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;/Users/nickb/Downloads/aoc03.prg ==0801==
  100 rem *** advent  of  code  ***
  110 rem *** december 3, 2022  ***
  130 rem
  140 rem adventofcode.com/2022/day/3
  150 rem
  151 rem by nick bensema 
  152 rem unbibium.github.io

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#!/usr/bin/env python3

import sys, os,math

from collections import deque

class Bitstream:
    def __init__(self, hexstring, length=math.inf):
        # length only controls when EOF flag is set
        self.chars = deque(hexstring)

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#!/usr/bin/env python3
#
# https://adventofcode.com/2021/day/15

import sys, os,math
from collections import deque

class Maze:
    def __init__(self, lines, size=1):
        self.size = size

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#!/usr/bin/env python3
#
# https://adventofcode.com/2021/day/14

import sys, os,math
from collections import deque, defaultdict

def to_pairs(template):
    result = defaultdict(int)
    for i in range(len(template)-1):

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#!/usr/bin/env python3
#
# https://adventofcode.com/2021/day/12

import sys, os,math
from collections import defaultdict

def walk(routes, path, double=None):
    for dst in routes[path[-1]]:
        if dst == 'end':

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#!/usr/bin/env python3
#
# https://adventofcode.com/2021/day/7

def pascal(distance):
    if distance<0: return pascal(-distance)
    if distance<2: return distance
    return (distance*(distance+1))//2

def move_all(xs, destination, func=abs):

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#!/usr/bin/env python3
#
# https://adventofcode.com/2021/day/6

from collections import deque

class School:
    def __init__(self, allfish, spawntime=7, firstspawntime=8):
        if type(allfish) is str: # assume filename
            with open(allfish) as fi:

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#!/usr/bin/env python3
#
# https://adventofcode.com/2021/day/6

from collections import defaultdict

class School:
    def __init__(self, allfish, spawntime=7, firstspawntime=8):
        if type(allfish) is str: # assume filename
            with open(allfish) as fi:

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#!/usr/bin/env python3
#
# https://adventofcode.com/2021/day/5

def walk(start,end):
    if (start > end):
        return range(start,end-1,-1)
    return range(start,end+1)

class Segment:

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#!/usr/bin/env python3

print("22: recursive combat")

# I tried to program this without admitting that there
# are only two players.

import sys, os,math

from collections import deque, defaultdict