| 477 |
Total Hamming Distance |
44.10% |
Meidum |
| 475 |
Heaters |
30.20% |
Easy |
| 474 |
Ones and Zeroes |
34.90% |
Meidum |
| 473 |
Matchsticks to Square |
31.80% |
Medium |
| 472 |
Concatenated Words |
29.20% |
Hard |
| 471 |
Encode String with Shortest Length $ |
43.50% |
Hard |
| 469 |
Convex Polygon $ |
27.20% |
Medium |
| 468 |
Validate IP Address |
22.10% |
Medium |
| 467 |
Unique Substrings in Wraparound String |
29.90% |
Medium |
| 466 |
Count The Repetitions |
24.20% |
Hard |
| 465 |
Optimal Account Balancing $ |
29.20% |
Hard |
| 464 |
Can I Win |
22.20% |
Medium |
| 463 |
Island Perimeter |
56.70% |
Easy |
| 462 |
Minimum Moves to Equal Array Elements II |
50.90% |
Medium |
| 461 |
Hamming Distance |
73.20% |
Easy |
| 460 |
LFU Cache |
18.30% |
Hard |
| 459 |
Repeated Substring Pattern |
39.70% |
Easy |
| 456 |
132 Pattern |
28.00% |
Medium |
| 455 |
Assign Cookies |
48.10% |
Easy |
| 454 |
4Sum II |
42.80% |
Medium |
| 453 |
Minimum Moves to Equal Array Elements |
46.30% |
Easy |
| 452 |
Minimum Number of Arrows to Burst Balloons |
42.10% |
Medium |
| 451 |
Sort Characters By Frequency |
50.90% |
Medium |
| 450 |
Delete Node in a BST |
34.50% |
Medium |
| 449 |
Serialize and Deserialize BST |
41.20% |
Medium |
| 448 |
Find All Numbers Disappeared in an Array |
58.30% |
Easy |
| 447 |
Number of Boomerangs |
42.20% |
Easy |
| 446 |
Arithmetic Slices II - Subsequence |
22.30% |
Hard |
| 445 |
Add Two Numbers II |
45.40% |
Medium |
| 444 |
Sequence Reconstruction $ |
20.50% |
Medium |
| 442 |
Find All Duplicates in an Array |
46.40% |
Medium |
| 441 |
Arranging Coins |
36.20% |
Easy |
| 440 |
K-th Smallest in Lexicographical Order |
21.50% |
Hard |
| 439 |
Ternary Expression Parser $ |
49.40% |
Medium |
| 438 |
Find All Anagrams in a String |
33.50% |
Easy |
| 437 |
Path Sum III |
38.60% |
Easy |
| 436 |
Find Right Interval |
42.30% |
Medium |
| 435 |
Non-overlapping Intervals |
39.80% |
Medium |
| 434 |
Number of Segments in a String |
38.40% |
Easy |
| 432 |
All O`one Data Structure |
28.30% |
Hard |
| 425 |
Word Squares |
40.10% |
Hard |
| 424 |
Longest Repeating Character Replacement |
38.10% |
Medium |
| 423 |
Reconstruct Original Digits from English |
40.80% |
Medium |
| 422 |
Valid Word Square $ |
36.40% |
Easy |
| 421 |
Maximum XOR of Two Numbers in an Array |
36.40% |
Medium |
| 420 |
Strong Password Checker |
22.10% |
Hard |
| 419 |
Battleships in a Board |
59.30% |
Medium |
| 418 |
Sentence Screen Fitting $ |
25.10% |
Medium |
| 417 |
Pacific Atlantic Water Flow |
31.10% |
Medium |
| 416 |
Partition Equal Subset Sum |
36.80% |
Medium |
| 415 |
Add Strings |
41.50% |
Easy |
| 414 |
Third Maximum Number |
26.50% |
Easy |
| 413 |
Arithmetic Slices |
53.50% |
Medium |
| 412 |
Fizz Buzz |
57.50% |
Easy |
| 411 |
Minimum Unique Word Abbreviation $ |
25.60% |
Hard |
| 410 |
Split Array Largest Sum |
25.00% |
Hard |
| 409 |
