| 01. |
Maximum Sub Array |
November 28 |
| 02. |
Count the Number of Full Binary Trees |
November 29 |
| 03. |
Reorder List |
November 30 |
| 04. |
Rearrange Array Alternately |
December 01 |
| 05. |
if it is possible to convert one string into another with given constraints |
December 02 |
| 06. |
Aggressive Cows |
December 03 |
| 07. |
Alternate Vowel and Consonant String |
December 04 |
| 08. |
Shortest Path by Removing K walls |
December 05 |
| 09. |
Distance of nearest cell having 1 |
December 06 |
| 10. |
k-th smallest element in BST |
December 07 |
| 11. |
3 Divisors |
December 08 |
| 12. |
Black and White |
December 09 |
| 13. |
Build the smallest |
December 10 |
| 14. |
Array Pair Sum Divisibility Problem |
December 11 |
| 15. |
Subarray with given sum |
December 12 |
| 16. |
Split Array Largest Sum |
December 13 |
| 17. |
Complement |
December 14 |
| 18. |
Balanced string |
December 15 |
| 19. |
2D Hopscotch |
December 16 |
| 20. |
Break a number |
December 17 |
| 21. |
A Game of LCM |
December 18 |
| 22. |
Alex Travelling |
December 19 |
| 23. |
A difference of values and indexes |
December 20 |
| 24. |
Absolute List Sorting |
December 21 |
| 25. |
Zero Sum Subarrays |
December 22 |
| 26. |
Burst Balloons |
December 23 |
| 27. |
Wine Buying and Selling |
December 24 |
| 28. |
Missing number in matrix |
December 25 |
| 29. |
Akku and Binary Numbers |
December 26 |
| 30. |
Container With Most |
December 27 |
| 31. |
Largest subtree sum in a tree |
December 28 |
| 32. |
Asteroid Collision |
December 29 |
| 33. |
Single valued subtree |
December 30 |
| 34. |
Find minimum number of Laptops required |
December 31 |
| 35. |
Count even length |
January 01 |
| 36. |
Maximum Value |
January 02 |
| 37. |
Minimize number of Students to be removed |
January 03 |
| 38. |
Maximum Profit By Choosing A Subset Of Intervals |
January 04 |
| 39. |
Find the longest string |
January 05 |
| 40. |
Shortest Prime Path |
January 06 |
| 41. |
Flattening a Linked List |
January 07 |
| 42. |
Absolute difference divisible by K |
January 08 |
| 43. |
Last modified ball |
January 09 |
| 44. |
Transform to Sum Tree |
January 10 |
| 45. |
Make array elements unique |
January 11 |
| 46. |
Minimize the sum |
January 12 |
| 47. |
Count Lucky Permutations |
January 13 |
| 48. |
Maximum Number of Toys |
January 14 |
| 49. |
Count the Substring |
January 15 |
| 50. |
Next Greater Element |
January 16 |
| 51. |
Find the maximum GCD of the siblings of a Binary Tree |
January 17 |
| 52. |
Find the first node of loop in linked list |
January 18 |
| 53. |
Carpet into Box |
January 19 |
| 54. |
Maximum Weight Node |
January 20 |
| 55. |
Minimum X (xor) A |
January 21 |
| 56. |
GCD Array |
January 22 |
| 57. |
Geeks And The String |
January 23 |
| 58. |
Convert an array to reduced form |
January 24 |
| 59. |
Type it! |
January 25 |
| 60. |
Case-specific Sorting of Strings |
January 26 |
| 61. |
Total Decoding Messages |
January 27 |
| 62. |
Scrambled String |
January 28 |
| 63. |
Min operations |
January 29 |
| 64. |
Select Nodes |
January 30 |
| 65. |
Minimum times A has to be repeated such that B is a substring of it |
