| Finding Pairs With a Certain Sum | Open ↗ |
| Finding the Number of Visible Mountains | Open ↗ |
| Finding the Topic of Each Post | Open ↗ |
| Finding the Users Active Minutes | Open ↗ |
| Find in Mountain Array | Open ↗ |
| Find Interview Candidates | Open ↗ |
| Find K Closest Elements | Open ↗ |
| Find K-Length Substrings With No Repeated Characters | Open ↗ |
| Find K Pairs with Smallest Sums | Open ↗ |
| Find Kth Bit in Nth Binary String | Open ↗ |
| Find Kth Largest XOR Coordinate Value | Open ↗ |
| Find K-th Smallest Pair Distance | Open ↗ |
| Find Largest Value in Each Tree Row | Open ↗ |
| Find Latest Group of Size M | Open ↗ |
| Find Leaves of Binary Tree | Open ↗ |
| Find Longest Awesome Substring | Open ↗ |
| Find Longest Self-Contained Substring | Open ↗ |
| Find Longest Special Substring That Occurs Thrice I | Open ↗ |
| Find Longest Special Substring That Occurs Thrice II | Open ↗ |
| Find Lucky Integer in an Array | Open ↗ |
| Find Maximal Uncovered Ranges | Open ↗ |
| Find Maximum Area of a Triangle | Open ↗ |
| Find Maximum Non-decreasing Array Length | Open ↗ |
| Find Maximum Number of Non Intersecting Substrings | Open ↗ |
| Find Maximum Removals From Source String | Open ↗ |
| Find Maximum Value in a Constrained Sequence | Open ↗ |
| Find Median from Data Stream | Open ↗ |
| Find Median Given Frequency of Numbers | Open ↗ |
| Find Minimum Cost to Remove Array Elements | Open ↗ |
| Find Minimum Diameter After Merging Two Trees | Open ↗ |
| Find Minimum in Rotated Sorted Array | Open ↗ |
| Find Minimum in Rotated Sorted Array II | Open ↗ |
| Find Minimum Operations to Make All Elements Divisible by Three | Open ↗ |
| Find Minimum Time to Finish All Jobs | Open ↗ |
| Find Minimum Time to Finish All Jobs II | Open ↗ |
| Find Minimum Time to Reach Last Room I | Open ↗ |
| Find Minimum Time to Reach Last Room II | Open ↗ |
| Find Mirror Score of a String | Open ↗ |
| Find Missing and Repeated Values | Open ↗ |
| Find Missing Elements | Open ↗ |
| Find Missing Observations | Open ↗ |
| Find Mode in Binary Search Tree | Open ↗ |
| Find Most Frequent Vowel and Consonant | Open ↗ |
| Find Nearest Point That Has the Same X or Y Coordinate | Open ↗ |
| Find Nearest Right Node in Binary Tree | Open ↗ |
| Find Nth Smallest Integer With K One Bits | Open ↗ |
| Find Number of Coins to Place in Tree Nodes | Open ↗ |
| Find Number of Ways to Reach the K-th Stair | Open ↗ |
| Find Numbers with Even Number of Digits | Open ↗ |
| Find N Unique Integers Sum up to Zero | Open ↗ |
| Find Occurrences of an Element in an Array | Open ↗ |
| Find Original Array From Doubled Array | Open ↗ |
| Find Palindrome With Fixed Length | Open ↗ |
| Find Pattern in Infinite Stream I | Open ↗ |
| Find Pattern in Infinite Stream II | Open ↗ |
| Find Peak Calling Hours for Each City | Open ↗ |
| Find Peak Element | Open ↗ |
| Find Permutation | Open ↗ |
| Find Pivot Index | Open ↗ |
| Find Players With Zero or One Losses | Open ↗ |
| Find Polygon With the Largest Perimeter | Open ↗ |
| Find Positive Integer Solution for a Given Equation | Open ↗ |
| Find Product Recommendation Pairs | Open ↗ |
| Find Products of Elements of Big Array | Open ↗ |
| Find Resultant Array After Removing Anagrams | Open ↗ |
| Find Right Interval | Open ↗ |
| Find Root of N-Ary Tree | Open ↗ |
| Find Score of an Array After Marking All Elements | Open ↗ |
| Find Servers That Handled Most Number of Requests | Open ↗ |
| Find Shortest Path with K Hops | Open ↗ |
| Find Smallest Common Element in All Rows | Open ↗ |
| Find Smallest Letter Greater Than Target | Open ↗ |
| Find Special Substring of Length K | Open ↗ |
| Find Students Who Improved | Open ↗ |
| Find Subarrays With Equal Sum | Open ↗ |
| Find Subarray With Bitwise OR Closest to K | Open ↗ |
| Find Subsequence of Length K With the Largest Sum | Open ↗ |
| Find Substring With Given Hash Value | Open ↗ |
| Find Sum of Array Product of Magical Sequences | Open ↗ |
| Find Target Indices After Sorting Array | Open ↗ |
| Find the Array Concatenation Value | Open ↗ |
| Find the Celebrity | Open ↗ |
| Find the Child Who Has the Ball After K Seconds | Open ↗ |
| Find the City With the Smallest Number of Neighbors at a Threshold Distance | Open ↗ |
| Find the Closest Palindrome | Open ↗ |
| Find the Count of Good Integers | Open ↗ |
| Find the Count of Monotonic Pairs I | Open ↗ |
| Find the Count of Monotonic Pairs II | Open ↗ |
| Find the Count of Numbers Which Are Not Special | Open ↗ |
| Find the Derangement of An Array | Open ↗ |
| Find the Difference | Open ↗ |
| Find the Difference of Two Arrays | Open ↗ |
| Find the Distance Value Between Two Arrays | Open ↗ |
| Find the Distinct Difference Array | Open ↗ |
| Find the Divisibility Array of a String | Open ↗ |
| Find the Duplicate Number | Open ↗ |
| Find The First Player to win K Games in a Row | Open ↗ |
| Find the Grid of Region Average | Open ↗ |
| Find the Highest Altitude | Open ↗ |
| Find the Index of the First Occurrence in a String | Open ↗ |