Longest Palindrome |
44.90% |
Easy |
| 408 |
Valid Word Abbreviation $ |
26.20% |
Easy |
| 407 |
Trapping Rain Water II |
33.10% |
Hard |
| 406 |
Queue Reconstruction by Height |
54.10% |
Medium |
| 405 |
Convert a Number to Hexadecimal |
41.80% |
Easy |
| 404 |
Sum of Left Leaves |
46.20% |
Easy |
| 403 |
Frog Jump |
31.70% |
Hard |
| 402 |
Remove K Digits |
25.90% |
Medium |
| 401 |
Binary Watch |
43.00% |
Easy |
| 400 |
Nth Digit |
30.70% |
Easy |
| 399 |
Evaluate Division |
34.60% |
Medium |
| 398 |
Random Pick Index |
30.40% |
Medium |
| 397 |
Integer Replacement |
25.90% |
Easy |
| 396 |
Rotate Function |
28.40% |
Easy |
| 395 |
Longest Substring with At Least K Repeating Characters |
32.50% |
Medium |
| 394 |
Decode String |
38.60% |
Medium |
| 393 |
UTF-8 Validation |
33.00% |
Medium |
| 392 |
Is Subsequence |
44.10% |
Medium |
| 391 |
Perfect Rectangle |
13.30% |
Hard |
| 390 |
Elimination Game |
12.50% |
Medium |
| 389 |
Find the Difference |
49.90% |
Easy |
| 388 |
Longest Absolute File Path |
28.30% |
Medium |
| 387 |
First Unique Character in a String |
43.10% |
Easy |
| 386 |
Lexicographical Numbers |
31.00% |
Medium |
| 385 |
Mini Parser |
26.90% |
Medium |
| 384 |
Shuffle an Array |
45.50% |
Medium |
| 383 |
Ransom Note |
44.60% |
Easy |
| 382 |
Linked List Random Node |
48.60% |
Medium |
| 381 |
Insert Delete GetRandom O(1) - Duplicates allowed |
30.90% |
Hard |
| 380 |
Insert Delete GetRandom O(1) |
33.80% |
Medium |
| 379 |
Design Phone Directory $ |
25.80% |
Medium |
| 378 |
Kth Smallest Element in a Sorted Matrix |
40.20% |
Medium |
| 377 |
Combination Sum IV |
37.50% |
Medium |
| 376 |
Wiggle Subsequence |
35.80% |
Medium |
| 375 |
Guess Number Higher or Lower II |
28.30% |
Medium |
| 374 |
Guess Number Higher or Lower |
31.70% |
Easy |
| 373 |
Find K Pairs with Smallest Sums |
25.50% |
Medium |
| 372 |
Super Pow |
30.10% |
Medium |
| 371 |
Sum of Two Integers |
54.00% |
Easy |
| 370 |
Range Addition $ |
49.90% |
Medium |
| 369 |
Plus One Linked List $ |
50.10% |
Medium |
| 368 |
Largest Divisible Subset |
32.00% |
Medium |
| 367 |
Valid Perfect Square |
36.60% |
Medium |
| 366 |
Find Leaves of Binary Tree $ |
53.60% |
Medium |
| 365 |
Water and Jug Problem |
20.10% |
Medium |
| 364 |
Nested List Weight Sum II $ |
47.20% |
Medium |
| 363 |
Max Sum of Rectangle No Larger Than K |
27.00% |
Hard |
| 362 |
Design Hit Counter $ |
48.30% |
Medium |
| 361 |
Bomb Enemy $ |
32.60% |
Medium |
| 360 |
Sort Transformed Array $ |
40.80% |
Medium |
| 359 |
Logger Rate Limiter $ |
56.00% |
Easy |
| 358 |
Rearrange String k Distance Apart $ |
26.90% |
Hard |
| 357 |
Count Numbers with Unique Digits |
42.50% |
Medium |
| 356 |
Line Reflection $ |
28.70% |
Medium |
| 355 |
Design Twitter |
22.20% |
Medium |
| 354 |
Russian Doll Envelopes |
27.10% |
Hard |
| 353 |
Design Snake Game $ |
19.80% |
Medium |
| 352 |
Data Stream as Disjoint Intervals |
