coin.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 138,
   "metadata": {},
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   "source": [
    "from typing import List\n",
    "import doctest"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 139,
   "metadata": {},
   "outputs": [],
   "source": [
    "def changer(amount: int, given_coins: list , coint_left: int) -> list:\n",
    "\tif sum(coint_left) == amount:\n",
    "\t\tyield coint_left\n",
    "\telif sum(coint_left) > amount:\n",
    "\t\tpass\n",
    "\telif given_coins == []:\n",
    "\t\tpass\n",
    "\telse:\n",
    "\t\tfor c in change(amount, given_coins[:], coint_left+[given_coins[0]]):\n",
    "\t\t\tyield c\n",
    "\t\tfor c in change(amount, given_coins[1:], coint_left):\n",
    "\t\t\tyield c"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 144,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "coint:  [2, 5, 10, 10, 10, 10, 10]\n"
     ]
    }
   ],
   "source": [
    "\"\"\"\n",
    "unit test\n",
    "\n",
    ">>> min(changer(57, [1, 2, 5, 10], []), key=len)\n",
    "[2, 5, 10, 10, 10, 10, 10]\n",
    "\n",
    ">>> min(changer(40, [1, 2, 5, 10], []), key=len)\n",
    "[10, 10, 10, 10]\n",
    "\n",
    ">>> min(changer(1, [1, 2, 5, 10], []), key=len)\n",
    "[1]\n",
    "\"\"\"\n",
    "\n",
    "doctest.testmod()\n",
    "\n",
    "amount: int = 57\n",
    "coins: list = [1, 2, 5, 10]\n",
    "solutions: list = [s for s in changer(amount, coins, [])]\n",
    "result_coint = []\n",
    "\n",
    "if len(solutions) > 0:\n",
    "    result_coint = min(solutions, key=len)\n",
    "\n",
    "print('coint: ', result_coint)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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