app.py

import itertools
import gradio as gr

def solve_cryptarithm(equation):
    # Remove spaces from user input
    equation = equation.replace(" ", "")

    # Split the equation into left and right sides
    left_side, right_side = equation.split('=')

    # Get all unique letters from the equation
    letters = set(filter(str.isalpha, equation))
    letters = ''.join(letters)

    # If there are too many letters (more than 10), it's impossible to solve
    if len(letters) > 10:
        return "Too many letters to solve!"

    # Get all unique digit combinations for the letters
    digits = '0123456789'
    for perm in itertools.permutations(digits, len(letters)):
        # Create mapping of letters to numbers
        translation = str.maketrans(letters, ''.join(perm))

        # Translate the equation to numbers
        translated_left_side = left_side.translate(translation)
        translated_right_side = right_side.translate(translation)

        # Check if there are numbers starting with 0
        if any(part.startswith('0') and len(part) > 1 for part in translated_left_side.split('+') + translated_right_side.split('+')):
            continue

        try:
            # Evaluate whether the left side equals the right side
            if eval(translated_left_side) == eval(translated_right_side):
                return f"Solution found: {translated_left_side} = {translated_right_side}"
        except Exception as e:
            continue

    return "No solution found."

def solve_multiple_equations(equations):
    results = []
    for equation in equations.splitlines():
        if equation.strip():  # Only process non-empty lines
            result = solve_cryptarithm(equation)
            results.append(result)
    return "\n".join(results)

# Create Gradio interface
iface = gr.Interface(
    fn=solve_multiple_equations,
    inputs=gr.Textbox(lines=10, placeholder="Enter one or more cryptarithm equations here..."),
    outputs="text",
    title="Cryptarithm Solver",
    description="Enter cryptarithm equations (e.g., SEND + MORE = MONEY) on each line."
)

if __name__ == "__main__":
    iface.launch()