Day-24: (Solution)
Process Restricted Friend Requests
Leetcode #2076
Algorithm: Disjoint Set
Disjoint Set: https://youtu.be/eTaWFhPXPz4
Disjoint Set (Union by Rank & Path Compression): https://youtu.be/kaBX2s3pYO4
Solution CODE: https://gist.github.com/SuryaPratapK/68ab4a613546e86f71d9f4b63c0ceee4
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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Process Restricted Friend Requests
Leetcode #2076
Algorithm: Disjoint Set
Disjoint Set: https://youtu.be/eTaWFhPXPz4
Disjoint Set (Union by Rank & Path Compression): https://youtu.be/kaBX2s3pYO4
Solution CODE: https://gist.github.com/SuryaPratapK/68ab4a613546e86f71d9f4b63c0ceee4
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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LeetCode
Process Restricted Friend Requests - LeetCode
Can you solve this real interview question? Process Restricted Friend Requests - You are given an integer n indicating the number of people in a network. Each person is labeled from 0 to n - 1.
You are also given a 0-indexed 2D integer array restrictions…
You are also given a 0-indexed 2D integer array restrictions…
Day-25:
Max Area of Island
Leetcode #2076
Algorithm: Disjoint Set/ DFS / BFS
Disjoint Set: https://youtu.be/eTaWFhPXPz4
Disjoint Set (Union by Rank & Path Compression): https://youtu.be/kaBX2s3pYO4
Solution CODE: https://gist.github.com/SuryaPratapK/68ab4a613546e86f71d9f4b63c0ceee4
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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Max Area of Island
Leetcode #2076
Algorithm: Disjoint Set/ DFS / BFS
Disjoint Set: https://youtu.be/eTaWFhPXPz4
Disjoint Set (Union by Rank & Path Compression): https://youtu.be/kaBX2s3pYO4
Solution CODE: https://gist.github.com/SuryaPratapK/68ab4a613546e86f71d9f4b63c0ceee4
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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LeetCode
Max Area of Island - LeetCode
Can you solve this real interview question? Max Area of Island - You are given an m x n binary matrix grid. An island is a group of 1's (representing land) connected 4-directionally (horizontal or vertical.) You may assume all four edges of the grid are surrounded…
Day-25: Solution
Max Area of Island
Leetcode #695
Algorithm: Disjoint Set/ DFS / BFS
Disjoint Set: https://youtu.be/eTaWFhPXPz4
Disjoint Set (Union by Rank & Path Compression): https://youtu.be/kaBX2s3pYO4
Solution CODE: https://gist.github.com/SuryaPratapK/cd2caf844648a355d82a6b1f9d69efaf
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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Max Area of Island
Leetcode #695
Algorithm: Disjoint Set/ DFS / BFS
Disjoint Set: https://youtu.be/eTaWFhPXPz4
Disjoint Set (Union by Rank & Path Compression): https://youtu.be/kaBX2s3pYO4
Solution CODE: https://gist.github.com/SuryaPratapK/cd2caf844648a355d82a6b1f9d69efaf
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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LeetCode
Max Area of Island - LeetCode
Can you solve this real interview question? Max Area of Island - You are given an m x n binary matrix grid. An island is a group of 1's (representing land) connected 4-directionally (horizontal or vertical.) You may assume all four edges of the grid are surrounded…
Day-26:
Number of Closed Islands
Leetcode #1254
Algorithm: Disjoint Set/ DFS / BFS
Disjoint Set: https://youtu.be/eTaWFhPXPz4
Disjoint Set (Union by Rank & Path Compression): https://youtu.be/kaBX2s3pYO4
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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Number of Closed Islands
Leetcode #1254
Algorithm: Disjoint Set/ DFS / BFS
Disjoint Set: https://youtu.be/eTaWFhPXPz4
Disjoint Set (Union by Rank & Path Compression): https://youtu.be/kaBX2s3pYO4
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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LeetCode
Number of Closed Islands - LeetCode
Can you solve this real interview question? Number of Closed Islands - Given a 2D grid consists of 0s (land) and 1s (water). An island is a maximal 4-directionally connected group of 0s and a closed island is an island totally (all left, top, right, bottom)…
Day-26: Solution
Number of Closed Islands
Leetcode #1254
Algorithm: Disjoint Set/ DFS / BFS
Disjoint Set: https://youtu.be/eTaWFhPXPz4
Disjoint Set (Union by Rank & Path Compression): https://youtu.be/kaBX2s3pYO4
Solution CODE: https://gist.github.com/SuryaPratapK/4ea26ccb3d6ca3aafe878bd152f5dfa4
