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Leetcode - Maximum Product Subarray

Leetcode : Maximum Product SubarrayGiven an integer array nums, find the contiguous subarray within an array (containing at least one number) which ha

2020년 11월 6일
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Leetcode - 3Sum Closest

Leetcode : 3Sum ClosestGiven an array nums of n integers and an integer target, find three integers in nums such that the sum is closest to target. Re

2020년 11월 5일
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Leetcode - Container With Most Water

Leetcode : Container With Most WaterGiven n non-negative integers a1, a2, ..., an , where each represents a point at coordinate (i, ai). n vertical li

2020년 11월 5일
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Leetcode - Pow(x, n)

Leetcode : Pow(x,n)DescriptionImplement pow(x, n), which calculates x raised to the power n (i.e. xn).Constraints\-100.0 < x < 100.0\-231 <=

2020년 11월 4일
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Leetcode - String to Integer (atoi)

Leetcode : String to Integer (atoi)Implement atoi which converts a string to an integer.ConstraintsOnly the space character ' ' is considered a whites

2020년 10월 7일
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Leetcode - Merge Sorted Array

Leetcode : Merge Sorted ArrayGiven two sorted integer arrays nums1 and nums2, merge nums2 into nums1 as one sorted array.ExampleInputOutputUse two poi

2020년 10월 7일
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Oracle SQL - Constraints

SQL Constraints are rules used to limit the type of data that can go into a table, to maintain the accuracy and integrity of the data inside table.Syn

2020년 9월 23일
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Oracle SQL - Data Types

Structured Query Language (SQL) is a domain-specific programming language designed to manage the data stored in relational database management system.

2020년 9월 23일
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Leetcode - 3Sum

Leetcode : 3SumGiven 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 wh

2020년 9월 19일
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Leetcode - Longest Substring Without Repeating Characters

Leetcode : Longest Substring Without Repeating CharactersGiven a string s, find the length of the longest substring without repeating characters.Examp

2020년 9월 19일
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Leetcode - Roman to Integer

Leetcode : Roman to IntegerRoman numerals are represented by seven different symbols: I, V, X, L, C, D and M.Given a roman numeral, convert it to an i

2020년 9월 18일
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Leetcode - Integer to Roman

Leetcode : Integer to RomanRoman numerals are represented by seven different symbols: I, V, X, L, C, D and M.Given an integer, convert it to a roman n

2020년 9월 18일
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Leetcode - Symmetric Tree

Leetcode : Symmetric TreeGiven a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).For example, this binary tree 1

2020년 9월 17일
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Baekjoon - Seats in Theater

Baekjoon : Seats in TheaterThere is theater with seats in one line ranging from 1 to N. Audience must take a seat according the number on the ticket.

2020년 9월 5일
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Baekjoon - Goldbach's Conjecture

Baekjoon : Goldbach's ConjectureVerify Goldbach's conjecture for all even numbers less than a million.Goldbach's Conjecture"Every even number greater

2020년 9월 4일
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Baekjoon - Integer Triangle

Baekjoon : Integer TriangleFigure 1 shows a number triangle. Write a program that calculates the highest sum of numbers passed on a route that starts

2020년 9월 4일
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Structured vs. Unstructured Data

Big Data, the new big thing of the industry, is comprised of structured and unstructured dataKnowing the difference of the two data types is paramount

2020년 9월 3일
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The Difference Between Binary & Text Files

Any files can be categorized into binary or text filesAlthough the file which appear on the computer may look the same, it differs its type by the way

2020년 9월 3일
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Baekjoon - Combining Two Solutions

Leetcode : Combining Two SolutionsPH Solution's PH value is represented in positive integer ranging from 1 - 1,000,000,000. While the Alkaline solutio

2020년 8월 27일
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Baekjoon - Climbing Stairs

Baekjoon : Climbing StairsGiven a stair S with a point on each floor, return the maximum score after climbing to the top of the stairs.Rule of the Gam

2020년 8월 27일
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