Leetcode Community Solutions Save
Writing intuitions and approaches for Leetcode problems divided based on difficulty
Project README
Leetcode-Community-Solutions
Intuitions, approaches and code for Leetcode Problems which have been explained by me with solutions. Divided based on difficulty to easily access different questions.
Leetcode Profile: https://leetcode.com/darkaadityaa/
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EASY
| ID | Title | Solution Link |
|---|---|---|
20 |
Valid Parentheses | https://shorturl.at/eiruT |
21 |
Merge Two Sorted Lists | https://shorturl.at/agvy0 |
35 |
Search Insert Position | https://shorturl.at/efqvy |
69 |
Sqrt(x) | https://shorturl.at/oyLTW |
94 |
Binary Tree Inorder Traversal | https://shorturl.at/IQ089 |
100 |
Same Tree | https://shorturl.at/zALSZ |
101 |
Symmetric Tree | https://shorturl.at/ahxAP |
104 |
Maximum Depth of Binary Tree | https://shorturl.at/acmsZ |
112 |
Path Sum | https://shorturl.at/rDFMR |
160 |
Intersection of Two Linked Lists | https://shorturl.at/izX46 |
202 |
Happy Number | https://shorturl.at/degtY |
206 |
Reverse Linked List | https://shorturl.at/lqt78 |
226 |
Invert Binary Tree | https://shorturl.at/hrDJ2 |
232 |
Implement Queue using Stacks | https://shorturl.at/fmKN3 |
326 |
Power of Three | https://shorturl.at/vwxN1 |
401 |
Binary Watch | https://shorturl.at/abAN6 |
404 |
Sum of Left Leaves | https://shorturl.at/dpES6 |
509 |
Fibonacci Number | https://shorturl.at/copy2 |
543 |
Diameter of Binary Tree | https://shorturl.at/dfjt9 |
682 |
Baseball Game | https://shorturl.at/acJ38 |
704 |
Binary Search | https://shorturl.at/ehqxR |
872 |
Leaf-Similar Trees | https://shorturl.at/acdrN |
997 |
Find the Town Judge | https://shorturl.at/qtLQ1 |
1046 |
Last Stone Weight | https://shorturl.at/dWXZ5 |
1863 |
Sum of All Subset XOR Totals | https://shorturl.at/osHW5 |
2099 |
Find Subsequence of Length K With the Largest Sum | https://shorturl.at/dprC8 |
2908 |
Check if Bitwise OR Has Trailing Zeros | https://shorturl.at/moDWZ |
2996 |
Smallest Missing Integer Greater Than Sequential Prefix Sum | https://shorturl.at/iIMPX |
MEDIUM
| ID | Title | Solution Link |
|---|---|---|
5 |
Longest Palindromic Substring | https://shorturl.at/GNQX7 |
6 |
Zigzag Conversion | https://shorturl.at/eRT13 |
24 |
Swap Nodes in Pairs | https://shorturl.at/JNSW6 |
33 |
Search in Rotated Sorted Array | https://shorturl.at/hjFYZ |
34 |
Find First and Last Position of Element in Sorted Array | https://shorturl.at/botP3 |
39 |
Combination Sum | https://shorturl.at/uxJRU |
46 |
Permutations | https://shorturl.at/bpMPW |
48 |
Rotate Image | https://shorturl.at/cmrGU |
53 |
Maximum Subarray | https://shorturl.at/akl26 |
74 |
Search a 2D Matrix | https://shorturl.at/gpN48 |
77 |
Combinations | https://shorturl.at/bnzG9 |
78 |
Subsets | https://shorturl.at/kpqvw |
90 |
Subsets II | https://shorturl.at/bkmoM |
96 |
Unique Binary Search Trees | https://shorturl.at/dAEUZ |
102 |
Binary Tree Level Order Traversal | https://shorturl.at/BFJT2 |
103 |
Binary Tree Zigzag Level Order Traversal | https://shorturl.at/nsEOT |
134 |
Gas Station | https://shorturl.at/psJO9 |