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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Number of Closed Islands
Leetcode #1254
Algorithm: Disjoint Set/ DFS / BFS
Disjoint Set: https://youtu.be/eTaWFhPXPz4
Disjoint Set (Union by Rank & Path Compression): https://youtu.be/kaBX2s3pYO4
Solution CODE: https://gist.github.com/SuryaPratapK/4ea26ccb3d6ca3aafe878bd152f5dfa4
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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LeetCode
Number of Closed Islands - LeetCode
Can you solve this real interview question? Number of Closed Islands - Given a 2D grid consists of 0s (land) and 1s (water). An island is a maximal 4-directionally connected group of 0s and a closed island is an island totally (all left, top, right, bottom)…
Day-27:
Find Eventual Safe States
Leetcode #802
Algorithm: DFS / BFS / Topological Sort
DFS: https://youtu.be/CvUMf8c2JFo
BFS: https://youtu.be/YYq38LTz774
Topological Sort: https://youtu.be/qe_pQCh09yU
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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Find Eventual Safe States
Leetcode #802
Algorithm: DFS / BFS / Topological Sort
DFS: https://youtu.be/CvUMf8c2JFo
BFS: https://youtu.be/YYq38LTz774
Topological Sort: https://youtu.be/qe_pQCh09yU
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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#30DaysOfGraph #techdose #interviewpreparation #graphs #dsa
LeetCode
Find Eventual Safe States - LeetCode
Can you solve this real interview question? Find Eventual Safe States - There is a directed graph of n nodes with each node labeled from 0 to n - 1. The graph is represented by a 0-indexed 2D integer array graph where graph[i] is an integer array of nodes…
Day-27: (Solution)
Find Eventual Safe States
Leetcode #802
Algorithm: DFS / BFS / Topological Sort
DFS: https://youtu.be/CvUMf8c2JFo
BFS: https://youtu.be/YYq38LTz774
Topological Sort: https://youtu.be/qe_pQCh09yU
Solution CODE: https://gist.github.com/SuryaPratapK/031016cfa97e6aa33d46a7ef6bea147a
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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Find Eventual Safe States
Leetcode #802
Algorithm: DFS / BFS / Topological Sort
DFS: https://youtu.be/CvUMf8c2JFo
BFS: https://youtu.be/YYq38LTz774
Topological Sort: https://youtu.be/qe_pQCh09yU
Solution CODE: https://gist.github.com/SuryaPratapK/031016cfa97e6aa33d46a7ef6bea147a
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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#30DaysOfGraph #techdose #interviewpreparation #graphs #dsa
LeetCode
Find Eventual Safe States - LeetCode
Can you solve this real interview question? Find Eventual Safe States - There is a directed graph of n nodes with each node labeled from 0 to n - 1. The graph is represented by a 0-indexed 2D integer array graph where graph[i] is an integer array of nodes…
Day-28:
Maximal Network Rank
Leetcode #802
Algorithm: Simple Graph
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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Maximal Network Rank
Leetcode #802
Algorithm: Simple Graph
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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#30DaysOfGraph #techdose #interviewpreparation #graphs #dsa
LeetCode
Maximal Network Rank - LeetCode
Can you solve this real interview question? Maximal Network Rank - There is an infrastructure of n cities with some number of roads connecting these cities. Each roads[i] = [ai, bi] indicates that there is a bidirectional road between cities ai and bi.
The…
The…
Day-28: (Solution)
Maximal Network Rank
Leetcode #1615
Algorithm: Simple Graph
Solution CODE: https://gist.github.com/SuryaPratapK/607a4ca794fa607efa9a0ac68bb92ca3
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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Maximal Network Rank
Leetcode #1615
Algorithm: Simple Graph
Solution CODE: https://gist.github.com/SuryaPratapK/607a4ca794fa607efa9a0ac68bb92ca3
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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#30DaysOfGraph #techdose #interviewpreparation #graphs #dsa
LeetCode
Maximal Network Rank - LeetCode
Can you solve this real interview question? Maximal Network Rank - There is an infrastructure of n cities with some number of roads connecting these cities. Each roads[i] = [ai, bi] indicates that there is a bidirectional road between cities ai and bi.
