find peak element in mountain arrayfind peak element in mountain array

The Number of Full Rounds You Have Played, Leetcode 1906. In this case, the first element corresponds to the peak element. Smallest String Starting From Leaf, Leetcode 989. Kth Distinct String in an Array, Leetcode 2054. Partition Array for Maximum Sum, Leetcode 1044. Find the Divisibility Array of a String, Leetcode 2576. Maximum Height by Stacking Cuboids, Leetcode 1692. Replace Elements with Greatest Element on Right Side, Leetcode 1300. Moving Stones Until Consecutive II, Leetcode 1042. Compare Strings by Frequency of the Smallest Character, Leetcode 1171. Check if Matrix Is X Matrix, Leetcode 2320. Finding the Users Active Minutes Solution, Leetcode 1820. Knight Probability in Chessboard, Leetcode 689. Minimum Operations to Make the Array K Increasing, Leetcode 2113. Queens That Can Attack the King, Leetcode 1227. Find the Substring With Maximum Cost, Leetcode 2607. Find Distance in a Binary Tree Solution, Leetcode 1742. Split Array With Same Average, Leetcode 807. Validate Binary Tree Nodes, Leetcode 1367. Minimum Total Space Wasted With K Resizing Operations, Leetcode 1960. Percentage of Letter in String, Leetcode 2279. Number of Great Partitions, Leetcode 2520. Check If a String Can Break Another String, Leetcode 1434. We can create a pointer i and set it to 0 to point to the first element. Find the Maximum Number of Marked Indices, Leetcode 2577. Count Collisions of Monkeys on a Polygon, Leetcode 2552. Based on the obtained peak index, the partition array into two parts. Minimum Insertions to Balance a Parentheses String, Leetcode 1542. You may imagine that nums[-1] = nums[n] = -. Divide Array in Sets of K Consecutive Numbers, Leetcode 1297. Longest Common Subsequence, Leetcode 1144. Minimum Number of Moves to Seat Everyone, Leetcode 2038. Maximum Tastiness of Candy Basket, Leetcode 2518. Got a question? Online Majority Element In Subarray, Leetcode 1160. Maximum Average Subarray II, Leetcode 646. 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If the array contains multiple peaks, return the index to any of the peaks. Find the Derangement of An Array, Leetcode 636. Maximum Sum of 3 Non-Overlapping Subarrays, Leetcode 698. Peak element in an array in c - Stack Overflow Palindrome Partitioning III, Leetcode 1281. In this array, the peak element can be either 20 or 90. Complex Number Multiplication, Leetcode 538. Apply Bitwise Operations to Make Strings Equal, Leetcode 2548. Form Smallest Number From Two Digit Arrays, Leetcode 2606. Maximum Sum Circular Subarray, Leetcode 919. Count Nodes With the Highest Score, Leetcode 2052. Make the Prefix Sum Non negative, Leetcode 2600. Maximum Subsequence Score, Leetcode 2543. Maximal Score After Applying K Operations, Leetcode 2533. Sum of Nodes with Even-Valued Grandparent, Leetcode 1317. Submitthe part you don't understand to our editors. Sign of the Product of an Array Solution, Leetcode 1823. Left and Right Sum Differences, Leetcode 2575. Equal Row and Column Pairs, Leetcode 2353. Increasing Order Search Tree, Leetcode 902. 22. Shortest Path Visiting All Nodes, Leetcode 849. Find Peak element in Mountain Array or Bitonic Array Range Product Queries of Powers, Leetcode 2439. Number of Ways to Reorder Array to Get Same BST, Leetcode 1570. Kth Largest Element in a Stream, Leetcode 708. Solution to the Problem The problem can be solved using the following two approaches: Using Binary Search Using Linear Search Find Largest Value in Each Tree Row, Leetcode 516. Minimum Operations to Remove Adjacent Ones in Matrix, Leetcode 2124. Minimum Number of Days to Make m Bouquets, Leetcode 1483. Reverse Nodes in Even Length Groups, Leetcode 2076. Maximize Number of Subsequences in a String, Leetcode 2208. Peak Index in a Mountain Arrayhttps://leetcode.com/problems/peak-index-in-a-mountain-array/Binary search https://www.youtube.com/watch?v=RUl_tF. Input: 0 1 2 3 2 1 0 Output: 3 Explanation: the largest element is 3 and its index is 3. adarsh_3099. Removing Stars From a String, Leetcode 2391. Partition Array Such That Maximum Difference Is K, Leetcode 2295. Find The Original Array of Prefix Xor, Leetcode 2434. Length of Longest Fibonacci Subsequence, Leetcode 