# problem-solution

## Detect Squares

Solution For Detect Squares Problem statement: You are given a stream of points in the plane where points[i] = [xi, yi]. Each point [xi, yi] represents a point on the 2D plane. We want to know how many squares can be formed by these points. A square is a quadrilateral with four equal sides and …

## Minimum Interval To Include Each Query

Solution For Minimum Interval To Include Each Query Problem statement: You are given an array of integers nums and an array queries, where queries[i] is a pair of indices (0-indexed). Find the minimum interval [l, r] such that for all queries[i], the subarray nums[l,r] contains A[queries[i]], A[queries[i]] and so on. A subarray (l,r) is called …

## Merge Triplets To Form Target Triplet

Solution For Merge Triplets To Form Target Triplet Problem Statement: You are given an array of the form target = [x, y, z] and an array of triplets triplets, where each triplet = [ai, bi, ci] describes the i-th triplet. You can select triplets and concatenate their elements (in the same order) if the elements …

## Hand Of Straights

Solution For Hand Of Straights The problem “Hand of Straights” on LeetCode is stated as follows: You are given an array of integers hand representing the cards you have. Each integer in hand represents a card of the corresponding value. The value of each card ranges from 1 to W where W is the maximum …

## Distinct Subsequences

Solution For Distinct Subsequences The Distinct Subsequences problem on LeetCode is a dynamic programming problem that asks to count the number of distinct subsequences of a string. Problem Statement: Given two strings s and t, return the number of distinct subsequences of s that are equal to t. A subsequence of a string is a …

## Min Cost Climbing Stairs

Solution For Min Cost Climbing Stairs The Min Cost Climbing Stairs problem on Leetcode is a classic dynamic programming problem. It asks you to determine the minimum cost to climb to the top of a given staircase. The staircase has a certain number of steps, represented as an array of integers. Each element in the …

## Swim In Rising Water

Solution For Swim In Rising Water The “Swim In Rising Water” problem on Leetcode asks us to find the minimum time required for a person to cross a grid of size n x n, where each cell in the grid represents the height of the ground. The person can move only UP, DOWN, LEFT, or …

## Network Delay Time

Solution For Network Delay Time Problem Statement: You are given a network of n nodes, labeled from 1 to n. You are also given times, a list of travel times as directed edges times[i] = (u, v, w), where u is the source node, v is the target node, and w is the time it …

## Min Cost To Connect All Points

Solution For Min Cost To Connect All Points Problem Statement: You are given an array points representing integer coordinates of some points on a 2D-plane, where points[i] = [xi, yi]. The cost of connecting two points [xi, yi] and [xj, yj] is the manhattan distance between them: |xi – xj| + |yi – yj|, where …

## Redundant Connection

Solution For Redundant Connection The Redundant Connection problem on LeetCode is a graph problem. The problem statement is as follows: In a directed graph with n nodes labeled 1 to n, there exists an edge connecting nodes u and v such that u != v and the edge is not already in the graph. We …

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