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Number of Increasing Paths in a Grid, 2334. Maximum of Absolute Value Expression, 1135. Make Array Zero by Subtracting Equal Amounts, 2358. Maximum Number of Events That Can Be Attended II, 1752. Apply NOW. . Count Unreachable Pairs of Nodes in an Undirected Graph, 2320. Time Complexity: O(N).Auxiliary Space: O(1). Maximum Number of Tasks You Can Assign, 2074. Number of Subarrays With GCD Equal to K, 2449. Check Whether Two Strings are Almost Equivalent, 2071. Determine if String Halves Are Alike, 1707. Repeat steps 6 to 8 while count is less than n. If i th element of array1 is less than or equal to j th element of array2, store it in current and increment i. Number of Ways to Stay in the Same Place After Some Steps, 1270. Longest Palindromic Substring 6. 105. Abbreviating the Product of a Range, 2120. Number of Smooth Descent Periods of a Stock, 2111. Shortest Subarray to be Removed to Make Array Sorted, 1576. Follow the steps below for the implementation: Below is the implementation of the above approach: Below is the implementation using inbuilt functions: Time Complexity: O(Log(N))Auxiliary Space: O(1). Kth Smallest Element in a Sorted Matrix, 381. Time Complexity: O(n.lg(n)) Extra Space: O(1) Method-2: Count 0's or 1's. Traverse the array and count the zero's in the array. Minimum Number of Operations to Convert Time, 2225. 3Sum. The overall run time complexity should be O (log (m+n)). Maximum XOR With an Element From Array, 1712. Minimum Distance to Type a Word Using Two Fingers, 1326. 3. LeetCode:33. Check if All the Integers in a Range Are Covered, 1894. Compare Strings by Frequency of the Smallest Character, 1171. Minimum Deletions to Make Array Divisible, 2345. Height of Binary Tree After Subtree Removal Queries, 2459. Count Unique Characters of All Substrings of a Given String, 862. Amount of Time for Binary Tree to Be Infected, 2388. Minimum Cost to Change the Final Value of Expression, 1897. A simple solution would be to count the total number of 0s present in the array, say k, and fill the first k indices in the array by 0 and all remaining indices by 1. If the array element becomes 0 then return the count of 1s. Check if All A's Appears Before All B's, 2127. Delete the Middle Node of a Linked List, 2096. Build Array Where You Can Find The Maximum Exactly K Comparisons, 1422. Lowest Common Ancestor of Deepest Leaves, 1129. Longest Chunked Palindrome Decomposition, 1150. Make the XOR of All Segments Equal to Zero, 1789. Check If Array Pairs Are Divisible by k, 1498. Check for Contradictions in Equations, 2309. Check if arr[mid] is less than 1 then move the high to left side (i.e, hight = mid 1), If the element is not last 1 then move the low to the right side (i.e, low = mid + 1), Check if the element at the middle index is last 1 then return mid + 1, Otherwise move to low to right (i.e, low = mid + 1). Ways to Split Array Into Three Subarrays, 1713. Maximum Sum of Two Non-Overlapping Subarrays, 1038. Remove the elements from the min Heap and add them to the first array thereby replacing the previous values. Minimum Absolute Difference Queries, 1909. Users With Two Purchases Within Seven Days, 2230. Maximum of Minimum Values in All Subarrays, 1951. Remove All Ones With Row and Column Flips, 2131. Maximum Product of the Length of Two Palindromic Substrings, 1961. Form Array by Concatenating Subarrays of Another Array, 1767. Minimum Time to Type Word Using Special Typewriter, 1976. Customer Who Visited but Did Not Make Any Transactions, 1582. Check if Word Equals Summation of Two Words, 1883. The Number of Passengers in Each Bus II, 2154. Sum of Digits in the Minimum Number, 1100. Count Equal and Divisible Pairs in an Array, 2177. Maximum Side Length of a Square with Sum Less than or Equal to Threshold, 1293. Example 1: 1. Construct Binary Tree from Preorder and Inorder Traversal, 106. Maximum Value at a Given Index in a Bounded Array, 1805. Minimize Hamming Distance After Swap Operations, 1723. Minimum Number of Operations to Make Arrays Similar, 2450. 