34.40% |
Hard |
| 351 |
Android Unlock Patterns $ |
32.00% |
Medium |
| 350 |
Intersection of Two Arrays II |
41.50% |
Easy |
| 349 |
Intersection of Two Arrays |
47.80% |
Easy |
| 348 |
Design Tic-Tac-Toe $ |
45.60% |
Medium |
| 347 |
Top K Frequent Elements |
44.50% |
Medium |
| 346 |
Moving Average from Data Stream $ |
69.20% |
Easy |
| 345 |
Reverse Vowels of a String |
35.30% |
Easy |
| 344 |
Reverse String |
58.90% |
Easy |
| 343 |
Integer Break |
43.60% |
Medium |
| 342 |
Power of Four |
34.10% |
Easy |
| 341 |
Flatten Nested List Iterator $ |
18.70% |
Medium |
| 340 |
Longest Substring with At Most K Distinct Characters $ |
36.30% |
Hard |
| 339 |
Nested List Weight Sum $ |
54.60% |
Easy |
| 338 |
Counting Bits |
55.40% |
Medium |
| 337 |
House Robber III |
37.00% |
Medium |
| 336 |
Palindrome Pairs |
18.70% |
Hard |
| 335 |
Self Crossing |
18.00% |
Medium |
| 334 |
Increasing Triplet Subsequence |
33.20% |
Medium |
| 333 |
Largest BST Subtree $ |
26.50% |
Medium |
| 332 |
Reconstruct Itinerary |
23.40% |
Medium |
| 331 |
Verify Preorder Serialization of a Binary Tree |
31.50% |
Medium |
| 330 |
Patching Array |
28.80% |
Medium |
| 329 |
Longest Increasing Path in a Matrix |
29.50% |
Medium |
| 328 |
Odd Even Linked List |
37.80% |
Easy |
| 327 |
Count of Range Sum |
24.30% |
Hard |
| 326 |
Power of Three |
35.30% |
Easy |
| 325 |
Maximum Size Subarray Sum Equals k $ |
39.60% |
Easy |
| 324 |
Wiggle Sort II |
20.10% |
Medium |
| 323 |
Number of Connected Components in an Undirected Graph $ |
43.30% |
Medium |
| 322 |
Coin Change |
24.90% |
Medium |
| 321 |
Create Maximum Number |
19.10% |
Hard |
| 320 |
Generalized Abbreviation $ |
40.40% |
Medium |
| 319 |
Bulb Switcher |
39.20% |
Medium |
| 318 |
Maximum Product of Word Lengths |
38.70% |
Medium |
| 317 |
Shortest Distance from All Buildings $ |
29.10% |
Hard |
| 316 |
Remove Duplicate Letters |
23.00% |
Medium |
| 315 |
Count of Smaller Numbers After Self |
28.20% |
Hard |
| 314 |
Binary Tree Vertical Order Traversal $ |
30.10% |
Medium |
| 313 |
Super Ugly Number |
31.20% |
Medium |
| 312 |
Burst Balloons |
24.50% |
Medium |
| 311 |
Sparse Matrix Multiplication $ |
40.00% |
Medium |
| 310 |
Minimum Height Trees |
20.20% |
Medium |
| 309 |
Best Time to Buy and Sell Stock with Cooldown |
32.60% |
Medium |
| 308 |
Range Sum Query 2D - Mutable $ |
20.30% |
Hard |
| 307 |
Range Sum Query - Mutable |
14.50% |
Medium |
| 306 |
Additive Number |
23.30% |
Medium |
| 305 |
Number of Islands II $ |
26.70% |
Hard |
| 304 |
Range Sum Query 2D - Immutable |
21.50% |
Medium |
| 303 |
Range Sum Query - Immutable |
25.70% |
Easy |
| 302 |
Smallest Rectangle Enclosing Black Pixels $ |
36.70% |
Hard |
| 301 |
Remove Invalid Parentheses |
27.00% |
Hard |
| 300 |
Longest Increasing Subsequence |
31.50% |
Medium |
| 299 |
Bulls and Cows |
23.80% |
Easy |
| 298 |
Binary Tree Longest Consecutive Sequence $ |
