kamaci

class Solution {
    public void solveSudoku(char[][] board) {
        backtrack(board, 0, 0);
    }
    
    public boolean backtrack(char[][] board, int row, int col) {
        //traverse from left top to bottom right
        if (col == 9) { //checked all row elements, continue with the next one.
            return backtrack(board, row + 1, 0);
        }

kamaci

import string


class ShiftCipher:
    def __init__(self, shift_size=3):
        self.shift_size = shift_size % 26
        self.shifted = []
        for decrypted in string.ascii_uppercase:
            encrypted = chr((ord(decrypted) - ord('A') + self.shift_size) % 26 + ord('A'))
            self.shifted.append(encrypted)

kamaci

import string

import matplotlib.pyplot as plt


class StatsCollector:
    def __init__(self, data, label="input"):
        self.data = data
        self.label = label
        self.freq_dict = {char: 0 for char in string.ascii_uppercase}

kamaci

from tabulate import tabulate

from stats_collector import StatsCollector
import matplotlib.pyplot as plt

desired_ioc_value = 0.065
random_ioc_value = 0.038


class IndexOfCoincidence:

kamaci

from stats_collector import StatsCollector

LETTER_PROBABILITIES = {"A": 0.0856, "B": 0.0139, "C": 0.0279, "D": 0.0378,
                        "E": 0.1304, "F": 0.0289, "G": 0.0199, "H": 0.0528,
                        "I": 0.0627, "J": 0.0013, "K": 0.0042, "L": 0.0339,
                        "M": 0.0249, "N": 0.0707, "O": 0.0797, "P": 0.0199,
                        "Q": 0.0012, "R": 0.0677, "S": 0.0607, "T": 0.1045,
                        "U": 0.0249, "V": 0.0092, "W": 0.0149, "X": 0.0017,
                        "Y": 0.0199, "Z": 0.0008}

kamaci

from matplotlib import pyplot as plt
from tabulate import tabulate

from chi_squared import ChiSquared
from stats_collector import StatsCollector

tableau = {
    0: "NOPQRSTUVWXYZABCDEFGHIJKLM",
    1: "OPQRSTUVWXYZNMABCDEFGHIJKL",
    2: "PQRSTUVWXYZNOLMABCDEFGHIJK",

kamaci

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

kamaci

import textwrap


class PermutationCipher:
    def __init__(self, permutation):
        self.permutation = permutation
        self.permutation_transpose = [0] * len(self.permutation)
        for index, value in enumerate(self.permutation):
            self.permutation_transpose[value] = index

kamaci

    for index, perm in enumerate(permutations([0, 1, 2, 3, 4, 5])):
       permutation_cipher = PermutationCipher(perm)
       if permutation_cipher.decrypt(cipher_of_cipher_data) == trimmed_cipher_data:
           print(f"Found at epoch: {index}. Result is: {perm}")
           break
       index += 1

kamaci

import random
import datetime

import nltk
from deap import base, creator, tools, algorithms
from matplotlib import pyplot as plt
from nltk import FreqDist
from nltk.corpus import brown
from timeit import default_timer as timer