January 31 |
| 66. |
Distinct Coloring |
February 01 |
| 67. |
Largest Sum Cycle |
February 02 |
| 68. |
Last cell in a Matrix |
February 03 |
| 69. |
Max Sum without Adjacents |
February 04 |
| 70. |
Intersection Point in Y Shaped Linked Lists |
February 05 |
| 71. |
BST Downward Traversal |
February 06 |
| 72. |
Length of the longest subarray with positive product |
February 07 |
| 73. |
Count number of free cell |
February 08 |
| 74. |
Maximum Bipartite Matching |
February 09 |
| 75. |
Balloon Everywhere |
February 10 |
| 76. |
Minimum Days |
February 11 |
| 77. |
Prime List |
February 12 |
| 78. |
Arithmetic Number |
February 13 |
| 79. |
Walls Coloring |
February 14 |
| 80. |
Geeks Island |
February 15 |
| 81. |
Good Stones |
February 16 |
| 82. |
Is it Fibonacci |
February 17 |
| 83. |
Apple Sequences |
February 18 |
| 84. |
Fixing Two swapped nodes of a BST |
February 19 |
| 85. |
Count Cyclic Paths |
February 20 |
| 86. |
Fill the Matrix |
February 21 |
| 87. |
Connect Nodes at Same Level |
February 22 |
| 88. |
Unique Paths in a Grid |
February 23 |
| 89. |
Shortest Path Using Atmost One Curved Edge |
February 24 |
| 90. |
Valid Compressed String |
February 25 |
| 91. |
Number of Good Components |
February 26 |
| 92. |
Reverse both parts |
February 27 |
| 93. |
Optimal Array |
February 28 |
| 94. |
Update Queries |
March 01 |
| 95. |
Walls Coloring II |
March 02 |
| 96. |
Cutting Rectangles |
March 03 |
| 97. |
Best Node |
March 04 |
| 98. |
Avoid Explosion |
March 05 |
| 99. |
Geek hates too many 1s |
March 06 |
| 100. |
Max Level Sum in Binary Tree |
March 07 |
| 101. |
Max min Height |
March 08 |
| 102. |
Find anagrams in linked list |
March 09 |
| 103. |
Maximum Triplet product |
March 10 |
| 104. |
Yet another query problem |
March 11 |
| 105. |
Binary matrix having maximum number of 1s |
March 12 |
| 106. |
Maximum Possible Value |
March 13 |
| 107. |
Maximum Number of coins |
March 14 |
| 108. |
Special Palindrome Substrings |
March 15 |
| 109. |
Second smallest number |
March 16 |
| 110. |
Number of Subarrays of 0’s |
March 17 |
| 111. |
Median of the Subarrays |
March 18 |
| 112. |
Distinct Difference |
March 19 |
| 113. |
Shortest XY distance in Grid |
March 20 |
| 114. |
Taxi Booking |
March 21 |
| 115. |
String rp or pr |
March 22 |
| 116. |
BST Maximum Difference |
March 23 |
| 117. |
Remove and Reverse |
March 24 |
| 118. |
Redundant Parenthesis |
March 25 |
| 119. |
Frogs and Jumps |
March 26 |
| 120. |
Divide in Incremental Groups |
March 27 |
| 121. |
Shy Geek |
March 28 |
| 122. |
Count the Substrings |
March 29 |
| 123. |
Minimum Integer |
March 30 |
| 124. |
Even Swap |
March 31 |
| 125. |
Make Array Elements Equal |
April 01 |
| 126. |
Knight in Geekland |
April 02 |
| 127. |
Remainder on dividing by 11 |
April 03 |
| 128. |
Minimum Steps Required |
April 04 |
| 129. |
Count Special Numbers |
April 05 |
| 130. |
Equal Left and Right Subarray Sum |
April 06 |
| 131. |
Add Minimum Characters |
April 07 |
| 132. |
Make the array beautiful |
April 08 |
| 133. |
Special Digits |
April 09 |
| 134. |
Maximum Intersecting Lines |
April 10 |
