Ayu_CodeStreak # Title Solutions Video Difficulty Tag 287 Find the Duplicate Number Solution Medium 75 Sort Colors Solution Medium 268 Missing Number Solution Easy 7 Reverse Integer Solution Easy 190 Reverse Bits Solution Easy 13 Roman to Integer Solution Easy 27 Remove Element Solution Easy 1480 Running Sum of 1d Array Solution Easy 1512 Number of Good Pairs Solution Easy 88 Merge Sorted Array Solution Easy 1137 N-th Tribonacci Number Solution Easy 1089 Duplicate Zeros Solution Easy 118 Pascal's Triangle Solution Easy 121 Best Time to Buy and Sell Stock Solution Easy 448 Find All Numbers Disappeared in an Array Solution Easy 136 Single Number Solution Easy 70 Climbing Stairs Solution Easy 53 Maximum Subarray Solution Easy 141 Linked List Cycle Solution Easy 234 Palindrome Linked List Solution Easy 203 Remove Linked List Elements Solution Easy 83 Remove Duplicates from Sorted List Solution Easy 206 Reverse Linked List Solution Easy 21 Merge Two Sorted Lists Solution Easy 704 Binary Search Solution Easy 744 Find Smallest Letter Greater Than Target Solution Easy 108 Convert Sorted Array to Binary Search Tree Solution Easy 46 Permutations Solution Medium 1290 Convert Binary Number in a Linked List to Integer Solution Easy 897 Increasing Order Search Tree Solution Easy 876 Middle of the Linked List Solution Easy 01 Two Sum Solution Easy 238 Product of Array Except Self Solution Medium 28 Implement strStr Solution Easy 387 First Unique Character in a String Solution Easy 24 Swap Nodes in Pairs Solution Medium 58 Length of Last Word Solution Easy 39 Combination Sum Solution Medium 35 Search Insert Position Solution Easy 67 Add Binary Solution Easy 62 Unique Path Solution Medium 49 Group Anagrams Solution Medium 1486 XOR Operation in an Array Solution Easy 237 Delete Node in a Linked List Solution Easy 1351 Count Negative Numbers in a Sorted Matrix Solution Easy 1669 Merge In Between Linked Lists Solution Medium 2 Add Two Numbers Solution Medium 1143 Longest Common Subsequence Solution Medium 1365 How Many Numbers Are Smaller Than the Current Number Solution Easy 128 Longest Consecutive Sequence Solution Medium 442 Find All Duplicates in an Array Solution Medium 73 Set Matrix Zeroes Solution Medium 844 Backspace String Compare Solution Easy 92 Reverse Linked List II Solution Medium 19 Remove Nth Node From End of List Solution Medium 22 Generate Parentheses Solution Medium 77 Combinations Solution Medium 104 Maximum Depth of Binary Tree Solution Easy 96 Unique Binary Search Trees Solution Medium 120 Triangle Solution Medium 100 Same Tree Solution Easy 147 Insertion Sort List Solution Medium 148 Sort List Solution Medium