HackerRank

Solutions to HackerRank problems

• Algorithms
• Data Structures
• Python
• Linux Shell
• CPP
• C
• Interview Preparation Kit

Algorithms

| Subdomain | Difficulty | Challenge | Solution | |:---------:|:----------:|:---------:|:--------:| |Warmup|Easy|Solve Me First|solve-me-first.py| |Warmup|Easy|Simple Array Sum|simple-array-sum.py| |Warmup|Easy|Compare the Triplets|compare-the-triplets.py| |Warmup|Easy|A Very Big Sum|a-very-big-sum.py| |Warmup|Easy|Diagonal Difference|diagonal-difference.py| |Warmup|Easy|Plus Minus|plus-minus.py| |Warmup|Easy|Staircase|staircase.py| |Warmup|Easy|Mini-Max Sum|mini-max-sum.py| |Warmup|Easy|Birthday Cake Candles|birthday-cake-candles.py| |Warmup|Easy|Time Conversion|time-conversion.py| |Implementation|Easy|Grading Students|grading.py| |Implementation|Easy|Apple and Orange|apple-and-orange.py| |Implementation|Easy|Kangaroo|kangaroo.py| |Implementation|Easy|Between Two Sets|between-two-sets.py| |Implementation|Easy|Breaking the Records|breaking-best-and-worst-records.py| |Implementation|Easy|Birthday Chocolate|the-birthday-bar.py| |Implementation|Easy|Divisible Sum Pairs|divisible-sum-pairs.py| |Implementation|Easy|Migratory Birds|migratory-birds.py| |Implementation|Easy|Day of the Programmer|day-of-the-programmer.py| |Implementation|Easy|Bon Appétit|bon-appetit.py| |Implementation|Easy|Sock Merchant|sock-merchant.py| |Implementation|Easy|Drawing Book|drawing-book.py| |Implementation|Easy|Counting Valleys|counting-valleys.py| |Implementation|Easy|Electronics Shop|electronics-shop.py| |Implementation|Easy|Cats and a Mouse|cats-and-a-mouse.py| |Implementation|Easy|Picking Numbers|picking-numbers.py| |Implementation|Easy|The Hurdle Race|the-hurdle-race.py| |Implementation|Easy|Designer PDF Viewer|designer-pdf-viewer.py| |Implementation|Easy|Utopian Tree|utopian-tree.py| |Implementation|Easy|Angry Professor|angry-professor.py| |Implementation|Easy|Beautiful Days at the Movies|beautiful-days-at-the-movies.py| |Implementation|Easy|Viral Advertising|strange-advertising.py| |Implementation|Easy|Save the Prisoner!|save-the-prisoner.py| |Implementation|Easy|Circular Array Rotation|circular-array-rotation.py| |Implementation|Easy|Sequence Equation|permutation-equation.py| |Implementation|Easy|Jumping on the Clouds: Revisited|jumping-on-the-clouds-revisited.py| |Implementation|Easy|Find Digits|find-digits.py| |Implementation|Easy|Append and Delete|append-and-delete.py| |Implementation|Easy|Sherlock and Squares|sherlock-and-squares.py| |Implementation|Easy|Library Fine|library-fine.py| |Implementation|Easy|Cut the sticks|cut-the-sticks.py| |Implementation|Easy|Repeated String|repeated-string.py| |Implementation|Easy|Jumping on the Clouds|jumping-on-the-clouds.py| |Implementation|Easy|Equalize the Array|equality-in-a-array.py| |Implementation|Easy|ACM ICPC Team|acm-icpc-team.py| |Implementation|Easy|Taum and B'day|taum-and-bday.py| |Implementation|Easy|Modified Kaprekar Numbers|kaprekar-numbers.py| |Implementation|Easy|Beautiful Triplets|beautiful-triplets.py| |Implementation|Easy|Minimum Distances|minimum-distances.py| |Implementation|Easy|Chocolate Feast|chocolate-feast.py| |Implementation|Easy|Service Lane|service-lane.py| |Implementation|Easy|Lisa's Workbook|lisa-workbook.py| |Implementation|Easy|Flatland Space Stations|flatland-space-stations.py| |Implementation|Easy|Fair Rations|fair-rations.py| |Implementation|Easy|Cavity Map|cavity-map.py| |Implementation|Easy|Manasa and Stones|manasa-and-stones.py| |Implementation|Easy|Happy Ladybugs|happy-ladybugs.py| |Implementation|Easy|Strange Counter|strange-code.py| |Implementation|Easy|Halloween Sale|halloween-sale.py| |Implementation|Medium|Forming a Magic Square|magic-square-forming.py| |Implementation|Medium|Climbing the Leaderboard|[climbing-the-leaderboa