| 135. |
Maximum Length |
April 11 |
| 136. |
Dominant Pairs |
April 12 |
| 137. |
Partition the Array |
April 13 |
| 138. |
Remove the balls |
April 14 |
| 139. |
Find Total Time Taken |
April 15 |
| 140. |
Unequal Arrays |
April 16 |
| 141. |
Job Sequencing Problem |
April 17 |
| 142. |
Minimum BST Sum Subtree |
April 18 |
| 143. |
Wifi Range |
April 19 |
| 144. |
Bheem Wants Ladoos |
April 20 |
| 145. |
Prefix Suffix String |
April 21 |
| 146. |
Smaller Sum |
April 22 |
| 147. |
Minimum Number |
April 23 |
| 148. |
Nearest smaller tower |
April 24 |
| 149. |
Game Of Subsets |
April 25 |
| 150. |
Seating Arrangement |
April 26 |
| 151. |
Easy Task |
April 27 |
| 152. |
Geek’s Village and Wells |
April 28 |
| 153. |
Find Number |
April 29 |
| 154. |
Powerfull Integer |
April 30 |
| 155. |
Subtree In N-ary Tree |
May 01 |
| 156. |
Cake Distribution Problem |
May 02 |
| 157. |
Make Palindrome |
May 03 |
| 158. |
Max Coins |
May 04 |
| 159. |
Good Subtrees |
May 05 |
| 160. |
Another Coin Change Problem |
May 06 |
| 161. |
String Mirror |
May 07 |
| 162. |
Binary Modulo |
May 08 |
| 163. |
Count Binary Strings With No Consecutive 1s |
May 09 |
| 164. |
Total Cuts |
May 10 |
| 165. |
Palindrome with minimum sum |
May 11 |
| 166. |
Array Operations |
May 12 |
| 167. |
Bit Magic |
May 13 |
| 168. |
Maximum subset sum |
May 14 |
| 169. |
Count Total Setbits |
May 15 |
| 170. |
Cutting Binary String |
May 16 |
| 171. |
Trace Path |
May 17 |
| 172. |
Find number of closed islands |
May 18 |
| 173. |
Find k-th smallest element in given n ranges |
May 19 |
| 174. |
Hands of Straights |
May 20 |
| 175. |
Bus Conductor |
May 21 |
| 176. |
Tree Transformation |
May 22 |
| 177. |
Construct a Full Binary Tree |
May 23 |
| 178. |
Maximum Identical Bowls |
May 24 |
| 179. |
Expression Add Operators |
May 25 |
| 180. |
Express as sum of power of natural numbers |
May 26 |
| 181. |
Modify Linked List-1 |
May 27 |
| 182. |
Nth node from end of linked list |
May 28 |
| 183. |
CamelCase Pattern Matching |
May 29 |
| 184. |
Word Search |
May 30 |
| 185. |
Frequency Game |
May 31 |
| 186. |
Topological sort |
June 01 |
| 187. |
Santa Banta |
June 02 |
| 188. |
Find Maximum Equal sum of Three Stacks |
June 03 |
| 189. |
Reversing the equation |
June 04 |
| 190. |
Find the Closest Element in BST |
June 05 |
| 191. |
Predecessor and Successor |
June 06 |
| 192. |
Least Prime Factor |
June 07 |
| 193. |
Find Kth permutation |
June 08 |
| 194. |
Permutations of a given string |
June 09 |
| 195. |
Arranging the array |
June 10 |
| 196. |
Adding Ones |
June 11 |
| 197. |
Rod Cutting |
June 12 |
| 198. |
k largest elements |
June 13 |
| 199. |
Maximum Diamonds |
June 14 |
| 200. |
Longest Palindrome in a String |
June 15 |
| 201. |
Min Time |
June 16 |
| 202. |
Queue Operations |
June 17 |
| 203. |
Ticket Counter |
June 18 |
| 204. |
Rearrange an array with O(1) extra space |
June 19 |
| 205. |
Matchsticks game |
June 20 |
| 206. |
Reverse Coding |
June 21 |
| 207. |
Lemonade Change |
June 22 |
| 208. |
Task Scheduler |
June 23 |
| 209. |
Prefix match with other strings |
June 24 |
| 210. |
