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https://leetcode.com/problems/unique-paths/description/ Unique Paths - LeetCode Can you solve this real interview question? Unique Paths - There is a robot on an m x n grid. The robot is initially located at the top-left corner (i.e., grid[0][0]). The robot tries to move to the bottom-right corner (i.e., grid[m - 1][n - 1]). The robot leetcode.com 문제 유형 : 다이나믹 프로그래밍 문제 난이도 : Medium 문제 There is a..

https://leetcode.com/problems/counting-bits/description/ Counting Bits - LeetCode Can you solve this real interview question? Counting Bits - Given an integer n, return an array ans of length n + 1 such that for each i (0 1] + (i & 1); } return table; } };

https://leetcode.com/problems/minimum-number-of-taps-to-open-to-water-a-garden/description/ Minimum Number of Taps to Open to Water a Garden - LeetCode Can you solve this real interview question? Minimum Number of Taps to Open to Water a Garden - There is a one-dimensional garden on the x-axis. The garden starts at the point 0 and ends at the point n. (i.e The length of the garden is n). There a..

https://leetcode.com/problems/summary-ranges/description/?envType=study-plan-v2&envId=top-interview-150 Summary Ranges - LeetCode Can you solve this real interview question? Summary Ranges - You are given a sorted unique integer array nums. A range [a,b] is the set of all integers from a to b (inclusive). Return the smallest sorted list of ranges that cover all the numbers in the arr leetcode.co..

https://leetcode.com/problems/minimum-penalty-for-a-shop/description/ Minimum Penalty for a Shop - LeetCode Can you solve this real interview question? Minimum Penalty for a Shop - You are given the customer visit log of a shop represented by a 0-indexed string customers consisting only of characters 'N' and 'Y': * if the ith character is 'Y', it means that cust leetcode.com 문제 유형 : 구간 합(Prefix ..

https://leetcode.com/problems/valid-sudoku/description/?envType=study-plan-v2&envId=top-interview-150 Valid Sudoku - LeetCode Can you solve this real interview question? Valid Sudoku - Determine if a 9 x 9 Sudoku board is valid. Only the filled cells need to be validated according to the following rules: 1. Each row must contain the digits 1-9 without repetition. 2. Each c leetcode.com 문제 유형 : 2..

https://leetcode.com/problems/valid-anagram/description/?envType=study-plan-v2&envId=top-interview-150 Valid Anagram - LeetCode Can you solve this real interview question? Valid Anagram - Given two strings s and t, return true if t is an anagram of s, and false otherwise. An Anagram is a word or phrase formed by rearranging the letters of a different word or phrase, typically using leetcode.com ..

https://leetcode.com/problems/longest-substring-without-repeating-characters/description/?envType=study-plan-v2&envId=top-interview-150 int: n = len(s) maxLen = 0 left = 0 charSet = set() for right in range(n): while s[right] in charSet: charSet.remove(s[left]) left += 1 charSet.add(s[right]) maxLen = max(maxLen, right - left + 1) return maxLen Java class Solution { public int lengthOfLongestSub..

https://leetcode.com/problems/excel-sheet-column-title/description/ Excel Sheet Column Title - LeetCode Can you solve this real interview question? Excel Sheet Column Title - Given an integer columnNumber, return its corresponding column title as it appears in an Excel sheet. For example: A -> 1 B -> 2 C -> 3 ... Z -> 26 AA -> 27 AB -> 28 ... Example 1: I leetcode.com 문제 유형 : 문자열 처리 문제 난이도 : Eas..

https://leetcode.com/problems/repeated-substring-pattern/ Repeated Substring Pattern - LeetCode Can you solve this real interview question? Repeated Substring Pattern - Given a string s, check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. Example 1: Input: s = "abab" Output: true Expl leetcode.com 문제 유형 : 문자열 처리 문제 난이도 : Easy 문제 Giv..