LeetCode: Roman to Integer
Problem difficulty: Easy Problem description Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. Symbol Value I 1 V 5 X […]
LeetCode: Roman to Integer Read More »
Leetcode: Palindrome Number
Given an integer x, return true if x is a palindrome, and false otherwise. Example 1: Input: x = 121
Leetcode: Palindrome Number Read More »
LeetCode: Two Sum problem
Problem difficulty: Easy Problem description Given an array of integers nums and an integer target, return indices of the two numbers such that they
LeetCode: Two Sum problem Read More »