Unique rows in boolean matrix |
June 25 |
| 211. |
nCr |
June 26 |
| 212. |
Union of Two Linked Lists |
June 27 |
| 213. |
Maximum Depth Of Binary Tree |
June 28 |
| 214. |
Next Happy Number |
June 29 |
| 215. |
Is Binary Number Multiple of 3 |
June 30 |
| 216. |
Number of 1 Bits |
July 01 |
| 217. |
Copy Set Bits in Range |
July 02 |
| 218. |
Maximum Index |
July 03 |
| 219. |
Count the subarrays having product less than k |
July 04 |
| 220. |
Stock buy and sell II |
July 05 |
| 221. |
Quick Sort |
July 06 |
| 222. |
Merge Without Extra Space |
July 07 |
| 223. |
Find triplets with zero sum |
July 08 |
| 224. |
Smallest Positive missing number |
July 09 |
| 225. |
Transpose of Matrix |
July 10 |
| 226. |
Find kth element of spiral matrix |
July 11 |
| 227. |
Power Of Numbers |
July 12 |
| 228. |
Unique Number of Occurrences |
July 13 |
| 229. |
Implement two stacks in an array |
July 14 |
| 230. |
Delete middle element of a stack |
July 15 |
| 231. |
Queue Reversal |
July 16 |
| 232. |
First non-repeating character in a stream |
July 17 |
| 233. |
Longest Repeating Subsequence |
July 18 |
| 234. |
Longest Palindromic Subsequence |
July 19 |
| 235. |
Non Repeating Character |
July 20 |
| 236. |
Reverse a Linked List in groups of given size |
July 21 |
| 237. |
Remove duplicates from an unsorted linked list |
July 22 |
| 238. |
Given a linked list of 0s, 1s and 2s, sort it |
July 23 |
| 239. |
Right View of Binary Tree |
July 24 |
| 240. |
Level order traversal in spiral form |
July 25 |
| 241. |
Kth Ancestor in a Tree |
July 26 |
| 242. |
Heap Sort |
July 27 |
| 243. |
Lowest Common Ancestor in a BST |
July 28 |
| 244. |
Median of BST |
July 29 |
| 245. |
Inorder Successor in BST |
July 30 |
| 246. |
BFS of graph |
July 31 |
| 247. |
DFS of Graph |
August 01 |
| 248. |
Shortest Source to Destination Path |
August 02 |
| 249. |
Shortest path in Directed Acyclic Graph |
August 03 |
| 250. |
Reverse a Stack |
August 04 |
| 251. |
Chocolate Distribution Problem |
August 05 |
| 252. |
String Permutations |
August 06 |
| 253. |
Solve the Sudoku |
August 07 |
| 254. |
Fraction pairs with sum 1 |
August 08 |
| 255. |
Largest prime factor |
August 09 |
| 256. |
Longest Common Subsequence |
August 10 |
| 257. |
Coin Change |
August 11 |
| 258. |
Longest Increasing Subsequence |
August 12 |
| 259. |
Nth Fibonacci Number |
August 13 |
| 260. |
Non Repeating Numbers |
August 14 |
| 261. |
Flip Bits |
August 15 |
| 262. |
Nth catalan number |
August 16 |
| 263. |
Next Smallest Palindrome |
August 17 |
| 264. |
Leaders in an array |
August 18 |
| 265. |
Subarray with given sum |
August 19 |
| 266. |
Number of occurrence |
August 20 |
| 267. |
Surround the 1’s |
August 21 |
| 268. |
Make Matrix Beautiful |
August 22 |
| 269. |
Find the string in grid |
August 23 |
| 270. |
Multiply two strings |
August 24 |
| 271. |
Palindrome String |
August 25 |
| 272. |
Longest K unique characters substring |
August 26 |
| 273. |
Reverse a String |
August 27 |
| 274. |
Remove duplicate element from sorted Linked List |
August 28 |
| 275. |
Delete nodes having greater value on right |
August 29 |
| 276. |
