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Ingy döt Net
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44
Task/24-game-Solve/Python/24-game-solve-1.py
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44
Task/24-game-Solve/Python/24-game-solve-1.py
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# -*- coding: utf-8 -*-
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# Python 3
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from operator import mul, sub, add
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def div(a, b):
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if b == 0:
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return 999999.0
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return a / b
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ops = {mul: '*', div: '/', sub: '-', add: '+'}
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def solve24(num, how, target):
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if len(num) == 1:
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if round(num[0], 5) == round(target, 5):
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yield str(how[0]).replace(',', '').replace("'", '')
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else:
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for i, n1 in enumerate(num):
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for j, n2 in enumerate(num):
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if i != j:
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for op in ops:
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new_num = [n for k, n in enumerate(num) if k != i and k != j] + [op(n1, n2)]
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new_how = [h for k, h in enumerate(how) if k != i and k != j] + [(how[i], ops[op], how[j])]
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yield from solve24(new_num, new_how, target)
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tests = [
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[1, 7, 2, 7],
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[5, 7, 5, 4],
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[1, 4, 6, 6],
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[2, 3, 7, 3],
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[1, 6, 2, 6],
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[7, 9, 4, 1],
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[6, 4, 2, 2],
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[5, 7, 9, 7],
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[3, 3, 8, 8], # Difficult case requiring precise division
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[8, 7, 9, 7], # No solution
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[9, 4, 4, 5], # No solution
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]
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for nums in tests:
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print(nums, end=' : ')
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try:
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print(next(solve24(nums, nums, 24)))
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except StopIteration:
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print("No solution found")
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359
Task/24-game-Solve/Python/24-game-solve-2.py
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359
Task/24-game-Solve/Python/24-game-solve-2.py
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''' Python 3.6.5 code using Tkinter graphical user interface.
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Combination of '24 game' and '24 game/Solve'
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allowing user or random selection of 4-digit number
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and user or computer solution.
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Note that all computer solutions are displayed'''
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from tkinter import *
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from tkinter import messagebox
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from tkinter.scrolledtext import ScrolledText
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# 'from tkinter import scrolledtext' in later versions?
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import random
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import itertools
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# ************************************************
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class Game:
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def __init__(self, gw):
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self.window = gw
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self.digits = '0000'
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a1 = "(Enter '4 Digits' & click 'My Digits'"
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a2 = "or click 'Random Digits')"
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self.msga = a1 + '\n' + a2
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b1 = "(Enter 'Solution' & click 'Check Solution'"
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b2 = "or click 'Show Solutions')"
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self.msgb = b1 + '\n' + b2
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# top frame:
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self.top_fr = Frame(gw,
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width=600,
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height=100,
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bg='dodger blue')
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self.top_fr.pack(fill=X)
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self.hdg = Label(self.top_fr,
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text=' 24 Game ',
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font='arial 22 bold',
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fg='navy',
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bg='lemon chiffon')
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self.hdg.place(relx=0.5, rely=0.5,
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anchor=CENTER)
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self.close_btn = Button(self.top_fr,
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text='Quit',
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bd=5,
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bg='navy',
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fg='lemon chiffon',
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font='arial 12 bold',
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command=self.close_window)
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self.close_btn.place(relx=0.07, rely=0.5,
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anchor=W)
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self.clear_btn = Button(self.top_fr,
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text='Clear',
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bd=5,
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bg='navy',
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fg='lemon chiffon',
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font='arial 12 bold',
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command=self.clear_screen)
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self.clear_btn.place(relx=0.92, rely=0.5,
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anchor=E)
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# bottom frame:
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self.btm_fr = Frame(gw,
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width=600,
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height=500,
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bg='lemon chiffon')
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self.btm_fr.pack(fill=X)
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self.msg = Label(self.btm_fr,
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text=self.msga,
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font='arial 16 bold',
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fg='navy',
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bg='lemon chiffon')
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self.msg.place(relx=0.5, rely=0.1,
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anchor=CENTER)
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self.user_dgt_btn = Button(self.btm_fr,
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text='My Digits',
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width=12,
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bd=5,
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bg='navy',
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fg='lemon chiffon',
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font='arial 12 bold',
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command=self.get_digits)
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self.user_dgt_btn.place(relx=0.07, rely=0.2,
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anchor=W)
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self.rdm_dgt_btn = Button(self.btm_fr,
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text='Random Digits',
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width=12,
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bd=5,
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bg='navy',
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fg='lemon chiffon',
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font='arial 12 bold',
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command=self.gen_digits)
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self.rdm_dgt_btn.place(relx=0.92, rely=0.2,
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anchor=E)
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self.dgt_fr = LabelFrame(self.btm_fr,
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text=' 4 Digits ',
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bg='dodger blue',
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fg='navy',
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bd=4,
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relief=RIDGE,
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font='arial 12 bold')
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self.dgt_fr.place(relx=0.5, rely=0.27,
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anchor=CENTER)
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self.digit_ent = Entry(self.dgt_fr,
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justify='center',
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font='arial 16 bold',
