HackerRank_solutions

317 efficient solutions to HackerRank problems

* [10 Days of Statistics](#10-days-of-statistics) * [30 Days of Code](#30-days-of-code) * [Algorithms](#algorithms) * [Cracking the Coding Interview](#cracking-the-coding-interview) * [Data Structures](#data-structures) * [General Programming](#general-programming) * [Implementation](#implementation) * [Java](#java) * [SQL](#sql) Solutions are coded using Java 8 SQL solutions are coded using MySQL # 10 Days of Statistics | Day | Challenge | Points | Solution | |:---:|:--------------------------------------------------------------------------------------------------------------------------:|:------:|:-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------:| | 0 | [Mean, Median, and Mode](https://www.hackerrank.com/challenges/s10-basic-statistics) | 30 | [Solution.java](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%200%20-%20Mean%2C%20Median%2C%20and%20Mode/Solution.java) | | 0 | [Weighted Mean](https://www.hackerrank.com/challenges/s10-weighted-mean) | 30 | [Solution.java](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%200%20-%20Weighted%20Mean/Solution.java) | | 1 | [Quartiles](https://www.hackerrank.com/challenges/s10-quartiles) | 30 | [Solution.java](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%201%20-%20Quartiles/Solution.java) | | 1 | [Interquartile Range](https://www.hackerrank.com/challenges/s10-interquartile-range) | 30 | [Solution.java](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%201%20-%20Interquartile%20Range/Solution.java) | | 1 | [Standard Deviation](https://www.hackerrank.com/challenges/s10-standard-deviation) | 30 | [Solution.java](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%201%20-%20Standard%20Deviation/Solution.java) | | 2 | [Basic Probability](https://www.hackerrank.com/challenges/s10-mcq-1) | 10 | [Solution](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%202%20-%20Basic%20Probability/Solution.txt) | | 2 | [More Dice](https://www.hackerrank.com/challenges/s10-mcq-2) | 10 | [Solution](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%202%20-%20More%20Dice/Solution.txt) | | 2 | [Compound Event Probability](https://www.hackerrank.com/challenges/s10-mcq-3) | 10 | [Solution](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%202%20-%20Compound%20Event%20Probability/Solution.txt) | | 3 | [Conditional Probability](https://www.hackerrank.com/challenges/s10-mcq-4) | 10 | [Solution](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%203%20-%20Conditional%20Probability/Solution.txt) | | 3 | [Cards of the Same Suit](https://www.hackerrank.com/challenges/s10-mcq-5) | 10 | [Solution](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%203%20-%20Cards%20of%20the%20Same%20Suit/Solution.txt) | | 3 | [Drawing Marbles](https://www.hackerrank.com/challenges/s10-mcq-6) | 10 | [Solution](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%203%20-%20Drawing%20Marbles/Solution.txt) | | 4 | [Binomial Distribution I](https://www.hackerrank.com/challenges/s10-binomial-distribution-1) | 30 | [Solution.java](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%204%20-%20Binomial%20Distribution%20I/Solution.java) | | 4 | [Binomial Distribution II](https://www.hackerrank.com/challenges/s10-binomial-distribution-2) | 30 | [Solution.java](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%204%20-%20Binomial%20Distribution%20II/Solution.java) | | 4 | [Geometric Distribution I](https://www.hackerrank.com/challenges/s10-geometric-distribution-1) | 30 | [Solution.java](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%204%20-%20Geometric%20Distribution%20I/Solution.java) | | 4 | [Geometric Distribution II](https://www.hackerrank.com/challenges/s10-geometric-distribution-2) | 30 | [Solution.java](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%204%20-%20Geometric%20Distribution%20II/Solution.java) | | 5 | [Poisson Distribution I](https://www.hackerrank.com/challenges/s10-poisson-distribution-1) | 30 | [Solution.java](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%205%20-%20Poisson%20Distribution%20I/Solution.java) | | 