Delete a Node in Single Linked List |
August 30 |
| 277. |
AVL Tree Deletion |
August 31 |
| 278. |
Leftmost and rightmost nodes of binary tree |
September 01 |
| 279. |
Leaf under budget |
September 02 |
| 280. |
Check if Tree is Isomorphic |
September 03 |
| 281. |
Replace O’s with X’s |
September 04 |
| 282. |
Print adjacency list |
September 05 |
| 283. |
Mother Vertex |
September 06 |
| 284. |
Minimum Multiplications to reach End |
September 07 |
| 285. |
Binary Tree to BST |
September 08 |
| 286. |
Kth largest element in BST |
September 09 |
| 287. |
Insert a node in a BST |
September 10 |
| 288. |
Lucky Numbers |
September 11 |
| 289. |
Perfect Numbers |
September 12 |
| 290. |
Largest number possible |
September 13 |
| 291. |
Perfect Sum Problem |
September 14 |
| 292. |
Partition Equal Subset Sum |
September 15 |
| 293. |
Count number of hops |
September 16 |
| 294. |
Print first n Fibonacci Numbers |
September 17 |
| 295. |
Power of 2 |
September 18 |
| 296. |
Find first set bit |
September 19 |
| 297. |
Rotate Bits |
September 20 |
| 298. |
Stickler Thief |
September 21 |
| 299. |
First and last occurrences of x |
September 22 |
| 300. |
Equilibrium Point |
September 23 |
| 301. |
Find duplicates in an array |
September 24 |
| 302. |
Maximum Sum Combination |
September 25 |
| 303. |
Find All Four Sum Numbers |
September 26 |
| 304. |
Find the closest pair from two arrays |
September 27 |
| 305. |
Wave Array |
September 28 |
| 306. |
Number Of Enclaves |
September 29 |
| 307. |
Boolean Matrix |
September 30 |
| 308. |
Boundary traversal of matrix |
October 01 |
| 309. |
Number of distinct subsequences |
October 02 |
| 310. |
Column name from a given column number |
October 03 |
| 311. |
Roman Number to Integer |
October 04 |
| 312. |
Count number of substrings |
October 05 |
| 313. |
Reverse alternate nodes in Link List |
October 06 |
| 314. |
Pairwise swap elements of a linked list |
October 07 |
| 315. |
Insert in a Sorted List |
October 08 |
| 316. |
Height of Binary Tree |
October 09 |
| 317. |
Nodes at given distance in binary tree |
October 10 |
| 318. |
Check for Balanced Tree |
October 11 |
| 319. |
Duplicate subtree in Binary Tree |
October 12 |
| 320. |
Floor in BST |
October 13 |
| 321. |
Find Common Nodes in two BSTs |
October 14 |
| 322. |
Normal BST to Balanced BST |
October 15 |
| 323. |
Making A Large Island |
October 16 |
| 324. |
Transitive closure of a Graph |
October 17 |
| 325. |
Eventual Safe States |
October 18 |
| 326. |
Level of Nodes |
October 19 |
| 327. |
Form a number divisible by 3 using array digits |
October 20 |
| 328. |
Sum of all divisors from 1 to n |
October 21 |
| 329. |
Number of paths |
October 22 |
| 330. |
Maximum sum increasing subsequence |
October 23 |
| 331. |
Palindromic Partitioning |
October 24 |
| 332. |
Knapsack with Duplicate Items |
October 25 |
| 333. |
Minimum Operations |
October 26 |
| 334. |
Minimum Deletions |
October 27 |
| 335. |
Bleak Numbers |
October 28 |
| 336. |
Check whether K-th bit is set or not |
October 29 |
| 337. |
Sum of XOR of all pairs |
October 30 |
| 338. |
Move all zeroes to end of array |
