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https://leetcode.com/problems/maximum-total-importance-of-roads/description/leetcode - Maximum Total Importance of Roads문제 유형 : 그리디, 우선순위 큐, 그래프문제 난이도 : Medium 문제You are given an integer n denoting the number of cities in a country. The cities are numbered from 0 to n - 1.You are also given a 2D integer array roads where roads[i] = [ai, bi] denotes that there exists a bidirectional road connecti..

https://leetcode.com/problems/minimum-number-of-k-consecutive-bit-flips/description/leetcode - Minimum Number of K Consecutive Bit Flips문제 유형 : 그리디 / 비트마스킹 / 슬라이딩 윈도우문제 난이도 : Hard 문제You are given a binary array nums and an integer k.A k-bit flip is choosing a subarray of length k from nums and simultaneously changing every 0 in the subarray to 1, and every 1 in the subarray to 0.Return the minim..

https://leetcode.com/problems/minimum-number-of-days-to-make-m-bouquets/description/leetcode - Minimum Number of Days to Make m Bouquets문제 유형 : 이진탐색, 그리디, 슬라이딩 윈도우, 구현문제 난이도 : Medium 문제You are given an integer array bloomDay, an integer m and an integer k.You want to make m bouquets. To make a bouquet, you need to use k adjacent flowers from the garden.The garden consists of n flowers, the ith f..

https://leetcode.com/problems/most-profit-assigning-work/description/leetcode - Most Profit Assigning Work문제 유형 : 정렬, 그리디, 이진탐색문제 난이도 : Medium 문제You have n jobs and m workers. You are given three arrays: difficulty, profit, and worker where:difficulty[i] and profit[i] are the difficulty and the profit of the ith job, andworker[j] is the ability of jth worker (i.e., the jth worker can only comple..

https://leetcode.com/problems/patching-array/description/leetcode - Patching Array문제 유형 : 그리디문제 난이도 : Hard 문제Given a sorted integer array nums and an integer n, add/patch elements to the array such that any number in the range [1, n] inclusive can be formed by the sum of some elements in the array.Return the minimum number of patches required. 정수 배열 nums와 정수 n이 주어진다. 배열에 요소를 추가하여 닫힌구간 [1, n]의 모든..

https://leetcode.com/problems/minimum-increment-to-make-array-unique/description/leetcode - Minimum Increment to Make Array Unique문제 유형 : 정렬, 그리디문제 난이도 : Medium 문제You are given an integer array nums. In one move, you can pick an index i where 0  and increment nums[i] by 1.Return the minimum number of moves to make every value in nums unique.The test cases are generated so that the answer fits in..

https://leetcode.com/problems/append-characters-to-string-to-make-subsequence/description/leetcode - Append Characters to String to Make Subsequence문제 유형 : 문자열처리, 그리디문제 난이도 : Medium문제 You are given two strings s and t consisting of only lowercase English letters.Return the minimum number of characters that need to be appended to the end of s so that t becomes a subsequence of s.A subsequence is ..

https://leetcode.com/problems/number-of-steps-to-reduce-a-number-in-binary-representation-to-one/description/leetcode - Number of Steps to Reduce a Number in Binary Representation to One문제 유형 : 비트마스킹, 그리디문제 난이도 : Medium 문제Given the binary representation of an integer as a string s, return the number of steps to reduce it to 1 under the following rules:If the current number is even, you have to d..

https://leetcode.com/problems/score-after-flipping-matrix/description/leetcode - Score After Flipping Matrix문제 유형 : 행렬, 비트마스킹, 그리디문제 난이도 : Medium 문제You are given an m x n binary matrix grid.A move consists of choosing any row or column and toggling each value in that row or column (i.e., changing all 0's to 1's, and all 1's to 0's).Every row of the matrix is interpreted as a binary number, and t..

https://leetcode.com/problems/maximize-happiness-of-selected-children/description/leetcode - Maximize Happiness of Selected Children문제 유형 : 정렬 / 그리디문제 난이도 : Medium 문제You are given an array happiness of length n, and a positive integer k.There are n children standing in a queue, where the ith child has happiness value happiness[i]. You want to select k children from these n children in k turns.In..