32.20% |
Medium |
| 297 |
Serialize and Deserialize Binary Tree |
23.80% |
Medium |
| 296 |
Best Meeting Point $ |
41.40% |
Hard |
| 295 |
Find Median from Data Stream |
18.60% |
Hard |
| 294 |
Flip Game II $ |
38.10% |
Medium |
| 293 |
Flip Game $ |
47.60% |
Easy |
| 292 |
Nim Game |
49.50% |
Easy |
| 291 |
Word Pattern II $ |
31.50% |
Hard |
| 290 |
Word Pattern |
26.50% |
Easy |
| 289 |
Game of Life |
32.60% |
Medium |
| 288 |
Unique Word Abbreviation $ |
16.80% |
Easy |
| 287 |
Find the Duplicate Number |
32.80% |
Hard |
| 286 |
Walls and Gates $ |
29.90% |
Medium |
| 285 |
Inorder Successor in BST $ |
32.50% |
Medium |
| 284 |
Peeking Iterator |
31.00% |
Medium |
| 283 |
Move Zeroes |
41.40% |
Easy |
| 282 |
Expression Add Operators |
18.90% |
Hard |
| 281 |
Zigzag Iterator $ |
37.20% |
Medium |
| 280 |
Wiggle Sort $ |
43.30% |
Medium |
| 279 |
Perfect Squares |
28.80% |
Medium |
| 278 |
First Bad Version |
19.80% |
Easy |
| 277 |
Find the Celebrity $ |
31.70% |
Medium |
| 276 |
Paint Fence $ |
25.00% |
Easy |
| 275 |
H-Index II |
31.40% |
Medium |
| 274 |
H-Index |
25.30% |
Medium |
| 273 |
Integer to English Words |
15.50% |
Medium |
| 272 |
Closest Binary Search Tree Value II $ |
26.90% |
Hard |
| 271 |
Encode and Decode Strings $ |
25.40% |
Medium |
| 270 |
Closest Binary Search Tree Value $ |
29.40% |
Easy |
| 269 |
Alien Dictionary $ |
16.50% |
Hard |
| 268 |
Missing Number |
34.70% |
Medium |
| 267 |
Palindrome Permutation II $ |
22.50% |
Medium |
| 266 |
Palindrome Permutation $ |
45.80% |
Easy |
| 265 |
Paint House II $ |
30.00% |
Hard |
| 264 |
Ugly Number II |
21.60% |
Medium |
| 263 |
Ugly Number |
32.6% |
Easy |
| 262 |
Trips and Users * |
16.10% |
Hard |
| 261 |
Graph Valid Tree $ |
25.40% |
Medium |
| 260 |
Single Number III |
37.60% |
Medium |
| 259 |
3Sum Smaller $ |
34.20% |
Medium |
| 258 |
Add Digits |
46.50% |
Easy |
| 257 |
Binary Tree Paths |
21.90% |
Easy |
| 256 |
Paint House $ |
38.40% |
Medium |
| 255 |
Verify Preorder Sequence in Binary Search Tree $ |
32.30% |
Medium |
| 254 |
Factor Combinations $ |
29.00% |
Medium |
| 253 |
Meeting Rooms II $ |
28.80% |
Medium |
| 252 |
Meeting Rooms $ |
35.40% |
Easy |
| 251 |
Flatten 2D Vector $ |
28.30% |
Medium |
| 250 |
Count Univalue Subtrees $ |
32.70% |
Medium |
| 249 |
Group Shifted Strings $ |
25.20% |
Easy |
| 248 |
Strobogrammatic Number III $ |
21.80% |
Hard |
| 247 |
Strobogrammatic Number II $ |
26.70% |
Medium |
| 246 |
Strobogrammatic Number $ |
31.60% |
Easy |
| 245 |
Shortest Word Distance III $ |
43.20% |
Medium |
| 244 |
Shortest Word Distance II $ |
33.70% |
Medium |
| 243 |
Shortest Word Distance $ |
41.80% |
Easy |
| 242 |
Valid Anagram |
39.30% |
Easy |
| 241 |
Different Ways to Add Parentheses |
27.10% |
Medium |
| 240 |
Search a 2D Matrix II |
31.40% |
Medium |
| 239 |
Sliding Window Maximum |
24.30% |
Hard |
| 238 |
Product of Array Except Self |