148 |
Sort List | https://shorturl.at/aqxFY |
150 |
Evaluate Reverse Polish Notation | https://shorturl.at/dkNWX |
162 |
Find Peak Element | https://shorturl.at/gqrE7 |
198 |
House Robber | https://shorturl.at/tGS08 |
201 |
Bitwise AND of Numbers Range | https://shorturl.at/bqyVW |
230 |
Kth Smallest Element in a BST | https://shorturl.at/bJLS2 |
237 |
Delete Node in a Linked List | https://shorturl.at/aqsDY |
240 |
Search a 2D Matrix II | https://shorturl.at/lwMS1 |
241 |
Different Ways to Add Parentheses | https://shorturl.at/kstC2 |
287 |
Find the Duplicate Number | https://shorturl.at/psDNW |
337 |
House Robber III | https://shorturl.at/knHLY |
347 |
Top K Frequent Elements | https://shorturl.at/awIPS |
368 |
Largest Divisible Subset | https://shorturl.at/juAKM |
380 |
Insert Delete GetRandom O(1) | https://shorturl.at/bBIUV |
456 |
132 Pattern | https://shorturl.at/afjJ4 |
486 |
Predict The Winner | https://shorturl.at/frVZ0 |
503 |
Next Greater Element II | https://shorturl.at/htJV6 |
513 |
Find Bottom Left Tree Value | https://shorturl.at/kmuw6 |
560 |
Subarray Sum Equals K | https://shorturl.at/eEQT2 |
576 |
Out of Boundary Paths | https://shorturl.at/qBGT1 |
647 |
Palindromic Substrings | https://shorturl.at/oyAN2 |
654 |
Maximum Binary Tree | https://shorturl.at/beAN3 |
735 |
Asteroid Collision | https://shorturl.at/ovDN7 |
739 |
Daily Temperatures | https://shorturl.at/FIKPS |
797 |
All Paths From Source to Target | https://shorturl.at/mLMW2 |
826 |
Most Profit Assigning Work | https://shorturl.at/gjnV0 |
875 |
Koko Eating Bananas | https://shorturl.at/vLSU9 |
901 |
Online Stock Span | https://shorturl.at/diGK5 |
918 |
Maximum Sum Circular Subarray | https://shorturl.at/lpFQR |
931 |
Minimum Falling Path Sum | https://shorturl.at/gvR67 |
1011 |
Capacity To Ship Packages Within D Days | https://shorturl.at/htxAH |
1019 |
Next Greater Node In Linked List | https://shorturl.at/pFMQ8 |
1026 |
Maximum Difference Between Node and Ancestor | https://shorturl.at/GPV48 |
1043 |
Partition Array for Maximum Sum | https://shorturl.at/boIV7 |
1079 |
Letter Tile Possibilities | https://shorturl.at/morxV |
1094 |
Car Pooling | https://shorturl.at/ahlrw |
1143 |
Longest Common Subsequence | https://shorturl.at/npS35 |
1169 |
Invalid Transactions | https://shorturl.at/itCST |
1239 |
Maximum Length of a Concatenated String with Unique Characters | https://shorturl.at/mJUX0 |
1302 |
Deepest Leaves Sum | https://shorturl.at/kmrJT |
1347 |
Minimum Number of Steps to Make Two Strings Anagram | https://shorturl.at/swGU2 |
1448 |
Count Good Nodes in Binary Tree | https://shorturl.at/ajn24 |
1457 |
Pseudo-Palindromic Paths in a Binary Tree | https://shorturl.at/jxAQY |
1552 |
Magnetic Force Between Two Balls | https://shorturl.at/fhiqZ |
1686 |
Stone Game VI | https://shorturl.at/ktzBH |
1922 |
Count Good Numbers | https://shorturl.at/K2359 |
2064 |
Minimized Maximum of Products Distributed to Any Store | https://shorturl.at/qDTZ9 |
2095 |
Delete the Middle Node of a Linked List | https://shorturl.at/dfklA |
2125 |
Number of Laser Beams in a Bank | https://shorturl.at/sIUW5 |