The…
The…
Day-29:
Minimum Number of Vertices to Reach All Nodes
Leetcode #1557
Algorithm: Simple Graph
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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Minimum Number of Vertices to Reach All Nodes
Leetcode #1557
Algorithm: Simple Graph
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LeetCode
Minimum Number of Vertices to Reach All Nodes - LeetCode
Can you solve this real interview question? Minimum Number of Vertices to Reach All Nodes - Given a directed acyclic graph, with n vertices numbered from 0 to n-1, and an array edges where edges[i] = [fromi, toi] represents a directed edge from node fromi to…
Day-1:
Container With Most Water
Leetcode #11
Algorithm: Two Pointer, Greedy
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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Container With Most Water
Leetcode #11
Algorithm: Two Pointer, Greedy
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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LeetCode
Container With Most Water - LeetCode
Can you solve this real interview question? Container With Most Water - You are given an integer array height of length n. There are n vertical lines drawn such that the two endpoints of the ith line are (i, 0) and (i, height[i]).
Find two lines that together…
Find two lines that together…
Day-1: (Solution)
Container With Most Water
Leetcode #11
Algorithm: Two pointer, Greedy
Solution CODE:
https://gist.github.com/lavakush-m-tiwari/5472e7cb54482bd3f5217a36fda83359
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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Container With Most Water
Leetcode #11
Algorithm: Two pointer, Greedy
Solution CODE:
https://gist.github.com/lavakush-m-tiwari/5472e7cb54482bd3f5217a36fda83359
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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Day-2:
3Sum Closest
Leetcode #16
Algorithm: Two pointer, Sorting
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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3Sum Closest
Leetcode #16
Algorithm: Two pointer, Sorting
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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LeetCode
3Sum Closest - LeetCode
Can you solve this real interview question? 3Sum Closest - Given an integer array nums of length n and an integer target, find three integers in nums such that the sum is closest to target.
Return the sum of the three integers.
You may assume that each…
Return the sum of the three integers.
You may assume that each…
Day-2(Solution):
3Sum Closest
Leetcode #16
Algorithm: Two pointer, Sorting
Solution Code :
https://gist.github.com/lavakush-m-tiwari/64a71c847ccbd9560b20a0f862187f49
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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#techdose #28DaysOfArray #interviewpreparation #arrays #dsa #MaxFreqLast6Months #amazon10 #microsoft3 #google4 #facebook23
3Sum Closest
Leetcode #16
Algorithm: Two pointer, Sorting
Solution Code :
https://gist.github.com/lavakush-m-tiwari/64a71c847ccbd9560b20a0f862187f49
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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Day-3:
Find the Duplicate Number
Leetcode #287
Algorithm: Two pointer, bit manipulation, Binary Search
Related Video: https://www.youtube.com/watch?v=dfIqLxAf-8s&ab_channel=TECHDOSE
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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#techdose #28DaysOfArray #interviewpreparation #arrays #dsa #MaxFreqLast6Months #amazon8 #microsoft5 #google4 #facebook3
Find the Duplicate Number
Leetcode #287
Algorithm: Two pointer, bit manipulation, Binary Search
Related Video: https://www.youtube.com/watch?v=dfIqLxAf-8s&ab_channel=TECHDOSE
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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#techdose #28DaysOfArray #interviewpreparation #arrays #dsa #MaxFreqLast6Months #amazon8 #microsoft5 #google4 #facebook3
LeetCode
Find the Duplicate Number - LeetCode
Can you solve this real interview question? Find the Duplicate Number - Given an array of integers nums containing n + 1 integers where each integer is in the range [1, n] inclusive.