42.40% |
Medium |
| 237 |
Delete Node in a Linked List |
50.90% |
Easy |
| 236 |
Lowest Common Ancestor of a Binary Tree |
28.30% |
Medium |
| 235 |
Lowest Common Ancestor of a Binary Search Tree |
38.90% |
Medium |
| 234 |
Palindrome Linked List |
23.80% |
Easy |
| 233 |
Number of Digit One |
16.10% |
Medium |
| 232 |
Implement Queue using Stacks |
37.40% |
Easy |
| 231 |
Power of Two |
31.30% |
Easy |
| 230 |
Kth Smallest Element in a BST |
30.50% |
Medium |
| 229 |
Majority Element II |
30.50% |
Medium |
| 228 |
Summary Ranges |
21.10% |
Easy |
| 227 |
Basic Calculator II |
18.00% |
Medium |
| 226 |
Invert Binary Tree |
35.40% |
Easy |
| 225 |
Implement Stack using Queues |
29.60% |
Medium |
| 224 |
Basic Calculator |
15.80% |
Medium |
| 223 |
Rectangle Area |
25.60% |
Easy |
| 222 |
Count Complete Tree Nodes |
19.40% |
Medium |
| 221 |
Maximal Square |
20.30% |
Medium |
| 220 |
Contains Duplicate III |
15.30% |
Medium |
| 219 |
Contains Duplicate II |
25.60% |
Easy |
| 218 |
The Skyline Problem |
16.20% |
Hard |
| 217 |
Contains Duplicate |
35.90% |
Easy |
| 216 |
Combination Sum III |
27.70% |
Medium |
| 215 |
Kth Largest Element in an Array |
27.30% |
Medium |
| 214 |
Shortest Palindrome |
16.80% |
Hard |
| 213 |
House Robber II |
26.30% |
Medium |
| 212 |
Word Search II |
15.00% |
Hard |
| 211 |
Add and Search Word - Data structure design |
20.70% |
Medium |
| 210 |
Course Schedule II |
19.30% |
Medium |
| 209 |
Minimum Size Subarray Sum |
22.90% |
Medium |
| 208 |
Implement Trie (Prefix Tree) |
24.80% |
Medium |
| 207 |
Course Schedule |
21.70% |
Medium |
| 206 |
Reverse Linked List |
31.50% |
Easy |
| 205 |
Isomorphic Strings |
24.20% |
Easy |
| 204 |
Count Primes |
19.00% |
Easy |
| 203 |
Remove Linked List Elements |
25.80% |
Easy |
| 202 |
Happy Number |
31.40% |
Easy |
| 201 |
Bitwise AND of Numbers Range |
23.30% |
Medium |
| 200 |
Number of Islands |
21.90% |
Medium |
| 199 |
Binary Tree Right Side View |
27.10% |
Medium |
| 198 |
House Robber |
28.80% |
Easy |
| 197 |
Rising Temperature * |
25.90% |
Easy |
| 196 |
Delete Duplicate Emails * |
19.00% |
Easy |
| 195 |
Tenth Line # |
32.20% |
Easy |
| 194 |
Transpose File # |
21.40% |
Medium |
| 193 |
Valid Phone Numbers # |
24.40% |
Easy |
| 192 |
Word Frequency # |
26.10% |
Medium |
| 191 |
Number of 1 Bits |
37.30% |
Easy |
| 190 |
Reverse Bits |
28.40% |
Easy |
| 189 |
Rotate Array |
17.80% |
Easy |
| 188 |
Best Time to Buy and Sell Stock IV |
17.30% |
Hard |
| 187 |
Repeated DNA Sequences |
19.50% |
Medium |
| 186 |
Reverse Words in a String II $ |
31.10% |
Medium |
| 185 |
Department Top Three Salaries * |
15.20% |
Hard |
| 184 |
Department Highest Salary * |
19.00% |
Medium |
| 183 |
Customers Who Never Order * |
33.70% |
Easy |
| 182 |
Duplicate Emails * |
38.10% |
Easy |
| 181 |
Employees Earning More Than Their Managers * |
41.00% |
Easy |
| 180 |
Consecutive Numbers * |
