Homework 01

homework_01/homework_01.ipynb

@@ -27,12 +27,22 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 1,
    "id": "5a4d665d",
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "('1', '4', '3', '2', '5')\n"
+     ]
+    }
+   ],
    "source": [
-    "# ВАШ КОД ЗДЕСЬ"
+    "num = input(\"Введите пятизначное число: \")\n",
+    "mirored = num[0],num[3],num[2],num[1],num[4]\n",
+    "print(mirored)"
    ]
   },
   {
@@ -54,12 +64,31 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 2,
    "id": "07154103",
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Количество выходных до отпуска: 1\n"
+     ]
+    }
+   ],
    "source": [
-    "# ВАШ КОД ЗДЕСЬ"
+    "days = int(input(\"Введите количество дней до отпуска: \"))\n",
+    "\n",
+    "full_weeks = days // 7\n",
+    "remaining_days = days % 7\n",
+    "weekends = full_weeks * 2\n",
+    "\n",
+    "if remaining_days >= 6:\n",
+    "    weekends += 1  \n",
+    "if remaining_days >= 7:\n",
+    "    weekends += 1  \n",
+    "\n",
+    "print(f\"Количество выходных до отпуска: {weekends}\")"
    ]
   },
   {
@@ -81,12 +110,27 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 3,
    "id": "70f3324c",
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "true\n"
+     ]
+    }
+   ],
    "source": [
-    "# ВАШ КОД ЗДЕСЬ"
+    "length  = int(input(\"Введите длину: \"))\n",
+    "width  = int(input(\"Введите ширину: \"))\n",
+    "size  = int(input(\"Введите размер куска: \"))\n",
+    "\n",
+    "if size % length == 0 or size % width == 0:\n",
+    "    print(\"true\")\n",
+    "else:\n",
+    "    print(\"false\")"
    ]
   },
   {
@@ -108,12 +152,37 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 4,
    "id": "8686127c",
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Римская запись: LIV\n"
+     ]
+    }
+   ],
    "source": [
-    "# ВАШ КОД ЗДЕСЬ"
+    "def int_to_roman(num):\n",
+    "    val = [\n",
+    "        (1000, 'M'), (900, 'CM'), (500, 'D'), (400, 'CD'),\n",
+    "        (100, 'C'), (90, 'XC'), (50, 'L'), (40, 'XL'),\n",
+    "        (10, 'X'), (9, 'IX'), (5, 'V'), (4, 'IV'), (1, 'I')\n",
+    "    ]\n",
+    "    roman_num = []\n",
+    "    for n, r in val:\n",
+    "        while num >= n:\n",
+    "            roman_num.append(r)\n",
+    "            num -= n\n",
+    "    return ''.join(roman_num)\n",
+    "\n",
+    "number = int(input(\"Введите целое положительное число: \"))\n",
+    "if number < 1:\n",
+    "    print(\"Число должно быть положительным!\")\n",
+    "else:\n",
+    "    print(f\"Римская запись: {int_to_roman(number)}\")"
    ]
   },
   {
@@ -136,24 +205,74 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 5,
    "id": "74e39179",
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Да, это вещественное число\n"
+     ]
+    }
+   ],
    "source": [
-    "# ВАШ КОД ЗДЕСЬ"
+    "s = input(\"Введите число: \")\n",
+    "\n",
+    "is_valid = True\n",
+    "dot_count = 0\n",
+    "sign_count = 0\n",
+    "\n",
+    "if not s:  \n",
+    "    is_valid = False\n",
+    "else:\n",
+    "    for i, char in enumerate(s):\n",
+    "        if char == '.':\n",
+    "            dot_count += 1\n",
+    "            if dot_count > 1:\n",
+    "                is_valid = False\n",
+    "                break\n",
+    "        elif char in '+-':\n",
+    "            sign_count += 1\n",
+    "            if i != 0 or sign_count > 1:  \n",
+    "                is_valid = False\n",
+    "                break\n",
+    "        elif not char.isdigit():\n",
+    "            is_valid = False\n",
+    "            break\n",
+    "\n",
+    "    if is_valid:\n",
+    "        if dot_count == 1 and len(s) == 1:  \n",
+    "            is_valid = False\n",
+    "        elif sign_count == 1 and len(s) == 1:  \n",
+    "            is_valid = False\n",
+    "        elif s[0] in '+-.' and len(s) == 2 and not s[1].isdigit():  \n",
+    "            is_valid = False\n",
+    "        elif s[-1] == '.' and len(s) > 1 and not s[-2].isdigit():  \n",
+    "            is_valid = False\n",
+    "\n",
+    "print(\"Да, это вещественное число\" if is_valid else \"Нет, это не вещественное число\")"
    ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": ".venv (3.11.12)",
+   "display_name": "Python 3",
    "language": "python",
    "name": "python3"
   },
   "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
    "name": "python",
-   "version": "3.11.12"
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.13.0"
   }
  },
  "nbformat": 4,