new order

PranjalSurana · Feb 28, 2019 · a84d085 · a84d085
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@@ -2,98 +2,98 @@
 
 My solutions for programming problems from <https://www.dailycodingproblem.com/>
 
-If you are looking to help out a fellow programmer, please head over to the [Issues Section](https://github.com/piyush-kgp/Daily-Coding-Problems/issues) and look for the label `help wanted`.
+If you are looking to help out a fellow programmer, please head over to the [Issues Section](0https://github.com/piyush-kgp/Daily-Coding-Problems/issues) and look for the label `help wanted`.
 
 #### Problem Legend
 | Problem ID | Problem        | Asked by           | Solved status  | Solved in |
 |:---:|:-------------:|:-------------:|-------------:|-------------:|
-| 1 | [2-Sum problem](1) | Google | Solved | Python, C++ |
-| 2 | [Product except self](2) | Uber | Solved | Python, C++ |
-| 3 | [Serialize and Deserialize Binary Trees](3) | Google | Solved | Python |
-| 4 | [First missing positive](4) | Stripe | Solved | Python, C++ |
-| 5 | [car, cdr, cons](5) | Jane Street | Solved | Python |
-| 6 | [XOR Linked list](6) | Google | Solved | C++ |
-| 7 | [Number of ways to decode a message](7) | Facebook | Solved |  Python, C++ |
-| 8 | [Universal Value Tree Count](8) | Google | Solved | Python |
-| 9 | [Largest sum of non-adjacent numbers in array](9) | Airbnb | Solved | Python |
-| 10 | [ Job Scheduler](10) | Apple | Solved | Python |
-| 11 | [Autocomplete system](11) | Twitter | Solved | Python |
-| 12 | [Number of ways to climb a staircase](12) | Amazon | Solved | Python |
-| 13 | [Longest substring with at most K distinct characters](13) | Amazon | Unsolved |  |
-| 14 | [Pi estimation using Monte Carlo method](14) | Google | Solved | Python |
-| 15 | [Random element from large input stream](15) | Facebook | Solved | Python |
-| 16 | [Order Log](16) | Twitter | Solved | Python |
-| 17 | [Directory structure](17) | Google | Unsolved |  |
-| 18 | [Max of each Subarray](18) | Google | Solved | Python |
-| 19 | [House paint problem](19) | Facebook | Unsolved |  |
-| 20 | [Intersecting Linked Lists](20) | Google | Solved | Python |
-| 21 | [Classroom Scheduling problem](21) | Snapchat | Solved | Python |
-| 22 | [Word Break](22) | Microsoft | Solved | Python |
-| 23 | [Number of ways to go from A to B](23) | Google | Unsolved |  |
-| 24 | [Binary Tree Locking](24) | Google | Unsolved |  |
-| 25 | [Regular Expression Implementation](25) | Facebook | Unsolved |  |
-| 26 | [Remove k<sup>th</sup> last element in linked list](26) | Google | Solved | Python |
-| 27 | [Balanced brackets](27) | Facebook | Unsolved |  |
-| 28 | [Justify text](28) | Palantir | Unsolved |  |
-| 29 | [Run length encoding](29) | Amazon | Unsolved |  |
-| 30 | [Elevation map](30) | Facebook | Unsolved |  |
-| 31 | [Minimum edit distance between two strings](31) | Google | Unsolved |  |
-| 32 | [Currency Exchange](32) | Jane Street | Unsolved |  |
-| 33 | [Running Median](33) | Microsoft | Solved | Python |
-| 34 | [Minimum insertion palindrome](34) | Quora | Unsolved |  |
-| 35 | [Swap RGB array in-place](35) | Google | Solved | Python |
-| 36 | [Second largest node in binary tree](36) | Dropbox | Solved | Python |
-| 37 | [Power Set](37) | Google | Solved | Python |
-| 38 | [Non-threatening Queens](38) | Microsoft | Solved | Python |
-| 39 | [Conway's Game of Life](39) | Dropbox | Unsolved |  |
-| 40 | [Non-duplicated item in array](40) | Google | Solved | Python |
-| 41 | [Flight itinerary](41) | Facebook | Solved | Python |
-| 42 | [K sum subset](42) | Google | Solved | Python |
-| 43 | [Stack Implementation](43) | Amazon | Solved | Python |
-| 44 | [Count inversions](44) | Google | Solved | Python |
-| 45 | [Random number generator](45) | Two Sigma | Solved | Python |
-| 46 | [Longest palindromic substring](46) | Amazon | Solved | Python |
-| 47 | [Maximum stock profit](47) | Facebook | Solved | Python |
-| 48 | [Reconstruct binary tree given preorder and postorder traversals](48) | Google | Solved | Python |
-| 49 | [Max Sum Subarray or Kadane's algorithm](49) | Amazon | Solved | Python |
-| 50 | [Binary Tree Arithmetic](50) | Microsoft | Solved | Python |
-| 51 | [Deck shuffling with swaps only](51) | Facebook | Solved | Python |
