| Number | Title(Blog URL) |
|---|---|
| 35 | Search Insert Position |
| 118 | Pascal's Triangle |
| 119 | Pascal's Triangle II |
| 414 | Third Maximum Number |
| 121 | Best Time to Buy and Sell Stock |
| 66 | Plus One |
| 26 | Remove Duplicates from Sorted Array |
| 27 | Remove Element |
| 122 | Best Time to Buy and Sell Stock II |
| 268 | Missing Number |
| 217 | Contains Duplicate |
| 532 | K-diff Pairs in an Array |
| 189 | Rotate Array |
| 169 | Majority Element |
| 167 | Two Sum II - Input array is sorted |
| 88 | Merge Sorted Array |
| 53 | Maximum Subarray |
| 485 | Max Consecutive Ones |
| 283 | Move Zeroes |
| 448 | Find All Numbers Disappeared in an Array |
| 1 | Two Sum |
| 219 | Contains Duplicate II |
| 566 | Reshape the Matrix |
| 561 | Array Partition I |
| Number | Title(Blog URL) |
|---|---|
| 136 | Single number |
| 1 | Two Sum |
| 447 | Number of Boomerangs |
| 463 | Island Perimeter |
| 409 | Longest Palindrome |
| 438 | Find All Anagrams in a String |
| 389 | Find the Difference |
| 350 | Intersection of Two Arrays II |
| 349 | Intersection of Two Arrays |
| 500 | Keyboard Row |
| 217 | Contains Duplicate |
| 204 | Count Primes |
| 202 | Happy Number |
| 219 | Contains Duplicate II |
| 242 | Valid Anagram |
| 290 | Word Pattern |
| 205 | Isomorphic Strings |
| Number | Title(Blog URL) |
|---|---|
| 141 | Linked List Cycle |
| 237 | Delete Node in a Linked List |
| 83 | Remove Duplicates from Sorted List |
| 160 | Intersection of Two Linked Lists |
| 203 | Remove Linked List Elements |
| 206 | Reverse Linked List |
| 234 | Palindrome Linked List |
| 21 | Merge Two Sorted Lists |
| Number | Title(Blog URL) |
|---|---|
| 231 | Power of Two |
| 268 | Missing Number |
| 507 | Perfect Number |
| 9 | Palindrome Number |
| 453 | Minimum Moves to Equal Array Elements |
| 13 | Roman to Integer |
| 441 | Arranging Coins |
| 415 | Add Strings |
| 400 | Nth Digit |
| 367 | Valid Perfect Square |
| 66 | Plus One |
| 7 | Reverse Integer |
| 204 | Count Primes |
| 202 | Happy Number |
| 172 | Factorial Trailing Zeroes |
| 171 | Excel Sheet Column Number |
| 168 | Excel Sheet Column Title |
| 258 | Add Digits |
| 263 | Ugly Number |
| 69 | Sqrt(x) |
| 67 | Add Binary |
| 246 | Strobogrammatic Number |
| 326 | Power of Three |
| Number | Title(Blog URL) |
|---|---|
| 345 | Reverse Vowels of a String |
| 125 | Valid Palindrome |
| 283 | Move Zeroes |
| 88 | Merge Sorted Array |
| 234 | Palindrome Linked List |
| 349 | Intersection of Two Arrays |
| 167 | Two Sum II - Input array is sorted |
| 350 | Intersection of Two Arrays II |
| 344 | Reverse String |
| 28 | Implement strStr() |
| 27 | Remove Element |
| 26 | Remove Duplicates from Sorted Array |
| 141 | Linked List Cycle |
| 532 | K-diff Pairs in an Array |
| Number | Title(Blog URL) |
|---|---|
| 58 | Length of Last Word |
| 20 | Valid Parentheses |
| 520 | Detect Capital |
| 459 | Repeated Substring Pattern |
| 434 | Number of Segments in a String |
| 408 | Valid Word Abbreviation |
| 13 | Roman to Integer |
| 14 | Longest Common Prefix |
| 383 | Ransom Note |
| 521 | Longest Uncommon Subsequence I |
| 345 | Reverse Vowels of a String |
| 28 | Implement strStr() |
| 344 | Reverse String |
| 293 | Flip Game |
| 38 | Count and Say |
| 157 | Read N Characters Given Read4 |
| 541 | Reverse String II |
| 125 | Valid Palindrome |
| 67 | Add Binary |
| Number | Title(Blog URL) | Pass Rate | Degree |
|---|---|---|---|
| 225 | Implement Stack using Queues | 32.0% | Easy |
| 496 | Next Greater Element I | 57.5% | Easy |
| 155 | Min Stack | 27.4% | Easy |
| 232 | Implement Queue using Stacks | 35.8% | Easy |
| 20 | Valid Parentheses | 32.9% | Easy |
| Number | Title(Blog URL) | Pass Rate | Degree |
|---|---|---|---|
| 367 | Valid Perfect Square | 37.8% | Easy |
| 270 | Closest Binary Search Tree Value | 38.8% | Easy |
| 167 | Two Sum II - Input array is sorted | 47.4% | Easy |
| 441 | Arranging Coins | 36.0% | Easy |
| 35 | Search Insert Position | 39.3% | Easy |
| 374 | Guess Number Higher or Lower | 34.4% | Easy |
| 69 | Sqrt(x) | 27.4% | Easy |
| 278 | First Bad Version | 24.8% | Easy |
| 475 | Heaters | 29.7% | Easy |
| 350 | Intersection of Two Arrays II | 44.1% | Easy |
| 349 | Intersection of Two Arrays | 46.5% | Easy |
| Number | Title(Blog URL) | Pass Rate | Degree |
|---|---|---|---|
| 53 | Maximum Subarray | 39.2% | Easy |
| 169 | Majority Element | 45.6% | Easy |
| 303 | Range Sum Query - Immutable | 27.8% | Easy |
| 276 | Paint Fence | 34.1% | Easy |
| 523 | Continuous Subarray Sum | 21.6% | Easy |
| 256 | Paint House | 45.9% | Easy |
| 198 | House Robber | 38.1% | Easy |
| 121 | Best Time to Buy and Sell Stock | 40.1% | Easy |
| 70 | Climbing Stairs | 39.2% | Easy |
| Number | Title(Blog URL) | Pass Rate | Degree |
|---|---|---|---|
| 107 | Binary Tree Level Order Traversal II | 39.0% | Easy |
| 257 | Binary Tree Paths | 36.8% | Easy |
| 501 | Find Mode in Binary Search Tree | 38.4% | Easy |
| 437 | Path Sum III | 39.3% | Easy |
| 404 | Sum of Left Leaves | 46.5% | Easy |
| 112 | Path Sum | 33.5% | Easy |
| 110 | Balanced Binary Tree | 36.8% | Easy |
| 108 | Convert Sorted Array to Binary Search Tree | 41.3% | Easy |
| 543 | Diameter of Binary Tree | 42.3% | Easy |
| 226 | Invert Binary Tree | 50.8% | Easy |
| 235 | Lowest Common Ancestor of a Binary Search Tree | 38.5% | Easy |
| 104 | Maximum Depth of Binary Tree | 51.7% | Easy |
| 111 | Minimum Depth of Binary Tree | 32.7% | Easy |
| 101 | Symmetric Tree | 37.9% | Easy |
| 100 | Same Tree | 45.8% | Easy |