5 | [Poisson Distribution II](https://www.hackerrank.com/challenges/s10-poisson-distribution-2) | 30 | [Solution.java](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%205%20-%20Poisson%20Distribution%20II/Solution.java) | | 5 | [Normal Distribution I](https://www.hackerrank.com/challenges/s10-normal-distribution-1) | 30 | [Solution.java](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%205%20-%20Normal%20Distribution%20I/Solution.java) | | 5 | [Normal Distribution II](https://www.hackerrank.com/challenges/s10-normal-distribution-2) | 30 | [Solution.java](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%205%20-%20Normal%20Distribution%20II/Solution.java) | | 6 | [The Central Limit Theorem I](https://www.hackerrank.com/challenges/s10-the-central-limit-theorem-1) | 30 | [Solution.java](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%206%20-%20The%20Central%20Limit%20Theorem%20I/Solution.java) | | 6 | [The Central Limit Theorem II](https://www.hackerrank.com/challenges/s10-the-central-limit-theorem-2) | 30 | [Solution.java](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%206%20-%20The%20Central%20Limit%20Theorem%20II/Solution.java) | | 6 | [The Central Limit Theorem III](https://www.hackerrank.com/challenges/s10-the-central-limit-theorem-3) | 30 | [Solution.java](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%206%20-%20The%20Central%20Limit%20Theorem%20III/Solution.java) | | 7 | [Pearson Correlation Coefficient I](https://www.hackerrank.com/challenges/s10-pearson-correlation-coefficient) | 30 | [Solution.java](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%207%20-%20Pearson%20Correlation%20Coefficient%20I/Solution.java) | | 7 | [Spearman's Rank Correlation Coefficient](https://www.hackerrank.com/challenges/s10-spearman-rank-correlation-coefficient) | 30 | [Solution.java](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%207%20-%20Spearman%27s%20Rank%20Correlation%20Coefficient/Solution.java) | | 8 | [Least Square Regression Line](https://www.hackerrank.com/challenges/s10-least-square-regression-line) | 30 | [Solution.java](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%208%20-%20Least%20Square%20Regression%20Rate/Solution.java) | | 8 | [Pearson Correlation Coefficient II](https://www.hackerrank.com/challenges/s10-mcq-7) | 30 | [Solution](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%208%20-%20Pearson%20Correlation%20Coefficient%20II/Solution.txt) | | 9 | [Multiple Linear Regression](https://www.hackerrank.com/challenges/s10-multiple-linear-regression) | 30 | [Solution.java](https://github.com/RodneyShag/HackerRank_solutions/blob/master/10%20Days%20of%20Statistics/Day%209%20-%20Multiple%20Linear%20Regression/Solution.java) | # 30 Days of Code | Day | Challenge | Points | Solution | |:---:|:-------------------------------------------------------------------------------------------------------:|:------:|:---------------------------------------------------------------------------------------------------------------------------------------------------------------------------:| | 0 | [Hello, World](https://www.hackerrank.com/challenges/30-hello-world) | 30 | [Solution.java](https://github.com/RodneyShag/HackerRank_solutions/blob/master/30%20Days%20of%20Code/Day%2000%20-%20Hello%2C%20World/Solution.java) | | 1 | [Data Types](https://www.hackerrank.com/challenges/30-data-types) | 30 | [Solution.java](https://github.com/RodneyShag/HackerRank_solutions/blob/master/30%20Days%20of%20Code/Day%2001%20-%20Data%20Types/Solution.java) | | 2 | [Operators](https://www.hackerrank.com/challenges/30-operators) | 30 | [Solution.java](https://github.com/RodneyShag/HackerRank_solutions/blob/master/30%20Days%20of%20Code/Day%2002%20-%20Operators/Solution.java) | | 3 | [Intro to Conditional Statements](https://www.hackerrank.com/challenges/30-conditional-statements) | 30 | [Solution.java](https://github.com/RodneyShag/HackerRank_solutions/blob/master/30%20Days%20of%20Code/Day%2003%20-%20Intro%20to%20Conditional%20Statements/Solution.java) | | 4 | [Class vs. Instance](https://www.hackerrank.com/challenges/30-class-vs-instance)