Data analysis by practical

Author: Abdullah-Niaz

LeetCode/running_sum_of_1d_array.ipynb

@@ -0,0 +1,97 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[1, 3, 6, 10]\n"
+     ]
+    }
+   ],
+   "source": [
+    "# # input \n",
+    "# nums = [1,2,3,4]\n",
+    "# # ouput \n",
+    "# # nums = [1, 3, 6, 10]\n",
+    "# # Declare a variable where you can store the sum\n",
+    "# sum = 0 \n",
+    "# #Declare a list where you will append the sum o\n",
+    "# result = []\n",
+    "# for i in nums:\n",
+    "#     sum += i\n",
+    "#     result.append(sum)\n",
+    "\n",
+    "# print(result)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# Time:  O(n^2)\n",
+    "# Space: O(1)\n",
+    "\n",
+    "class Solution(object):\n",
+    "    def threeSumClosest(self, nums, target):\n",
+    "        \"\"\"\n",
+    "        :type nums: List[int]\n",
+    "        :type target: int\n",
+    "        :rtype: int\n",
+    "        \"\"\"\n",
+    "        result, min_diff = 0, float(\"inf\")\n",
+    "        nums.sort()\n",
+    "        for i in reversed(xrange(2, len(nums))):\n",
+    "            if i+1 < len(nums) and nums[i] == nums[i+1]:\n",
+    "                continue\n",
+    "            left, right = 0, i-1\n",
+    "            while left < right:\n",
+    "                total = nums[left]+nums[right]+nums[i]\n",
+    "                if total < target:\n",
+    "                    left += 1\n",
+    "                elif total > target:\n",
+    "                    right -= 1\n",
+    "                else:\n",
+    "                    return target\n",
+    "                if abs(total-target) < min_diff:\n",
+    "                    min_diff = abs(total-target)\n",
+    "                    result = total\n",
+    "        return result\n",
+    "\n"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3.10.7 64-bit",
+   "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": "3.10.7"
+  },
+  "orig_nbformat": 4,
+  "vscode": {
+   "interpreter": {
+    "hash": "26de051ba29f2982a8de78e945f0abaf191376122a1563185a90213a26c5da77"
+   }
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}

Lession 1 Intorduction of python Programming/.ipynb_checkpoints/Untitled-checkpoint.ipynb

@@ -0,0 +1,6 @@
+{
+ "cells": [],
+ "metadata": {},
+ "nbformat": 4,
+ "nbformat_minor": 5
+}