Sudoku solver

loganweber783 22.05.2026 11:22

Sudoku solver

Pure Python, no deps

algo.py

class Node:
    def __init__(self, val):
        self.val = val
        self.next = None

class LinkedList:
    def __init__(self):
        self.head = None
    def append(self, val):
        if not self.head:
            self.head = Node(val)
            return
        cur = self.head
        while cur.next: cur = cur.next
        cur.next = Node(val)
    def display(self):
        cur = self.head
        while cur:
            print(cur.val, end=' ')
            cur = cur.next
        print()

ll = LinkedList()
ll.append(1); ll.append(2); ll.append(3)
ll.display()

Sudoku solver

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