leetcode Archives - Page 11 of 21

Solved! Leetcode 2477. Minimum Fuel Cost to Report to the Capital

Feb

19

2023

source: https://leetcode.com/problems/minimum-fuel-cost-to-report-to-the-capital/description/ There is a tree (i.e., a connected, undirected graph with no cycles) structure country network consisting of n cities numbered from 0 to n – 1 and exactly n – 1 roads. The capital city is city 0. You are given a 2D integer array roads where roads[i] = [ai, bi] denotes that ...

Solved! Leetcode 1463. Cherry Pickup II

Feb

19

2023

source: https://leetcode.com/problems/cherry-pickup-ii/description/ Cherry Pickup II You are given a rows x cols matrix grid representing a field of cherries where grid[i][j] represents the number of cherries that you can collect from the (i, j) cell. You have two robots that can collect cherries for you: Robot #1 is located at the top-left corner (0, 0), ...

Solved! Leetcode 2431. Maximize Total Tastiness of Purchased Fruits

Feb

19

2023

source: https://leetcode.com/problems/maximize-total-tastiness-of-purchased-fruits/description/ Maximize Total Tastiness of Purchased Fruits You are given two non-negative integer arrays price and tastiness, both arrays have the same length n. You are also given two non-negative integers maxAmount and maxCoupons. For every integer i in range [0, n – 1]: price[i] describes the price of ith fruit. tastiness[i] describes the ...

Solved! Leetcode 1641. Count Sorted Vowel Strings

Feb

18

2023

source: https://leetcode.com/problems/count-sorted-vowel-strings/description/ Count Sorted Vowel Strings Given an integer n, return the number of strings of length n that consist only of vowels (a, e, i, o, u) and are lexicographically sorted. A string s is lexicographically sorted if for all valid i, s[i] is the same as or comes before s[i+1] in the alphabet. ...

Solved! Leetcode 369. Plus One Linked List

Feb

17

2023

source: https://leetcode.com/problems/plus-one-linked-list/description/ Plus One Linked List Given a non-negative integer represented as a linked list of digits, plus one to the integer. The digits are stored such that the most significant digit is at the head of the list. Example 1: Input: head = [1,2,3] Output: [1,2,4] Example 2: Input: head = [0] Output: [1] ...

Solved! Leetcode 2187. Minimum Time to Complete Trips

Feb

16

2023

Table of ContentsProblem StatementJavaPython Problem Statement source: https://leetcode.com/problems/minimum-time-to-complete-trips/description/ You are given an array time where time[i] denotes the time taken by the ith bus to complete one trip. Each bus can make multiple trips successively; that is, the next trip can start immediately after completing the current trip. Also, each bus operates independently; that is, ...

Solved! Leetcode 438: Find All Anagrams in a String

Feb

5

2023

source: https://leetcode.com/problems/find-all-anagrams-in-a-string/description/ An Anagram is a word or phrase formed by rearranging the letters of a different word or phrase, typically using all the original letters exactly once. Given two strings s and p, return an array of all the start indices of p’s anagrams in s. You may return the answer in any order. ...

Solved! Leetcode 2361: Minimum Costs Using the Train Line

Feb

5

2023

source: https://leetcode.com/problems/minimum-costs-using-the-train-line/ A train line going through a city has two routes, the regular route and the express route. Both routes go through the same n + 1 stops labeled from 0 to n. Initially, you start on the regular route at stop 0. You are given two 1-indexed integer arrays regular and express, both ...

Solved! Leetcode 953: Verifying an Alien Dictionary

Feb

3

2023

Source: https://leetcode.com/problems/verifying-an-alien-dictionary/description/ In an alien language, surprisingly, they also use English lowercase letters, but possibly in a different order. The order of the alphabet is some permutation of lowercase letters. Given a sequence of words written in the alien language, and the order of the alphabet, return true if and only if the given words ...

Solved! Leetcode 1109: Corporate Flight Bookings

Feb

3

2023

source: https://leetcode.com/problems/corporate-flight-bookings/description/ There are n flights that are labeled from 1 to n. You are given an array of flight bookings bookings, where bookings[i] = [firsti, lasti, seatsi] represents a booking for flights firsti through lasti (inclusive) with seatsi seats reserved for each flight in the range. Return an array answer of length n, where ...