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@ -1,7 +1,6 @@ |
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#!/usr/bin/env python |
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from aoc import get_input # AoC |
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import re # regex |
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data = get_input(13).splitlines() |
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@ -11,43 +10,39 @@ busses = [] |
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for busid in data[1].split(","): |
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if(busid != "x"): |
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busses.append(int(busid)) |
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# else: |
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# busses.append(busid) |
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##busses.sort() |
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busses.sort() |
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def getTimestamp(busid, i): |
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return busid * i |
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# bustimes = dict() |
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bustimes = dict() |
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# for busid in busses: |
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# print("checking ", busid) |
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# i = 0 |
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# bustimes[busid] = [] |
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# while True: |
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# timestamp = getTimestamp(busid, i) |
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# bustimes[busid].append(timestamp) |
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for busid in busses: |
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i = 0 |
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bustimes[busid] = [] |
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while True: |
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timestamp = getTimestamp(busid, i) |
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bustimes[busid].append(timestamp) |
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# if(timestamp > time): |
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# break |
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# else: |
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# i += 1 |
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# continue |
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# waittimes = dict() |
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# for busid, t in bustimes.items(): |
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# high = max(t) |
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# waittimes[busid] = high - time |
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if(timestamp > time): |
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break |
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else: |
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i += 1 |
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continue |
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# bestbusid = min(waittimes, key=waittimes.get) |
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waittimes = dict() |
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for busid, t in bustimes.items(): |
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high = max(t) |
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waittimes[busid] = high - time |
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# thing = bestbusid * waittimes[bestbusid] |
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bestbusid = min(waittimes, key=waittimes.get) |
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# print(bestbusid, thing) |
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thing = bestbusid * waittimes[bestbusid] |
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# Part 2 |
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bus = dict() |
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i = 0 |
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@ -57,19 +52,18 @@ for busid in data[1].split(","): |
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i += 1 |
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minindex, maxindex = 0, len(bus) - 1 |
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from sympy.ntheory.modular import crt |
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thing = [] |
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pos = [] |
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buss = [] |
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for i, busid in bus.items(): |
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thing.append(i) |
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pos.append(i) |
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buss.append(busid) |
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print(bus, buss, thing) |
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hello = crt(buss, thing) |
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print(hello) |
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hello = crt(buss, pos) |
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thething = hello[1] - hello[0] |
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print(thething) |
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print("Part1", thing) |
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print("Part2", thething) |
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