Algorithms / C++ / Leets
Leet 9 – Palindrome Number
Determine whether an integer is a palindrome. An integer is a palindrome when it reads the same backward as forward. Example 1: Input: 121 Output: true Example 2: Input: …
Tag: leet
Leet 16 – 3Sum Closest
Given an array nums of n integers and an integer target, find three integers in nums such that the sum is closest to target. Return the sum of the three integers. You may …
Algorithms / C++ / Leets
Leet 15 – 3Sum
Given an array nums of n integers, are there elements a, b, c in nums such that a + b + c = 0? Find all unique triplets in the array which gives the sum of zero. Note: The solution set …
Algorithms / C++ / Leets
Leet 14 – Longest Prefix
Write a function to find the longest common prefix string amongst an array of strings. If there is no common prefix, return an empty string “”. …
Algorithms / C++ / Leets
Leet 12 – Integer to Roman
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 …
Algorithms / C++ / Leets
Leet 11 – Container With Most Water
Given n non-negative integers a1, a2, …, an , where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two endpoints of line i is at (i, ai) and (i, …
Leet 10 – Regular Expression Matching
Given an input string (s) and a pattern (p), implement regular expression matching with support for ‘.’ and ‘*’. ‘.’ Matches any single character. ‘*’ Matches zero or …