Daily solving LeetCode problems

Last Updated: 09:03:38 16-07-2026

Ranking: 1145793

Progress: 144/3991

Difficulty	Solved	Total
Easy	100	954
Medium	43	2084
Hard	1	953

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Problems solved

Problem ID	Problem Name	Topic	Solution
24	Swap Nodes In Pairs	LinkedList	Solution
26	Remove Duplicates From Sorted Array	TwoPointers	Solution
27	Remove Element	TwoPointers	Solution
35	Search Insert Position	BinarySearch	Solution
46	Permutations	Backtracking	Solution
47	Permutations Ii	Backtracking	Solution
50	Pow X N	Recursion	Solution
69	Sqrt X	BinarySearch	Solution
77	Combinations	Backtracking	Solution
78	Subsets	Backtracking	Solution
79	Word Search	Backtracking	Solution
88	Merge Sorted Array	TwoPointers	Solution
89	Gray Code	Backtracking	Solution
92	Reverse Linked List Ii	LinkedList	Solution
125	Valid Palindrome	TwoPointers	Solution
141	Linked List Cycle	TwoPointers	Solution
142	Linked List Cycle Ii	TwoPointers	Solution
143	Reorder List	TwoPointers	Solution
160	Intersection Of Two Linked Lists	TwoPointers	Solution
191	Number Of 1 Bits	DivideAndConquer	Solution
202	Happy Number	TwoPointers	Solution
206	Reverse Linked List	LinkedList	Solution
215	Kth Largest Element In An Array	DivideAndConquer	Solution
231	Power Of Two	Recursion	Solution
234	Palindrome Linked List	TwoPointers	Solution
268	Missing Number	BinarySearch	Solution
278	First Bad Version	BinarySearch	Solution
326	Power Of Three	Recursion	Solution
342	Power Of Four	Recursion	Solution
344	Reverse String	TwoPointers	Solution
345	Reverse Vowels Of A String	TwoPointers	Solution
349	Intersection Of Two Arrays	TwoPointers	Solution
350	Intersection Of Two Arrays Ii	TwoPointers	Solution
367	Valid Perfect Square	BinarySearch	Solution
455	Assign Cookies	TwoPointers	Solution
496	Next Greater Element I	Stack	Solution
509	Fibonacci Number	Recursion	Solution
594	Longest Harmonious Subsequence	SlidingWindow	Solution
643	Maximum Average Subarray I	SlidingWindow	Solution
739	Daily Temperatures	Stack	Solution
876	Middle Of The Linked List	TwoPointers	Solution
1422	Maximum Score After Splitting A String	PrefixSum	Solution
1480	Running Sum Of 1D Array	PrefixSum	Solution
1763	Longest Nice Substring	DivideAndConquer	Solution
1863	Sum Of All Subset Xor Totals	Backtracking	Solution
1984	Minimum Different Between Highest And Lowest Of K Scores	SlidingWindow	Solution
1991	Find The Middle Index In Array	PrefixSum	Solution
2485	Find The Pivot Integer	PrefixSum	Solution
2574	Left And Right Sum Differencies	PrefixSum	Solution
2932	Maximum Strong Pair Xor I	SlidingWindow	Solution
3151	Special Array I	SlidingWindow	Solution
3304	Find The Kth Character In String Game I	Recursion	Solution
3318	Find X Sum Of All K Long Subarrays I	SlidingWindow	Solution
3354	Make Array Elements Equal To Zero	PrefixSum	Solution
3364	Minimum Positive Sum	SlidingWindow	Solution
3411	Maximum Subarray With Equal Products	SlidingWindow	Solution
3427	Sum Of Variable Length Subarrays	PrefixSum	Solution
3432	Count Partitions With Even Sum Difference	PrefixSum	Solution