882. Minimum Lines to Represent a Line Chart, Leetcode 2281. Longest Word With All Prefixes, Leetcode 1863. Maximum Product of Splitted Binary Tree, Leetcode 1343. Minimum Cuts to Divide a Circle, Leetcode 2482. Number of Visible People in a Queue, Leetcode 1946. Sum of Beauty in the Array, Leetcode 2014. Longest Palindrome by Concatenating Two Letter Words, Leetcode 2133. Maximum White Tiles Covered by a Carpet, Leetcode 2272. We compare the current element at index i with the next element at index i + 1. Minimum Path Cost in a Hidden Grid Solution, Leetcode 1811. N-Repeated Element in Size 2N Array, Leetcode 964. For corner elements, we can consider the only neighbour present. Count Unguarded Cells in the Grid, Leetcode 2258. Number of Dice Rolls With Target Sum, Leetcode 1156. Minimum Number of Operations to Reinitialize a Permutation Solution, Leetcode 1807. Find Peak Element Medium Find in Mountain Array Hard Minimum Number of Removals to Make Mountain Array Hard If array[i] > array[i-1] and array[i] > array[i+1], then array[i] is a peak. Maximum Number of Non-Overlapping Subarrays With Sum Equals Target, Leetcode 1547. 1 Answer Sorted by: 0 You don't initialize mid_num, which causes undefined behavior. Because the largest element in the array is 110 whose index is 3. Sentence Similarity III Solution, Leetcode 1814. Moving Stones Until Consecutive, Leetcode 1038. Path with Maximum Probability, Leetcode 1515. Number of Valid Words in a Sentence, Leetcode 2048. Minimum Sideway Jumps Solution, Leetcode 1827. Count Total Number of Colored Cells, Leetcode 2580. Maximum Value after Insertion, Leetcode 1882. Number of Burgers with No Waste of Ingredients, LeetCode 1277. 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Difference Between Element Sum and Digit Sum of an Array, Leetcode 2536. Find the Peak Element | C++ Placement Course | Lecture 29.5 Apna College 3.29M subscribers Subscribe 872 34K views 1 year ago C++ Full Course | C++ Tutorial | Data Structures & Algorithms. Construct Binary Tree from Preorder and Postorder Traversal, Leetcode 893. Minimum Remove to Make Valid Parentheses, Leetcode 1250. Merge BSTs to Create Single BST, Leetcode 1935. If we reach the end, then array is a valid mountain, otherwise, it's not. Time Taken to Cross the Door, Leetcode 2535. Maximum Sum of an Hourglass, Leetcode 2430. Detonate the Maximum Bombs, Leetcode 2102. Monotonic arrays are sorted in ascending or descending order, but in bitonic or mountain arrays some elements are in ascending order and then descending order. Move Sub-Tree of N-Ary Tree, Leetcode 1519. Maximum Profit From Trading Stocks, Leetcode 2294. Maximum Running Time of N Computers, Leetcode 2143. Find Servers That Handled Most Number of Requests, Leetcode 1610. Removing Minimum and Maximum From Array, Leetcode 2092. Destroy Sequential Targets, Leetcode 2455. Count All Valid Pickup and Delivery Options, Leetcode 1361. Step-By-Step Directions From a Binary Tree Node to Another Solution, Leetcode 2097. And we already know how to do this from Find the First True in a Sorted Boolean Array module. Split a String Into the Max Number of Unique Substrings, Leetcode 1594. Find the Peak Element in a 2D Array/Matrix - GeeksforGeeks Minimum Insertion Steps to Make a String Palindrome, Leetcode 1313. Pairs of Songs With Total Durations Divisible by 60, Leetcode 1011. A peak element in a 2D grid is an element that is strictly greater than all of its adjacent neighbors to the left, right, top, and bottom. Maximum Difference by Remapping a Digit, Leetcode 2567. Elements in Array After Removing and Replacing Elements, Leetcode 2114. Sum of Digits in Base K Solution, Leetcode 1838. Maximum Value of K Coins From Piles, Leetcode 2219. Counting Words With a Given Prefix, Leetcode 2186. Numbers At Most N Given Digit Set, Leetcode 903. Kth Smallest Product of Two Sorted Arrays, Leetcode 2042. Minimum XOR Sum of Two Arrays, Leetcode 1881. Insert into a Cyclic Sorted List, Leetcode 711. Cycle Length Queries in a Tree, Leetcode 2510. Substrings That Begin and End With the Same Letter, Leetcode 2085. Construct Binary Tree from String, Leetcode 537. Prime Number of Set Bits in Binary Representation, Leetcode 768. Design Movie Rental System, Leetcode 