There is only one repeated number in nums, return this repeated number.…
There is only one repeated number in nums, return this repeated number.…
Day-3(Solution):
Find the Duplicate Number
Leetcode #287
Algorithm: Two pointer, bit manipulation, Binary Search
Related Video: https://www.youtube.com/watch?v=dfIqLxAf-8s&ab_channel=TECHDOSE
Solution: https://gist.github.com/lavakush-m-tiwari/627c6270f1095bbbf005a2f83d8b00ad
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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#techdose #28DaysOfArray #interviewpreparation #arrays #dsa #MaxFreqLast6Months #amazon8 #microsoft5 #google4 #facebook3
Find the Duplicate Number
Leetcode #287
Algorithm: Two pointer, bit manipulation, Binary Search
Related Video: https://www.youtube.com/watch?v=dfIqLxAf-8s&ab_channel=TECHDOSE
Solution: https://gist.github.com/lavakush-m-tiwari/627c6270f1095bbbf005a2f83d8b00ad
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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Day-4:
Minimum Size Subarray Sum
Leetcode #209
Algorithm: Binary Search, Sliding Window, Prefix Sum
Related Video: https://www.youtube.com/watch?v=S6Xg-0uaODc
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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#techdose #28DaysOfArray #interviewpreparation #arrays #dsa #MaxFreqLast6Months #amazon4 #google2 #facebook4
Minimum Size Subarray Sum
Leetcode #209
Algorithm: Binary Search, Sliding Window, Prefix Sum
Related Video: https://www.youtube.com/watch?v=S6Xg-0uaODc
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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Day-4(Solution):
Minimum Size Subarray Sum
Leetcode #209
Algorithm: Binary Search, Sliding Window, Prefix Sum
Related Video: https://www.youtube.com/watch?v=S6Xg-0uaODc
Solution: https://gist.github.com/lavakush-m-tiwari/021f98e89a22503feb864bbe8f19ea3e
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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#techdose #28DaysOfArray #interviewpreparation #arrays #dsa #MaxFreqLast6Months #amazon4 #google2 #facebook4
Minimum Size Subarray Sum
Leetcode #209
Algorithm: Binary Search, Sliding Window, Prefix Sum
Related Video: https://www.youtube.com/watch?v=S6Xg-0uaODc
Solution: https://gist.github.com/lavakush-m-tiwari/021f98e89a22503feb864bbe8f19ea3e
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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#techdose #28DaysOfArray #interviewpreparation #arrays #dsa #MaxFreqLast6Months #amazon4 #google2 #facebook4
Day-5:
Merge Sorted Array
Leetcode #88
Algorithm: Two pointer, Sorting
Related Video: https://www.youtube.com/watch?v=DeLnQpIxo-A&list=PLEJXowNB4kPxQIN2dCUAnQ_92HIziG4x6&index=25
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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#techdose #28DaysOfArray #interviewpreparation #arrays #dsa #MaxFreqLast6Months #amazon8 #microsoft6 #facebook79
Merge Sorted Array
Leetcode #88
Algorithm: Two pointer, Sorting
Related Video: https://www.youtube.com/watch?v=DeLnQpIxo-A&list=PLEJXowNB4kPxQIN2dCUAnQ_92HIziG4x6&index=25
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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#techdose #28DaysOfArray #interviewpreparation #arrays #dsa #MaxFreqLast6Months #amazon8 #microsoft6 #facebook79
Day-5(Solution):
Merge Sorted Array
Leetcode #88
Algorithm: Two pointer, Sorting
Related Video: https://www.youtube.com/watch?v=DeLnQpIxo-A&list=PLEJXowNB4kPxQIN2dCUAnQ_92HIziG4x6&index=25
Solution: https://gist.github.com/lavakush-m-tiwari/f8e2f473a77a0b9aff38a31793c21e7e
Please try the problem yourself and watch the video to learn the Algorithm 🙂
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#techdose #28DaysOfArray #interviewpreparation #arrays #dsa #MaxFreqLast6Months #amazon8 #microsoft6 #facebook79
Merge Sorted Array
Leetcode #88
Algorithm: Two pointer, Sorting
Related Video: https://www.youtube.com/watch?v=DeLnQpIxo-A&list=PLEJXowNB4kPxQIN2dCUAnQ_92HIziG4x6&index=25
Solution: https://gist.github.com/lavakush-m-tiwari/f8e2f473a77a0b9aff38a31793c21e7e
Please try the problem yourself and watch the video to learn the Algorithm 🙂
Please SHARE this initiative with your friends as well 😀
#techdose #28DaysOfArray #interviewpreparation #arrays #dsa #MaxFreqLast6Months #amazon8 #microsoft6 #facebook79