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https://leetcode.com/problems/matrix-diagonal-sum/description/ Matrix Diagonal Sum - LeetCode Can you solve this real interview question? Matrix Diagonal Sum - Given a square matrix mat, return the sum of the matrix diagonals. Only include the sum of all the elements on the primary diagonal and all the elements on the secondary diagonal that are leetcode.com 문제 유형 : 투 포인터 문제 난이도 : Easy 문제 Given ..

https://leetcode.com/problems/number-of-subsequences-that-satisfy-the-given-sum-condition/ Number of Subsequences That Satisfy the Given Sum Condition - LeetCode Can you solve this real interview question? Number of Subsequences That Satisfy the Given Sum Condition - You are given an array of integers nums and an integer target. Return the number of non-empty subsequences of nums such that the s..

투 포인터 말 그대로 두개의 포인터를 사용하는 알고리즘이다. (left, right), (start, end)처럼 주로 이름을 붙인다. 슬라이딩 윈도우 투 포인터와 비슷하나, 두 포인터간의 간격이 일정하다.

https://leetcode.com/problems/dota2-senate/description/ Dota2 Senate - LeetCode Can you solve this real interview question? Dota2 Senate - In the world of Dota2, there are two parties: the Radiant and the Dire. The Dota2 senate consists of senators coming from two parties. Now the Senate wants to decide on a change in the Dota2 game. leetcode.com 문제 유형 : 그리디 / 큐 / 구현 문제 난이도 : Medium 문제 In the wo..

https://leetcode.com/problems/average-salary-excluding-the-minimum-and-maximum-salary/description/ Average Salary Excluding the Minimum and Maximum Salary - LeetCodeCan you solve this real interview question? Average Salary Excluding the Minimum and Maximum Salary - You are given an array of unique integers salary where salary[i] is the salary of the ith employee. Return the average salary of em..

https://leetcode.com/problems/n-th-tribonacci-number/description/?envType=study-plan-v2&id=dynamic-programming N-th Tribonacci Number - LeetCode Can you solve this real interview question? N-th Tribonacci Number - The Tribonacci sequence Tn is defined as follows: T0 = 0, T1 = 1, T2 = 1, and Tn+3 = Tn + Tn+1 + Tn+2 for n >= 0. Given n, return the value of Tn. Example 1: Input: n = 4 Output: 4 E l..

https://leetcode.com/problems/gas-station/description/ Gas Station - LeetCode Can you solve this real interview question? Gas Station - There are n gas stations along a circular route, where the amount of gas at the ith station is gas[i]. You have a car with an unlimited gas tank and it costs cost[i] of gas to travel from the ith st leetcode.com 문제 유형 : 그리디 / 브루트 포스 난이도 : Medium 문제 There are n g..

https://leetcode.com/problems/roman-to-integer/ Roman to Integer - LeetCode Can you solve this real interview question? Roman to Integer - Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. Symbol Value I 1 V 5 X 10 L 50 C 100 D 500 M 1000 For example, 2 is written as II in Roman numeral, just tw leetcode.com 난이도 : Easy 문제 Roman numerals are represented by seven d..