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fg='navy',
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disabledforeground='navy',
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bg='lemon chiffon',
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disabledbackground='lemon chiffon',
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bd=4,
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width=6)
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self.digit_ent.grid(row=0, column=0,
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padx=(8,8),
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pady=(8,8))
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self.chk_soln_btn = Button(self.btm_fr,
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text='Check Solution',
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state='disabled',
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width=14,
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bd=5,
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bg='navy',
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fg='lemon chiffon',
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font='arial 12 bold',
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command=self.check_soln)
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self.chk_soln_btn.place(relx=0.07, rely=.42,
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anchor=W)
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self.show_soln_btn = Button(self.btm_fr,
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text='Show Solutions',
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state='disabled',
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width=14,
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bd=5,
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bg='navy',
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fg='lemon chiffon',
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font='arial 12 bold',
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command=self.show_soln)
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self.show_soln_btn.place(relx=0.92, rely=.42,
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anchor=E)
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self.soln_fr = LabelFrame(self.btm_fr,
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text=' Solution ',
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bg='dodger blue',
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fg='navy',
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bd=4,
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relief=RIDGE,
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font='arial 12 bold')
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self.soln_fr.place(relx=0.07, rely=0.58,
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anchor=W)
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self.soln_ent = Entry(self.soln_fr,
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justify='center',
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font='arial 16 bold',
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fg='navy',
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disabledforeground='navy',
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bg='lemon chiffon',
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disabledbackground='lemon chiffon',
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state='disabled',
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bd=4,
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width=15)
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self.soln_ent.grid(row=0, column=0,
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padx=(8,8), pady=(8,8))
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self.solns_fr = LabelFrame(self.btm_fr,
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text=' Solutions ',
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bg='dodger blue',
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fg='navy',
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bd=4,
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relief=RIDGE,
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font='arial 12 bold')
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self.solns_fr.place(relx=0.92, rely=0.5,
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anchor='ne')
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self.solns_all = ScrolledText(self.solns_fr,
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font='courier 14 bold',
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state='disabled',
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fg='navy',
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bg='lemon chiffon',
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height=8,
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width=14)
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self.solns_all.grid(row=0, column=0,
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padx=(8,8), pady=(8,8))
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# validate '4 Digits' entry.
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# save if valid and switch screen to solution mode.
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def get_digits(self):
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txt = self.digit_ent.get()
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if not(len(txt) == 4 and txt.isdigit()):
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self.err_msg('Please enter 4 digits (eg 1357)')
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return
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self.digits = txt # save
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self.reset_one() # to solution mode
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return
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# generate 4 random digits, display them,
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# save them, and switch screen to solution mode.
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def gen_digits(self):
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self.digit_ent.delete(0, 'end')
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self.digits = ''.join([random.choice('123456789')
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for i in range(4)])
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self.digit_ent.insert(0, self.digits) # display
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self.reset_one() # to solution mode
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return
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# switch screen from get digits to solution mode:
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def reset_one(self):
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self.digit_ent.config(state='disabled')
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self.user_dgt_btn.config(state='disabled')
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self.rdm_dgt_btn.config(state='disabled')
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self.msg.config(text=self.msgb)
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self.chk_soln_btn.config(state='normal')
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self.show_soln_btn.config(state='normal')
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self.soln_ent.config(state='normal')
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return
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# edit user's solution:
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def check_soln(self):
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txt = self.soln_ent.get() # user's expression
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d = '' # save digits in expression
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dgt_op = 'd' # expecting d:digit or o:operation
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for t in txt:
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if t not in '123456789+-*/() ':
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self.err_msg('Invalid character found: ' + t)
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return
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if t.isdigit():
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if dgt_op == 'd':
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d += t
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dgt_op = 'o'
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else:
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self.err_msg('Need operator between digits')
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return
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if t in '+-*/':
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if dgt_op == 'o':
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dgt_op = 'd'
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else:
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self.err_msg('Need digit befor operator')
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return
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if sorted(d) != sorted(self.digits):
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self.err_msg("Use each digit in '4 Digits' once")
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return
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try:
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# round covers up Python's
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# representation of floats
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if round(eval(txt),5) == 24:
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messagebox.showinfo(
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'Success',
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'YOUR SOLUTION IS VADLID!')
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self.show_soln() # show all solutions
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return
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except:
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self.err_msg('Invalid arithmetic expression')
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return
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messagebox.showinfo(
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'Failure',
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'Your expression does not yield 24')
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return
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# show all solutions:
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def show_soln(self):
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# get all sets of 3 operands: ('+', '+', '*'), ...)