26.60% |
Medium |
| 179 |
Largest Number |
15.70% |
Medium |
| 178 |
Rank Scores * |
24.60% |
Medium |
| 177 |
Nth Highest Salary * |
16.30% |
Medium |
| 176 |
Second Highest Salary * |
25.00% |
Easy |
| 175 |
Combine Two Tables * |
34.40% |
Easy |
| 174 |
Dungeon Game |
17.70% |
Hard |
| 173 |
Binary Search Tree Iterator |
29.30% |
Medium |
| 172 |
Factorial Trailing Zeroes |
28.40% |
Easy |
| 171 |
Excel Sheet Column Number |
36.50% |
Easy |
| 170 |
Two Sum III - Data structure design $ |
24.70% |
Easy |
| 169 |
Majority Element |
35.00% |
Easy |
| 168 |
Excel Sheet Column Title |
18.10% |
Easy |
| 167 |
Two Sum II - Input array is sorted $ |
43.30% |
Medium |
| 166 |
Fraction to Recurring Decimal |
12.70% |
Medium |
| 165 |
Compare Version Numbers |
15.20% |
Easy |
| 164 |
Maximum Gap |
24.40% |
Hard |
| 163 |
Missing Ranges $ |
24.10% |
Medium |
| 162 |
Find Peak Element |
31.50% |
Medium |
| 161 |
One Edit Distance $ |
24.00% |
Medium |
| 160 |
Intersection of Two Linked Lists |
28.70% |
Easy |
| 159 |
Longest Substring with At Most Two Distinct Characters $ |
30.20% |
Hard |
| 158 |
Read N Characters Given Read4 II - Call multiple times $ |
22.30% |
Hard |
| 157 |
Read N Characters Given Read4 $ |
29.80% |
Easy |
| 156 |
Binary Tree Upside Down $ |
34.30% |
Medium |
| 155 |
Min Stack |
18.50% |
Easy |
| 154 |
Find Minimum in Rotated Sorted Array II |
31.90% |
Hard |
| 153 |
Find Minimum in Rotated Sorted Array |
33.30% |
Medium |
| 152 |
Maximum Product Subarray |
19.40% |
Medium |
| 151 |
Reverse Words in a String |
15.10% |
Medium |
| 150 |
Evaluate Reverse Polish Notation |
21.10% |
Medium |
| 149 |
Max Points on a Line |
12.60% |
Hard |
| 148 |
Sort List |
22.00% |
Medium |
| 147 |
Insertion Sort List |
26.40% |
Medium |
| 146 |
LRU Cache |
15.00% |
Hard |
| 145 |
Binary Tree Postorder Traversal |
32.40% |
Hard |
| 144 |
Binary Tree Preorder Traversal |
36.30% |
Medium |
| 143 |
Reorder List |
21.00% |
Medium |
| 142 |
Linked List Cycle II |
31.40% |
Medium |
| 141 |
Linked List Cycle |
36.30% |
Medium |
| 140 |
Word Break II |
17.70% |
Hard |
| 139 |
Word Break |
23.00% |
Medium |
| 138 |
Copy List with Random Pointer |
25.10% |
Hard |
| 137 |
Single Number II |
35.00% |
Medium |
| 136 |
Single Number |
45.10% |
Medium |
| 135 |
Candy |
20.50% |
Hard |
| 134 |
Gas Station |
25.70% |
Medium |
| 133 |
Clone Graph |
24.00% |
Medium |
| 132 |
Palindrome Partitioning II |
19.70% |
Hard |
| 131 |
Palindrome Partitioning |
26.70% |
Medium |
| 130 |
Surrounded Regions |
14.60% |
Medium |
| 129 |
Sum Root to Leaf Numbers |
30.30% |
Medium |
| 128 |
Longest Consecutive Sequence |
29.40% |
Hard |
| 127 |
Word Ladder |
19.30% |
Medium |
| 126 |
Word Ladder II |
12.90% |
Hard |
| 125 |
Valid Palindrome |
22.00% |
Easy |
| 124 |
Binary Tree Maximum Path Sum |
21.50% |
Hard |
| 123 |
Best Time to Buy and Sell Stock III |
23.90% |
Hard |
| 122 |