October 31 |
| 339. |
Frequencies of Limited Range Array Elements |
November 01 |
| 340. |
Minimum distance between two numbers |
November 02 |
| 341. |
Pythagorean Triplet |
November 03 |
| 342. |
Find Transition Point |
November 04 |
| 343. |
Top K Frequent Elements in Array |
November 05 |
| 344. |
Letters Collection |
November 06 |
| 345. |
Sum of upper and lower triangles |
November 07 |
| 346. |
Print Matrix in snake Pattern |
November 08 |
| 347. |
Predict the Column |
November 09 |
| 348. |
Number following a pattern |
November 10 |
| 349. |
Isomorphic Strings |
November 11 |
| 350. |
Check if string is rotated by two places |
November 12 |
| 351. |
Shortest Common Supersequence |
November 13 |
| 352. |
Check if strings are rotations of each other or not |
November 14 |
| 353. |
Better String |
November 15 |
| 354. |
Find the String |
November 16 |
| 355. |
Binary Tree to CDLL |
November 17 |
| 356. |
Reverse a Doubly Linked List |
November 18 |
| 357. |
Intersection of two sorted Linked lists |
November 19 |
| 358. |
K Sum Paths |
November 20 |
| 359. |
Determine if Two Trees are Identical |
November 21 |
| 360. |
Symmetric Tree |
November 22 |
| 361. |
AVL Tree Insertion |
November 23 |
| 362. |
Pascal Triangle |
November 24 |
| 363. |
Shuffle integers |
November 25 |
| 364. |
Print Pattern |
November 26 |
| 365. |
Detect Cycle using DSU |
November 27 |
| 366. |
Sum of dependencies in a graph |
November 28 |
| 367. |
Euler circuit and Path |
November 29 |
| 368. |
Shortest path from 1 to n |
November 30 |
| 369. |
Check whether BST contains Dead End |
December 01 |
| 370. |
Inorder Traversal and BST |
December 02 |
| 371. |
Brothers From Different Roots |
December 03 |
| 372. |
Sum-string |
December 04 |
| 373. |
Minimize the Heights II |
December 05 |
| 374. |
How Many X’s? |
December 06 |
| 375. |
Number of subarrays with maximum values in given range |
December 07 |
| 376. |
Transform to prime |
December 08 |
| 377. |
Smith Number |
December 09 |
| 378. |
Subarray with 0 sum |
December 10 |
| 379. |
Max Sum Subarray of size K |
December 11 |
| 380. |
Gold Mine Problem |
December 12 |
| 381. |
Consecutive 1’s not allowed |
December 13 |
| 382. |
Painting the Fence |
December 14 |
| 383. |
Reach the Nth point |
December 15 |
| 384. |
String’s Count |
December 16 |
| 385. |
Max Sum without Adjacents |
December 17 |
| 386. |
Game of XOR |
December 18 |
| 387. |
Rightmost different bit |
December 19 |
| 388. |
Modified Game of Nim |
December 20 |
| 389. |
Candy |
December 21 |
| 390. |
Maximum Meetings in One Room |
December 22 |
| 391. |
Count More than n/k Occurences |
December 23 |
| 392. |
Buy Maximum Stocks if i stocks can be bought on i-th day |
December 24 |
| 393. |
Determinant of a Matrix |
December 25 |
| 394. |
Largest rectangular sub-matrix whose sum is 0 |
December 26 |
| 395. |
Anti Diagonal Traversal of Matrix |
December 27 |
| 396. |
Wildcard string matching |
December 28 |
| 397. |
Check if a string is repetition of its substring of k-length |
December 29 |
| 398. |
Winner of an election |
December 30 |
| 399. |
New Year Resolution |
December 31 |
