Maximum Number of Operations to Move Ones to the End You are given a binary string s. You can perform the following operation on the string any number of times: Choose **any** index i from the ...
Minimum Number of Operations to Make All Array Elements Equal to 1 You are given a 0-indexed array nums consisiting of positive integers. You can do the following operation on the array any numbe...
Ones and Zeroes You are given an array of binary strings strs and two integers m and n. Return the size of the largest subset of strs such that there are at most *m 0’s and n 1’s in the subset*....
Minimum Operations to Convert All Elements to Zero You are given an array nums of size n, consisting of non-negative integers. Your task is to apply some (possibly zero) operations on the array s...
Count Operations to Obtain Zero You are given two non-negative integers num1 and num2. In one operation, if num1 >= num2, you must subtract num2 from num1, otherwise subtract num1 from num2. ...
File I/O All system calls are atomic in nature, all steps in that system call either complete or fail open takes a flag O_EXCL which means to create the file exclusively when it does not exis...
Find the Minimum Amount of Time to Brew Potions You are given two integer arrays, skill and mana, of length n and m, respectively. In a laboratory, n wizards must brew m potions in order. Each p...
Taking Maximum Energy From the Mystic Dungeon In a mystic dungeon, n magicians are standing in a line. Each magician has an attribute that gives you energy. Some magicians can give you negative e...
Pacific Atlantic Water Flow There is an m x n rectangular island that borders both the Pacific Ocean and Atlantic Ocean. The Pacific Ocean touches the island’s left and top edges, and the Atlanti...
Container With Most Water You are given an integer array height of length n. There are n vertical lines drawn such that the two endpoints of the ith line are (i, 0) and (i, height[i]). Find two ...