-| 52 | [LRU Cache Implementation](52) | Google | Solved | Python |
-| 53 | [Queue Implementation](53) | Apple | Unsolved |  |
-| 54 | [Sudoku solver](54) | Dropbox | Unsolved |  |
-| 55 | [URL shortener](55) | Microsoft | Solved | Python |
-| 56 | [Graph Coloring](56) | Google | Unsolved |  |
-| 57 | [String Break](57) | Amazon | Unsolved |  |
-| 58 | [Rotated sorted array search](58) | Amazon | Solved | Python |
-| 59 | [File Syncing between two computers](59) | Google | Unsolved |  |
-| 60 | [Equal Sum Partition](60) | Facebook | Solved | Python |
-| 61 | [Integer exponentiation](61) | Google | Solved | Python |
-| 62 | [Top-Left to Bottom-Right](62) | Facebook | Solved | Python |
-| 63 | [Word Matrix](63) | Microsoft | Solved | Python |
-| 64 | [Knight's Tour](64) | Google | Unsolved |  |
-| 65 | [Spiral Matrix](65) | Amazon | Solved | Python |
-| 66 | [Unbiased Toss](66) | Square | Solved | Python |
-| 67 | [LFU Cache Implementation](67) | Google | Solved | Python |
-| 68 | [Attacking Bishops](68) | Google | Solved | Python |
-| 69 | [Max triplet product](69) | Facebook | Solved | Python |
-| 70 | [Perfect Numbers](70) | Microsoft | Solved | Python |
-| 71 | [Another Random Number Generator](71) | Microsoft | Solved | Python |
-| 72 | [Largest Value Path in a Directed Graph](71) | Google | Solved | Python |
-| 73 | [Reverse Linked List in-place](73) | Google | Solved | Python |
-| 74 | [Count occurrences in multiplication table](74) | Apple | Solved | Python |
-| 75 | [Largest increasing subsequence](75) | Microsoft | Solved | Python |
-| 76 | [Lexicographic matrix sort](76) | Google | Solved | Python |
-| 77 | [Merge overlapping intervals](77) | Snapchat | Solved | Python |
-| 78 | [Merge sorted linked lists](78) | Google | Solved | Python |
-| 79 | [Modifiabale non-decreasing array](79) | Facebook | Solved | Python |
-| 80 | [Deepest Node in Binary Tree](80) | Google | Solved | Python |
-| 81 | [Letter Combinations from Dictionary](81) | Yelp | Solved | Python |
-| 82 | [Implementation of readN(n) using read7](82) | Microsoft | Solved | Python |
-| 83 | [Reverse Binary Tree](83) | Google | Solved | Python |
-| 84 | [Island Count](84) | Amazon | Solved | Python |
-| 85 | [X or Y](85) | Facebook | Solved | Python |
-| 86 | [Min parantheses removal](86) | Google | Solved | Python |
-| 87 | [Validate Map](87) | Uber | Solved | Python |
-| 88 | [Integer division](88) | ContextLogic | Solved | Python |
-| 89 | [Valid BST](89) | LinkedIn | Solved | Python |
-| 90 | [Random number generator with exception rule](90) | Google | Solved | Python |
+| 1 | [2-Sum problem](001) | Google | Solved | Python, C++ |
+| 2 | [Product except self](002) | Uber | Solved | Python, C++ |
+| 3 | [Serialize and Deserialize Binary Trees](003) | Google | Solved | Python |
+| 4 | [First missing positive](004) | Stripe | Solved | Python, C++ |
+| 5 | [car, cdr, cons](005) | Jane Street | Solved | Python |
+| 6 | [XOR Linked list](006) | Google | Solved | C++ |
+| 7 | [Number of ways to decode a message](007) | Facebook | Solved |  Python, C++ |
+| 8 | [Universal Value Tree Count](008) | Google | Solved | Python |
+| 9 | [Largest sum of non-adjacent numbers in array](009) | Airbnb | Solved | Python |
+| 10 | [ Job Scheduler](010) | Apple | Solved | Python |
+| 11 | [Autocomplete system](011) | Twitter | Solved | Python |
+| 12 | [Number of ways to climb a staircase](012) | Amazon | Solved | Python |
+| 13 | [Longest substring with at most K distinct characters](013) | Amazon | Unsolved |  |
+| 14 | [Pi estimation using Monte Carlo method](014) | Google | Solved | Python |
+| 15 | [Random element from large input stream](015) | Facebook | Solved | Python |
+| 16 | [Order Log](016) | Twitter | Solved | Python |
+| 17 | [Directory structure](017) | Google | Unsolved |  |
+| 18 | [Max of each Subarray](018) | Google | Solved | Python |
+| 19 | [House paint problem](019) | Facebook | Unsolved |  |
+| 20 | [Intersecting Linked Lists](020) | Google | Solved | Python |
+| 21 | [Classroom Scheduling problem](021) | Snapchat | Solved | Python |
+| 22 | [Word Break](022) | Microsoft | Solved | Python |
+| 23 | [Number of ways to go from A to B](023) | Google | Unsolved |  |
