Given head, the head of a linked list, determine if the linked list has a cycle in it. There is a cycle in a linked list...
DSA
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...
DSA
leetcode
Given a sorted array of distinct integers and a target value, return the index if the target is found. if not, return the index where...
DSA