1913. Minimize Hamming Distance After Swap Operations Solution, Leetcode 1724. Find a Peak Element II - LeetCode Find Closest Node to Given Two Nodes, Leetcode 2361. Find Leaves of Binary Tree Solution, LeetCode 419. Can Make Arithmetic Progression From Sequence, Leetcode 1503. GOOGLE - FIND PEAK ELEMENT (LeetCode) - YouTube Find the Peak Element from an Array - TutorialCup Count Subarrays With Score Less Than K, Leetcode 2303. Smallest Subtree with all the Deepest Nodes, Leetcode 871. Smallest Missing Genetic Value in Each Subtree, Leetcode 2005. Delete the Middle Node of a Linked List, LeetCode 2096. Rearrange Array to Maximize Prefix Score, Leetcode 2588. Maximum of Absolute Value Expression, Leetcode 1135. Max Chunks To Make Sorted II, Leetcode 774. Sum of Mutated Array Closest to Target, Leetcode 1301. If 1 is returned then the generated output will be 1 else 0. Subarray With Elements Greater Than Varying Threshold, Leetcode 2335. Number of Steps to Reduce a Number in Binary Representation to One, Leetcode 1409. Largest Number After Mutating Substring, Leetcode 1947. Minimum Moves to Reach Target Score, Leetcode 2140. Find the City With the Smallest Number of Neighbors at a Threshold Distance, Leetcode 1335. 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We can pad the array with an imaginary node of negative infinity. Longest Common Subsequence Between Sorted Arrays, Leetcode 1942. Minimum Sum of Squared Difference, Leetcode 2334. Count the Number of Good Subarrays, Leetcode 2539. Root Equals Sum of Children, Leetcode 2237. In an array, an element is a peak element, if the element is greater than both the neighbours. Successful Pairs of Spells and Potions, Leetcode 2301. Number of Smooth Descent Periods of a Stock, Leetcode 2111. Minimum Number of Increments on Subarrays to Form a Target Array, Leetcode 1530. Maximum Alternating Subsequence Sum, Leetcode 1912. Minimum Deletions to Make Array Beautiful, Leetcode 2217. Find Positive Integer Solution for a Given Equation, Leetcode 1238. Preimage Size of Factorial Zeroes Function, Leetcode 795. Removing Minimum Number of Magic Beans, Leetcode 2174. Minimum Distance Between BST Nodes, Leetcode 786. Minimum Moves to Reach Target with Rotations, Leetcode 1213. Maximum Enemy Forts That Can Be Captured, Leetcode 2515. Lowest Common Ancestor of a Binary Tree IV, Leetcode 1682. K Divisible Elements Subarrays, Leetcode 2263. Minimum Garden Perimeter to Collect Enough Apples, Leetcode 1955. Maximum Ascending Subarray Sum Solution, Leetcode 1801. Max Sum of a Pair With Equal Sum of Digits, Leetcode 2343. This video shows how to solve the problem Peak index in a mountain array. Maximum Path Quality of a Graph, Leetcode 2067. Minimum Domino Rotations For Equal Row, Leetcode 1008. Convert BST to Greater Tree, Leetcode 540. Find Original Array From Doubled Array, Leetcode 2008. Maximum Length of Repeated Subarray, Leetcode 719. Minimum Operations to Make a Subsequence Solution, Leetcode 1714. because the neighbors of both the elements (10, 15 in case of 20 and 23, 67 in case of 90) are smaller than the element itself. Path With Maximum Minimum Value, Leetcode 1103. Total Cost to Hire K Workers, Leetcode 2464. Maximum Star Sum of a Graph, Leetcode 2499. An item is said to be a peak element when it is greater than or equal with all four neighbor of that element. Find Winner on a Tic Tac Toe Game, Leetcode 1276. Remove Colored Pieces if Both Neighbors are the Same Color, Leetcode 2039. Count Pairs With XOR in a Range Solution, Leetcode 1805. Maximum Difference Between Increasing Elements, Leetcode 2018. Shortest Distance to Target String in a Circular Array, Leetcode 2516. Count Number of Special Subsequences, Leetcode 1959. Remove All Ones With Row and Column Flips Solution, Leetcode 2130. First Day Where You Have Been in All the Rooms, Leetcode 1999. Maximum Value of a String in an Array, Leetcode 2497. Count the Digits That Divide a Number, Leetcode 2521. Frequency of the Most Frequent Element Solution, Leetcode 1839. Calculate Digit Sum of a String, Leetcode 2244. Minimum Swaps to Make Strings Equal, Leetcode 1248. Maximum Matching of Players With Trainers, Leetcode 2411. 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