2226 |
Maximum Candies Allocated to K Children | https://shorturl.at/lvBC4 |
2385 |
Amount of Time for Binary Tree to Be Infected | https://shorturl.at/aciz2 |
2550 |
Count Collisions of Monkeys on a Polygon | https://shorturl.at/coAFL |
2594 |
Minimum Time to Repair Cars | https://shorturl.at/dAKLZ |
2870 |
Minimum Number of Operations to Make Array Empty | https://shorturl.at/puKV5 |
2966 |
Divide Array Into Arrays With Max Difference | https://shorturl.at/buyUV |
2981 |
Find Longest Special Substring That Occurs Thrice I | https://shorturl.at/jtv04 |
2982 |
Find Longest Special Substring That Occurs Thrice II | https://shorturl.at/diqBK |
2997 |
Minimum Number of Operations to Make Array XOR Equal to K | https://shorturl.at/dinrV |
2998 |
Minimum Number of Operations to Make X and Y Equal | https://shorturl.at/stJV1 |
HARD
| ID | Title | Solution Link |
|---|---|---|
4 |
Median of Two Sorted Arrays | https://shorturl.at/styQT |
23 |
Merge k Sorted Lists | https://shorturl.at/DGO68 |
25 |
Reverse Nodes in k-Group | https://shorturl.at/cPRZ1 |
32 |
Longest Valid Parentheses | https://shorturl.at/brC37 |
37 |
Sudoku Solver | https://shorturl.at/jknP4 |
41 |
First Missing Positive | https://shorturl.at/bfCGO |
42 |
Trapping Rain Water | https://shorturl.at/bKW59 |
51 |
N-Queens | https://shorturl.at/ceoI4 |
52 |
N-Queens II | https://shorturl.at/demDQ |
76 |
Minimum Window Substring | https://shorturl.at/bmAMY |
84 |
Largest Rectangle in Histogram | https://shorturl.at/ioqRW |
124 |
Binary Tree Maximum Path Sum | https://shorturl.at/doTU1 |
127 |
Word Ladder | https://shorturl.at/csNW7 |
135 |
Candy | https://shorturl.at/nrtHK |
154 |
Find Minimum in Rotated Sorted Array II | https://shorturl.at/dzL16 |
218 |
The Skyline Problem | https://shorturl.at/gmrE5 |
239 |
Sliding Window Maximum | https://shorturl.at/evD08 |
295 |
Find Median from Data Stream | https://shorturl.at/knsH7 |
354 |
Russian Doll Envelopes | https://shorturl.at/djRS4 |
410 |
Split Array Largest Sum | https://shorturl.at/myUY0 |
432 |
All O'one Data Structure | https://shorturl.at/dlpS7 |
493 |
Reverse Pairs | https://shorturl.at/cpQX6 |
629 |
K Inverse Pairs Array | https://shorturl.at/fhWY7 |
719 |
Find K-th Smallest Pair Distance | https://shorturl.at/iNOW1 |
857 |
Minimum Cost to Hire K Workers | https://shorturl.at/bdKQV |
862 |
Shortest Subarray with Sum at Least K | https://shorturl.at/gjvxS |
871 |
Minimum Number of Refueling Stops | https://shorturl.at/S1457 |
887 |
Super Egg Drop | https://shorturl.at/ekyEW |
980 |
Unique Paths III | https://shorturl.at/jnuV4 |
987 |
Vertical Order Traversal of a Binary Tree | https://shorturl.at/dlqBI |
1793 |
Maximum Score of a Good Subarray | https://shorturl.at/gqt19 |
2402 |
Meeting Rooms III | https://shorturl.at/ejsU5 |
2421 |
Number of Good Paths | https://shorturl.at/inRV6 |
2858 |
Minimum Edge Reversals So Every Node Is Reachable | https://shorturl.at/ckDL9 |
Open Source Agenda is not affiliated with "Leetcode Community Solutions" Project. README Source: adityajamwal02/Leetcode-Community-Solutions
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