aditya sahu

Java developer || 300+ DSA problems || Frontend developer

[aditya sahu @_aditya149_]

Day 105 of #gfg160 days of problem solving by @geeksforgeeks

Today's problem: Get min from stack

Time complexity : O(n)
Space complexity: O(n)

#gfg160 #gfg #geekstreak2025 #geeksforgeeks #coding #CodingJourney #potd #dsa #ProblemSolving

[aditya sahu @_aditya149_]

Day 104/160 days of problem solving by @geeksforgeeks

Today's problem: Max of min for every window size

Time complexity: O(n)
Space complexity: O(n)

#gfg160 #geekstreak2025 #geeksforgeeks #coding #CodingLife #ProblemSolving #java #potd #dsa #gfg #gfg160daychallenge

[aditya sahu @_aditya149_]

Day 103 of #gfg160 days of problem solving by @geeksforgeeks

Today's problem: Histogram max rectangle area

Time complexity: O(n)
Space complexity: O(n)

#geekstreak2025 #geeksforgeeks #gfg #coding #codinglife #potd #dsa #java

[aditya sahu @_aditya149_]

Day 102 of #gfg160 days of problem solving by @geeksforgeeks

Today's problem: stock span problem

Time complexity : O(n)
Space complexity: O(n)

#geekstreak2025 #gfg #geeksforgeeks #coding #CodingJourney #dsa #potd #java

[aditya sahu @_aditya149_]

Day 101 of #gfg160 days of problem solving by @geeksforgeeks

Today's problem: next greater element

Time complexity: O(n)
Space complexity: O(n)

#gfg #geekstreak2025
#geeksforgeeks #coding #potd #CodingChallenge #dsa #java #ProblemSolving

[aditya sahu @_aditya149_]

Reached #day100 🎉🎉
Of #gfg160 days of problem solving ✨

Today's problem : Longest valid Parenthesis
Approach: Stack - based

Time complexity: O(n)
Space complexity: O(n)

@geeksforgeeks
#geekstreak2025 #gfg #coding #problemsolving #java #potd #dsa #CodingChallenge

[aditya sahu @_aditya149_]

Day 99 of #gfg160 days of problem solving by @geeksforgeeks

Today's problem: Parenthesis checker

Time complexity: O(n)
Space complexity:O(n)

#geekstreak2025 #geeksforgeeks #gfg #gfg160daychallenge #java #coding #potd #CodingChallenge #ProblemSolving

[aditya sahu @_aditya149_]

Day 98 of #gfg160 days of Problem solving by @geeksforgeeks

Today's problem: Find median in a stream

Time complexity: O(n*log n)
Space complexity: O(n)

#geekstreak2025 #geeksforgeeks #coding #problemSolving #java #potd #CodingJourney #dsa #gfg

[aditya sahu @_aditya149_]

Day 97 of #gfg160 days of problem solving @geeksforgeeks

Today's problem: merge k sorted list

Time complexity: O(n*k*log k)
Space complexity: O(k)

#geekstreak2025
#gfg #geeksforgeeks #coding #CodingChallenge #java #potd #dsa #problemsolving

[aditya sahu @_aditya149_]

Day 96 of #gfg160 days of problem solving @geeksforgeeks

Today's problem: K Closest Points to Origin

Time complexity: O(n*log k)
Space complexity: O(k)

#geekstreak2025
#gfg #geeksforgeeks #coding #CodingChallenge #java #potd #dsa #problemsolving

[aditya sahu @_aditya149_]

Day 95 of #gfg160 days of problem solving @geeksforgeeks

Today's problem: K largest elements

Time complexity: O(n*log k)
Space complexity: O(k)

#geekstreak2025
#gfg #geeksforgeeks #coding #CodingChallenge #java #potd #dsa #problemsolving

[aditya sahu @_aditya149_]

Day 94/160 days of problem solving by @geeksforgeeks

Today's problem: Serialize and deserialize a binary tree

Time complexity: O(n)
Space complexity: O(h)

#gfg160 #geekstreak2025 #gfg #geeksforgeeks #gfgdsa160days #coding #CodingJourney #java #potd #dsa

[aditya sahu @_aditya149_]

Day 93 of #gfg160 days of problem solving by @geeksforgeeks

Today's problem: Lowest Common Ancestor in a BST

Time complexity: O(h)
Space complexity: O(1)

#geekstreak2025 #GFG #gfg160dayschallenge #coding #CodingJourney #java #potd #ProblemSolving

[aditya sahu @_aditya149_]

Day 92/160 days of problem solving
By @geeksforgeeks

Today's problem : Fixing two nodes of BST
Approach: Inorder travelsal and sorting

Time complexity: O(n)
Space complexity: O(n)

#gfg160 #geekstreak2025 #geeksforgeeks #potd #dsa #problemSolving #Coding #CodingChallenge

[aditya sahu @_aditya149_]

Day 91 of #gfg160 days of problem solving

Today's problem: Piar Sum is BST
Approch: hashmap

Time complexity: O(n)
Space complexity: O(h)

@geeksforgeeks #geekstreak2025 #gfg #potd #dsa #problemSolving #Coding #CodingJourney #CodingChallenge

[aditya sahu @_aditya149_]

Day 90 of #gfg160 days of problem solving by @geeksforgeeks

Today's problem: kth smallest node

Time complexity: O(n)
Space complexity: O(n)

#geekstreak2025 #geeksforgeeks #gfg #Coding #problemsolving #java
#CodingChallenge #potd

[aditya sahu @_aditya149_]

Day 89 of #gfg160 days of problem solving

Today's problem: Check for BST

Time complexity: O(n)
Space complexity : O(1)

@geeksforgeeks #geekstreak2025 #gfg #coding #java #ProblemSolving #potd #dsa #CodingJourney #geeksforgeeks

[aditya sahu @_aditya149_]

Day 88/160 days of problem solving by @geeksforgeeks

Today's problem: K-Sum Paths

Time complexity: O(n)
Space complexity: O(h)

#gfg160 #gfg #geekstreak2025 #geeksforgeeks #coding #CodingJourney #potd #dsa #java #ProblemSolving

[aditya sahu @_aditya149_]

Day 87/160 days of problem solving by @geeksforgeeks

Today's problem: Maximum path sum from any node

Time complexity: O(n)
Space complexity: O(h)

#gfg160 #gfg #geekstreak2025 #geeksforgeeks #coding #CodingJourney #potd #dsa #java #ProblemSolving

[aditya sahu @_aditya149_]

Day 86/160 days of problem solving by @geeksforgeeks

Today's problem: Tree Boundary Traversal

Time complexity: O(n)
Space complexity: O(h)

#gfg160 #gfg #geekstreak2025 #geeksforgeeks #coding #CodingJourney #potd #dsa #java #ProblemSolving