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Number of Ways to Rearrange Sticks With K Sticks Visible, 1867. Follow the steps below to implement the above idea: The following is the implementation of the above idea. Design Add and Search Words Data Structure, 235. Following is the detailed process that uses Heap. If target exists, then return its index. Amount of New Area Painted Each Day, 2160. The Number of Seniors and Juniors to Join the Company II, 2011. If we want to know the first and last occurrence of element 5, it will be at index 3 and 4 respectively. Search an element in a sorted and rotated Array Program to find largest element in an array Given Array of size n and a number k, find all elements that appear more than n/k times k largest (or smallest) elements in an array Median of two sorted Arrays of different sizes Count number of occurrences (or frequency) in a sorted array Average Salary Excluding the Minimum and Maximum Salary, 1493. Subsequence of Size K With the Largest Even Sum, 2099. Minimum Cost of Buying Candies With Discount, 2146. For this problem, a height-balanced binary tree is defined as a binary tree in which the depth of the two subtrees of every node never differ by more than 1. Minimum Difference Between Largest and Smallest Value in Three Moves, 1519. A-143, 9th Floor, Sovereign Corporate Tower, We use cookies to ensure you have the best browsing experience on our website. Unique Length-3 Palindromic Subsequences, 1931. Check Array Formation Through Concatenation, 1644. Maximum Number of Ways to Partition an Array, 2030. Number of Ways to Wear Different Hats to Each Other, 1437. Actors and Directors Who Cooperated At Least Three Times, 1058. Maximum Nesting Depth of the Parentheses, 1616. Minimum Number of Days to Disconnect Island, 1569. Minimum Flips to Make a OR b Equal to c, 1319. Maximum Running Time of N Computers, 2142. Maximum Product of Splitted Binary Tree, 1342. Second Minimum Time to Reach Destination, 2046. Count Number of Distinct Integers After Reverse Operations, 2446. Leetcode 108. Declare an empty array merged of size n. Initialize i = 0, j = 0, k = 0. Primary Department for Each Employee, 1790. Career a. Replace the Substring for Balanced String, 1237. This article is contributed by Devanshu Agarwal. 1) Create a Min Heap of size k+1 with first k+1 elements. Minimum Score Triangulation of Polygon, 1047. Problem: There are two sorted arrays nums1 and nums2 of size m and n respectively. Check Distances Between Same Letters, 2400. Maximum Matching of Players With Trainers, 2411. The Number of Employees Which Report to Each Employee, 1735. Minimum Number of Days to Eat N Oranges, 1557. Path In Zigzag Labelled Binary Tree, 1111. The Earliest Moment When Everyone Become Friends, 1104. Sort Array by Increasing Frequency. Minimum Operations to Make a Subsequence, 1714. Remove All Adjacent Duplicates In String, 1050. These variables will serve as the index pointers. In the quick sort partition function, after one scan, the left of the array is the smallest and the right of the array is the largest of the selected pivot element. Sort Integers by The Number of 1 Bits, 1358. Given an n x n binary grid, in one step you can choose two adjacent rows of the grid and swap them. Longest Subsequence With Limited Sum, 2391. Number of Operations to Make Network Connected, 1320. Minimum Number of Flips to Convert Binary Matrix to Zero Matrix, 1285. Binary Tree Longest Consecutive Sequence II, 558. Minimum Insertion Steps to Make a String Palindrome, 1315. Delete N Nodes After M Nodes of a Linked List, 1475. Create Target Array in the Given Order, 1391. Minimum Number of Operations to Make String Sorted, 1835. Intervals Between Identical Elements, 2123. Minimum Domino Rotations For Equal Row, 1008. Build Binary Expression Tree From Infix Expression, 1599. Check if All Characters Have Equal Number of Occurrences, 1942. Our task is to sort the elements in the array according to the number of 1 bit in the binary representation of the number in ascending order.. If you like GeeksforGeeks and would like to contribute, you can also write an article using write.geeksforgeeks.org or mail your article to review-team@geeksforgeeks.org. Populating Next Right Pointers in Each Node, 117. Max Dot Product of Two Subsequences, 1460. Minimum Number of Arrows to Burst Balloons, 453. The idea is to look for the last occurrence of 1 using Binary Search. Maximum Score from Performing Multiplication Operations, 1771. 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