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ops = ['+-*/', '+-*/', '+-*/']
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combs = [p for p in itertools.product(*ops)]
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# get unique permutations for requested 4 digits:
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d = self.digits
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perms = set([''.join(p) for p in itertools.permutations(d)])
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# list of all (hopefully) expressions for
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# 4 operands and 3 operations:
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formats = ['Aop1Bop2Cop3D',
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'(Aop1Bop2C)op3D',
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'((Aop1B)op2C)op3D',
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'(Aop1(Bop2C))op3D',
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'Aop1Bop2(Cop3D)',
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'Aop1(Bop2C)op3D',
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'(Aop1B)op2Cop3D',
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'(Aop1B)op2(Cop3D)',
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'Aop1(Bop2Cop3D)',
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'Aop1((Bop2C)op3D)',
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'Aop1(Bop2(Cop3D))']
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lox = [] # list of valid expressions
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for fm in formats: # pick a format
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for c in combs: # plug in 3 ops
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f = fm.replace('op1', c[0])
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f = f.replace('op2', c[1])
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f = f.replace('op3', c[2])
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for A, B, C, D in perms: # plug in 4 digits
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x = f.replace('A', A)
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x = x.replace('B', B)
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x = x.replace('C', C)
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x = x.replace('D', D)
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try: # evaluate expression
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# round covers up Python's
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# representation of floats
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if round(eval(x),5) == 24:
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lox.append(' ' + x)
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except ZeroDivisionError: # can ignore these
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continue
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if lox:
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txt = '\n'.join(x for x in lox)
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else:
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txt =' No Solution'
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self.solns_all.config(state='normal')
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self.solns_all.insert('end', txt) # show solutions
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self.solns_all.config(state='disabled')
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self.chk_soln_btn.config(state='disabled')
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self.show_soln_btn.config(state='disabled')
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self.soln_ent.config(state='disabled')
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return
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def err_msg(self, msg):
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messagebox.showerror('Error Message', msg)
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return
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# restore screen to it's 'initial' state:
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def clear_screen(self):
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self.digits = ''
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self.digit_ent.config(state='normal')
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self.user_dgt_btn.config(state='normal')
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self.rdm_dgt_btn.config(state='normal')
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self.digit_ent.delete(0, 'end')
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self.chk_soln_btn.config(state='disabled')
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self.show_soln_btn.config(state='disabled')
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self.soln_ent.config(state='normal')
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self.soln_ent.delete(0, 'end')
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self.soln_ent.config(state='disabled')
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self.msg.config(text=self.msga)
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self.clear_solns_all()
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return
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# clear the 'Solutions' frame.
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# note: state must be 'normal' to change data
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def clear_solns_all(self):
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self.solns_all.config(state='normal')
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self.solns_all.delete(1.0, 'end')
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self.solns_all.config(state='disabled')
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return
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def close_window(self):
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self.window.destroy()
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# ************************************************
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root = Tk()
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root.title('24 Game')
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root.geometry('600x600+100+50')
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root.resizable(False, False)
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g = Game(root)
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root.mainloop()
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39
Task/24-game-Solve/Python/24-game-solve.py
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39
Task/24-game-Solve/Python/24-game-solve.py
Normal file
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@ -0,0 +1,39 @@
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# -*- coding: utf-8 -*-
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import operator
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from itertools import product, permutations
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def mydiv(n, d):
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return n / d if d != 0 else 9999999
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syms = [operator.add, operator.sub, operator.mul, mydiv]
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op = {sym: ch for sym, ch in zip(syms, '+-*/')}
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def solve24(nums):
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for x, y, z in product(syms, repeat=3):
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for a, b, c, d in permutations(nums):
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if round(x(y(a,b),z(c,d)),5) == 24:
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return f"({a} {op[y]} {b}) {op[x]} ({c} {op[z]} {d})"
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elif round(x(a,y(b,z(c,d))),5) == 24:
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return f"{a} {op[x]} ({b} {op[y]} ({c} {op[z]} {d}))"
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elif round(x(y(z(c,d),b),a),5) == 24:
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return f"(({c} {op[z]} {d}) {op[y]} {b}) {op[x]} {a}"
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elif round(x(y(b,z(c,d)),a),5) == 24:
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return f"({b} {op[y]} ({c} {op[z]} {d})) {op[x]} {a}"
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return '--Not Found--'
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if __name__ == '__main__':
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#nums = eval(input('Four integers in the range 1:9 inclusive, separated by commas: '))
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for nums in [
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[9,4,4,5],
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[1,7,2,7],
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[5,7,5,4],
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[1,4,6,6],
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[2,3,7,3],
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[8,7,9,7],
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[1,6,2,6],
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[7,9,4,1],
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[6,4,2,2],
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[5,7,9,7],
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[3,3,8,8], # Difficult case requiring precise division
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]:
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print(f"solve24({nums}) -> {solve24(nums)}")
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