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Description https://leetcode.com/problems/combination-sum/ Given an array of distinct integers candidates and a target integer target, return a list of all unique combinations of candidates where the chosen numbers sum to target. You may…
Description Given a collection of candidate numbers (candidates) and a target number (target), find all unique combinations in candidates where the candidate…
Description Design a stack that supports push, pop, top, and retrieving the minimum element in constant time. push(x) — Push…
Description Implement int sqrt(int x). Compute and return the square root of x, where x is guaranteed to be a non-negative integer. Since the…
Description https://leetcode.com/problems/fizz-buzz/ Write a program that outputs the string representation of numbers from 1 to n. But for multiples of three…
Description Given an array of integers nums sorted in ascending order, find the starting and ending position of a given target value. Your algorithm’s…
Description https://leetcode.com/problems/binary-tree-preorder-traversal/description/ Given a binary tree, return the preorder traversal of its nodes’ values. For example: Given binary tree {1,#,2,3}, 1 \ 2…
Description Given a sorted array of distinct integers and a target value, return the index if the target is found.…
In this tutorial, we are going to write machine learning program with our own classifier. 1. Steps First, we need to…
Machine Learning Coding Tutorial 4. Testing Accuracy In this tutorial, we are going to write a program testing machine learning…