+| 24 | [Binary Tree Locking](024) | Google | Unsolved |  |
+| 25 | [Regular Expression Implementation](025) | Facebook | Unsolved |  |
+| 26 | [Remove k<sup>th</sup> last element in linked list](026) | Google | Solved | Python |
+| 27 | [Balanced brackets](027) | Facebook | Unsolved |  |
+| 28 | [Justify text](028) | Palantir | Unsolved |  |
+| 29 | [Run length encoding](029) | Amazon | Unsolved |  |
+| 30 | [Elevation map](030) | Facebook | Unsolved |  |
+| 31 | [Minimum edit distance between two strings](031) | Google | Unsolved |  |
+| 32 | [Currency Exchange](032) | Jane Street | Unsolved |  |
+| 33 | [Running Median](033) | Microsoft | Solved | Python |
+| 34 | [Minimum insertion palindrome](034) | Quora | Unsolved |  |
+| 35 | [Swap RGB array in-place](035) | Google | Solved | Python |
+| 36 | [Second largest node in binary tree](036) | Dropbox | Solved | Python |
+| 37 | [Power Set](037) | Google | Solved | Python |
+| 38 | [Non-threatening Queens](038) | Microsoft | Solved | Python |
+| 39 | [Conway's Game of Life](039) | Dropbox | Unsolved |  |
+| 40 | [Non-duplicated item in array](040) | Google | Solved | Python |
+| 41 | [Flight itinerary](041) | Facebook | Solved | Python |
+| 42 | [K sum subset](042) | Google | Solved | Python |
+| 43 | [Stack Implementation](043) | Amazon | Solved | Python |
+| 44 | [Count inversions](044) | Google | Solved | Python |
+| 45 | [Random number generator](045) | Two Sigma | Solved | Python |
+| 46 | [Longest palindromic substring](046) | Amazon | Solved | Python |
+| 47 | [Maximum stock profit](047) | Facebook | Solved | Python |
+| 48 | [Reconstruct binary tree given preorder and postorder traversals](048) | Google | Solved | Python |
+| 49 | [Max Sum Subarray or Kadane's algorithm](049) | Amazon | Solved | Python |
+| 50 | [Binary Tree Arithmetic](050) | Microsoft | Solved | Python |
+| 51 | [Deck shuffling with swaps only](051) | Facebook | Solved | Python |
+| 52 | [LRU Cache Implementation](052) | Google | Solved | Python |
+| 53 | [Queue Implementation](053) | Apple | Unsolved |  |
+| 54 | [Sudoku solver](054) | Dropbox | Unsolved |  |
+| 55 | [URL shortener](055) | Microsoft | Solved | Python |
+| 56 | [Graph Coloring](056) | Google | Unsolved |  |
+| 57 | [String Break](057) | Amazon | Unsolved |  |
+| 58 | [Rotated sorted array search](058) | Amazon | Solved | Python |
+| 59 | [File Syncing between two computers](059) | Google | Unsolved |  |
+| 60 | [Equal Sum Partition](060) | Facebook | Solved | Python |
+| 61 | [Integer exponentiation](061) | Google | Solved | Python |
+| 62 | [Top-Left to Bottom-Right](062) | Facebook | Solved | Python |
+| 63 | [Word Matrix](063) | Microsoft | Solved | Python |
+| 64 | [Knight's Tour](064) | Google | Unsolved |  |
+| 65 | [Spiral Matrix](065) | Amazon | Solved | Python |
+| 66 | [Unbiased Toss](066) | Square | Solved | Python |
+| 67 | [LFU Cache Implementation](067) | Google | Solved | Python |
+| 68 | [Attacking Bishops](068) | Google | Solved | Python |
+| 69 | [Max triplet product](069) | Facebook | Solved | Python |
+| 70 | [Perfect Numbers](070) | Microsoft | Solved | Python |
+| 71 | [Another Random Number Generator](071) | Microsoft | Solved | Python |
+| 72 | [Largest Value Path in a Directed Graph](071) | Google | Solved | Python |
+| 73 | [Reverse Linked List in-place](073) | Google | Solved | Python |
+| 74 | [Count occurrences in multiplication table](074) | Apple | Solved | Python |
+| 75 | [Largest increasing subsequence](075) | Microsoft | Solved | Python |
+| 76 | [Lexicographic matrix sort](076) | Google | Solved | Python |
+| 77 | [Merge overlapping intervals](077) | Snapchat | Solved | Python |
+| 78 | [Merge sorted linked lists](078) | Google | Solved | Python |
+| 79 | [Modifiabale non-decreasing array](079) | Facebook | Solved | Python |
+| 80 | [Deepest Node in Binary Tree](080) | Google | Solved | Python |
+| 81 | [Letter Combinations from Dictionary](081) | Yelp | Solved | Python |
+| 82 | [Implementation of readN(n) using read7](082) | Microsoft | Solved | Python |
+| 83 | [Reverse Binary Tree](083) | Google | Solved | Python |
+| 84 | [Island Count](084) | Amazon | Solved | Python |
+| 85 | [X or Y](085) | Facebook | Solved | Python |
+| 86 | [Min parantheses removal](086) | