ttowncompiled

// Overwrite settings by placing them into your settings file.
// See http://go.microsoft.com/fwlink/?LinkId=808995 for the most commonly used settings.
{

// Editor

  // Controls the font family.
  "editor.fontFamily": "Menlo, Monaco, 'Courier New', monospace",

  // Controls the font weight.

ttowncompiled

# python 3.6.5
# from typing import List
def Primes( N: int ) -> List[int]:
	""" Generates a complete list of primes P s.t. for all p in P, p < N. """
	P: List[int] = []
	A: List[int] = [ n+1 for n in range( N ) ]
	for n in range( 1, N+1 ):
		if A[n-1] == 1:
			continue
		P.append( A[n-1] )

ttowncompiled

# python 3.6.5
# from typing import List
def PrimesGen( N: int ) -> List[int]:
	""" Generates the first N primes starting with 2. """
	P: List[int] = []
	i: int = 2
	while len(P) < N:
		is_prime: boolean = True
		for p in P:
			if i % p == 0:

ttowncompiled

# python 3.6.5
# from typing import List
def prod( A: List[int] ) -> int:
    """ Computes the product of the elements of A. """
    if A == None or len(A) == 0:
        return 0
    z: int = 1
    for a in A:
        z *= a
    return z

ttowncompiled

class Array
    def prod
        if self.length == 0
            return 0
        end
        z = 1
        self.each do |a_i|
            z *= a_i
        end
        return z