{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 30,
   "id": "9dd3736a-5d60-44c5-a93d-2c95bc54fb3c",
   "metadata": {},
   "outputs": [],
   "source": [
    "def ITER_ODD(A: list[int]) -> int:\n",
    "    counter = 0\n",
    "    for x in A:\n",
    "        if x % 2 == 1 and x > 0:\n",
    "            counter += 1\n",
    "    return counter\n",
    "\n",
    "def DC_ODD(A: list[int], i = 0, f = None) -> int:\n",
    "    if f is None:\n",
    "        f = len(A)\n",
    "    if f - i == 1:\n",
    "        return A[i] % 2 and A[i] > 0\n",
    "    midp = (f - i) // 2 + i\n",
    "    return DC_ODD(A, i, midp) + DC_ODD(A, midp, f)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 31,
   "id": "a4932c94-7747-4084-875c-7894d924196a",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2"
      ]
     },
     "execution_count": 31,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ITER_ODD([2, -7, 3, 0, 13, -1, 4, 0])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 32,
   "id": "c3a1fdd3-833b-42f5-9269-88f0afe9e9c4",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2"
      ]
     },
     "execution_count": 32,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "DC_ODD([2, -7, 3, 0, 13, -1, 4, 0])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 33,
   "id": "106d480b-12e0-40c4-98ec-eb6fb2e7ed6c",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2"
      ]
     },
     "execution_count": 33,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "DC_ODD([1,2,3,4])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "9deff933-969f-4428-9b01-46114b728d64",
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3 (ipykernel)",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.12.3"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 5
}