Best Time to Buy and Sell Stock II |
38.30% |
Medium |
| 121 |
Best Time to Buy and Sell Stock |
32.60% |
Medium |
| 120 |
Triangle |
27.40% |
Medium |
| 119 |
Pascal's Triangle II |
29.40% |
Easy |
| 118 |
Pascal's Triangle |
30.10% |
Easy |
| 117 |
Populating Next Right Pointers in Each Node II |
32.00% |
Hard |
| 116 |
Populating Next Right Pointers in Each Node |
36.20% |
Medium |
| 115 |
Distinct Subsequences |
26.30% |
Hard |
| 114 |
Flatten Binary Tree to Linked List |
28.80% |
Medium |
| 113 |
Path Sum II |
26.60% |
Medium |
| 112 |
Path Sum |
29.80% |
Easy |
| 111 |
Minimum Depth of Binary Tree |
29.10% |
Easy |
| 110 |
Balanced Binary Tree |
32.00% |
Easy |
| 109 |
Convert Sorted List to Binary Search Tree |
27.90% |
Medium |
| 108 |
Convert Sorted Array to Binary Search Tree |
34.00% |
Medium |
| 107 |
Binary Tree Level Order Traversal II |
31.10% |
Easy |
| 106 |
Construct Binary Tree from Inorder and Postorder Traversal |
26.80% |
Medium |
| 105 |
Construct Binary Tree from Preorder and Inorder Traversal |
26.40% |
Medium |
| 104 |
Maximum Depth of Binary Tree |
45.10% |
Easy |
| 103 |
Binary Tree Zigzag Level Order Traversal |
26.40% |
Medium |
| 102 |
Binary Tree Level Order Traversal |
29.30% |
Easy |
| 101 |
Symmetric Tree |
31.60% |
Easy |
| 100 |
Same Tree |
41.80% |
Easy |
| 99 |
Recover Binary Search Tree |
24.30% |
Hard |
| 98 |
Validate Binary Search Tree |
20.60% |
Medium |
| 97 |
Interleaving String |
20.80% |
Hard |
| 96 |
Unique Binary Search Trees |
36.00% |
Medium |
| 95 |
Unique Binary Search Trees II |
28.00% |
Medium |
| 94 |
Binary Tree Inorder Traversal |
36.20% |
Medium |
| 93 |
Restore IP Addresses |
21.00% |
Medium |
| 92 |
Reverse Linked List II |
26.10% |
Medium |
| 91 |
Decode Ways |
16.40% |
Medium |
| 90 |
Subsets II |
27.70% |
Medium |
| 89 |
Gray Code |
32.80% |
Medium |
| 88 |
Merge Sorted Array |
29.70% |
Easy |
| 87 |
Scramble String |
24.20% |
Hard |
| 86 |
Partition List |
27.50% |
Medium |
| 85 |
Maximal Rectangle |
22.00% |
Hard |
| 84 |
Largest Rectangle in Histogram |
22.60% |
Hard |
| 83 |
Remove Duplicates from Sorted List |
34.50% |
Easy |
| 82 |
Remove Duplicates from Sorted List II |
25.00% |
Medium |
| 81 |
Search in Rotated Sorted Array II |
31.40% |
Medium |
| 80 |
Remove Duplicates from Sorted Array II |
30.50% |
Medium |
| 79 |
Word Search |
20.30% |
Medium |
| 78 |
Subsets |
28.20% |
Medium |
| 77 |
Combinations |
30.90% |
Medium |
| 76 |
Minimum Window Substring |
18.90% |
Hard |
| 75 |
Sort Colors |
32.60% |
Medium |
| 74 |
Search a 2D Matrix |
31.60% |
Medium |
| 73 |
Set Matrix Zeroes |
31.40% |
Medium |
| 72 |
Edit Distance |
26.20% |
Hard |
| 71 |
Simplify Path |
20.00% |
Medium |
| 70 |
Climbing Stairs |
34.40% |
Easy |
| 69 |
Sqrt(x) |
23.10% |
Medium |
| 68 |
Text Justification |
14.60% |
Hard |
| 67 |
Add Binary |
24.70% |
Easy |
| 66 |
Plus One |
30.40% |
Easy |
| 65 |
Valid Number |
