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Joined June 8, 2025
60,334 total views

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LeetCode 3727 Java Solution 🔥 | Maximum Alternating Sum of Squares | Greedy + Sorting
0:31
LeetCode 3727 Java Solution 🔥 | Maximum Alternating Sum of Squares | Greedy + Sorting

11 views

18h ago

LeetCode 2897 Java Solution 🔥 | Maximize Sum of Squares | Greedy + Bit Manipulation
0:31
LeetCode 2897 Java Solution 🔥 | Maximize Sum of Squares | Greedy + Bit Manipulation

55 views

1d ago

LeetCode 2778 Java Solution 🔥 | Sum of Squares of Special Elements | Easy DSA
0:31
LeetCode 2778 Java Solution 🔥 | Sum of Squares of Special Elements | Easy DSA

58 views

2d ago

LeetCode 1541 Java Solution 🔥 | Minimum Insertions to Balance Parentheses | Greedy
0:31
LeetCode 1541 Java Solution 🔥 | Minimum Insertions to Balance Parentheses | Greedy

19 views

4d ago

LeetCode 1021 Java Solution 🔥 | Remove Outermost Parentheses | Easy DSA
0:31
LeetCode 1021 Java Solution 🔥 | Remove Outermost Parentheses | Easy DSA

34 views

5d ago

LeetCode 856 Java Solution 🔥 | Score of Parentheses | Stack + Depth Trick | Medium DSA
0:31
LeetCode 856 Java Solution 🔥 | Score of Parentheses | Stack + Depth Trick | Medium DSA

22 views

8d ago

LeetCode 678 Java Solution 🔥 | Valid Parenthesis String | Greedy Low High | Medium DSA
0:31
LeetCode 678 Java Solution 🔥 | Valid Parenthesis String | Greedy Low High | Medium DSA

32 views

9d ago

LeetCode 32 Java Solution 🔥 | Longest Valid Parentheses | Stack + DP | Hard DSA
0:31
LeetCode 32 Java Solution 🔥 | Longest Valid Parentheses | Stack + DP | Hard DSA

52 views

10d ago

LeetCode 20 Java Solution 🔥 | Valid Parentheses | Stack Explained | Easy DSA
0:31
LeetCode 20 Java Solution 🔥 | Valid Parentheses | Stack Explained | Easy DSA

12 views

12d ago

LeetCode 2267 Java Solution 🔥 | Check if There Is a Valid Parentheses String Path | Hard DSA
0:31
LeetCode 2267 Java Solution 🔥 | Check if There Is a Valid Parentheses String Path | Hard DSA

9 views

2w ago

Don’t search the knowledge list again and again — ONE HashMap makes this O(n)! 🤯
0:31
Don’t search the knowledge list again and again — ONE HashMap makes this O(n)! 🤯

57 views

2w ago

Don’t search the knowledge list again and again — ONE HashMap makes this O(n)! 🤯
0:31
Don’t search the knowledge list again and again — ONE HashMap makes this O(n)! 🤯

105 views

2w ago

The index itself becomes the answer to a digit-sum puzzle! 🤯
0:31
The index itself becomes the answer to a digit-sum puzzle! 🤯

47 views

2w ago

The array has 100,000 elements… but we only need 5 DP states! 🤯
0:31
The array has 100,000 elements… but we only need 5 DP states! 🤯

22 views

3w ago

The alphabet is reversed… but the position is NOT! 🤯
0:31
The alphabet is reversed… but the position is NOT! 🤯

118 views

3w ago

This HARD string problem looks like DP… but the real trick is GREEDY + intervals! 🤯
0:31
This HARD string problem looks like DP… but the real trick is GREEDY + intervals! 🤯

124 views

3w ago

This looks like a DP problem… but there’s a beautiful combinatorics trick hiding underneath
0:31
This looks like a DP problem… but there’s a beautiful combinatorics trick hiding underneath

115 views

3w ago

How many palindromes can you pick without letting ANY of them overlap? 🤯
0:31
How many palindromes can you pick without letting ANY of them overlap? 🤯

19 views

4w ago

Don’t move the matrix… track the SHIFT! 🤯
0:31
Don’t move the matrix… track the SHIFT! 🤯

14 views

1mo ago

4 intervals. Maximum score. One HARD DP problem! 🤯
0:31
4 intervals. Maximum score. One HARD DP problem! 🤯

76 views

1mo ago

Only 3 digits… but can you form every UNIQUE even number? 🤯
0:31
Only 3 digits… but can you form every UNIQUE even number? 🤯

84 views

1mo ago

LeetCode 2265: Count Nodes Equal to Average of Subtree 🔥 | DFS Tree Trick
0:31
LeetCode 2265: Count Nodes Equal to Average of Subtree 🔥 | DFS Tree Trick

136 views

1mo ago

LeetCode 3871: Count Commas in Range II 🔥 | Simple Math Trick
0:31
LeetCode 3871: Count Commas in Range II 🔥 | Simple Math Trick

15 views

1mo ago

LeetCode 3870: Count Commas in Range 🔥 | One-Line Math Trick
0:31
LeetCode 3870: Count Commas in Range 🔥 | One-Line Math Trick

80 views

1mo ago

LeetCode 940: Distinct Subsequences II 🔥 | Hard DP Problem Explained
0:31
LeetCode 940: Distinct Subsequences II 🔥 | Hard DP Problem Explained

24 views

1mo ago

Use or Skip? 🤯 | LeetCode 115 Distinct Subsequences Java
0:31
Use or Skip? 🤯 | LeetCode 115 Distinct Subsequences Java

93 views

1mo ago

Don’t Brute Force This 😱 | LeetCode 3904 Java
0:31
Don’t Brute Force This 😱 | LeetCode 3904 Java

19 views

1mo ago

Only 3 Cases Solve This 😱 | LeetCode 2091 Java
0:31
Only 3 Cases Solve This 😱 | LeetCode 2091 Java

101 views

1mo ago

Don’t Simulate the Game 😱 | LeetCode 1927 Java
0:31
Don’t Simulate the Game 😱 | LeetCode 1927 Java

343 views

1mo ago

Don’t Generate the Numbers 😱 | LeetCode 3116 Java
0:31
Don’t Generate the Numbers 😱 | LeetCode 3116 Java

299 views

1mo ago