11.40% |
Hard |
| 64 |
Minimum Path Sum |
32.20% |
Medium |
| 63 |
Unique Paths II |
28.00% |
Medium |
| 62 |
Unique Paths |
32.80% |
Medium |
| 61 |
Rotate List |
21.70% |
Medium |
| 60 |
Permutation Sequence |
22.80% |
Medium |
| 59 |
Spiral Matrix II |
31.80% |
Medium |
| 58 |
Length of Last Word |
28.00% |
Easy |
| 57 |
Insert Interval |
21.40% |
Hard |
| 56 |
Merge Intervals |
22.40% |
Hard |
| 55 |
Jump Game |
27.00% |
Medium |
| 54 |
Spiral Matrix |
20.80% |
Medium |
| 53 |
Maximum Subarray |
34.50% |
Medium |
| 52 |
N-Queens II |
35.80% |
Hard |
| 51 |
N-Queens |
26.50% |
Hard |
| 50 |
Pow(x, n) |
26.70% |
Medium |
| 49 |
Anagrams |
24.30% |
Medium |
| 48 |
Rotate Image |
31.90% |
Medium |
| 47 |
Permutations II |
25.80% |
Hard |
| 46 |
Permutations |
31.90% |
Medium |
| 45 |
Jump Game II |
24.20% |
Hard |
| 44 |
Wildcard Matching |
15.00% |
Hard |
| 43 |
Multiply Strings |
21.00% |
Medium |
| 42 |
Trapping Rain Water |
30.00% |
Hard |
| 41 |
First Missing Positive |
22.90% |
Hard |
| 40 |
Combination Sum II |
25.20% |
Medium |
| 39 |
Combination Sum |
27.90% |
Medium |
| 38 |
Count and Say |
25.20% |
Easy |
| 37 |
Sudoku Solver |
21.80% |
Hard |
| 36 |
Valid Sudoku |
27.20% |
Easy |
| 35 |
Search Insert Position |
35.40% |
Medium |
| 34 |
Search for a Range |
27.50% |
Medium |
| 33 |
Search in Rotated Sorted Array |
28.80% |
Hard |
| 32 |
Longest Valid Parentheses |
20.90% |
Hard |
| 31 |
Next Permutation |
25.00% |
Medium |
| 30 |
Substring with Concatenation of All Words |
19.40% |
Hard |
| 29 |
Divide Two Integers |
15.00% |
Medium |
| 28 |
Implement strStr() |
22.20% |
Easy |
| 27 |
Remove Element |
32.10% |
Easy |
| 26 |
Remove Duplicates from Sorted Array |
31.30% |
Easy |
| 25 |
Reverse Nodes in k-Group |
25.50% |
Hard |
| 24 |
Swap Nodes in Pairs |
32.50% |
Medium |
| 23 |
Merge k Sorted Lists |
21.10% |
Hard |
| 22 |
Generate Parentheses |
32.60% |
Medium |
| 21 |
Merge Two Sorted Lists |
32.70% |
Easy |
| 20 |
Valid Parentheses |
26.50% |
Easy |
| 19 |
Remove Nth Node From End of List |
27.10% |
Easy |
| 18 |
4Sum |
21.70% |
Medium |
| 17 |
Letter Combinations of a Phone Number |
25.80% |
Medium |
| 16 |
3Sum Closest |
26.90% |
Medium |
| 15 |
3Sum |
16.90% |
Medium |
| 14 |
Longest Common Prefix |
25.50% |
Easy |
| 13 |
Roman to Integer |
34.00% |
Easy |
| 12 |
Integer to Roman |
33.80% |
Medium |
| 11 |
Container With Most Water |
32.00% |
Medium |
| 10 |
Regular Expression Matching |
20.70% |
Hard |
| 9 |
Palindrome Number |
28.30% |
Easy |
| 8 |
String to Integer (atoi) |
13.00% |
Easy |
| 7 |
Reverse Integer |
25.10% |
Easy |
| 6 |
ZigZag Conversion |
21.80% |
Easy |
| 5 |
Longest Palindromic Substring |
20.70% |
Medium |
| 4 |
Median of Two Sorted Arrays |
17.40% |
Hard |
| 3 |
Longest Substring Without Repeating Characters |
20.60% |
Medium |
| 2 |
Add Two Numbers |
21.10% |
Medium |
| 1 |
Two Sum |
17.70% |
Medium |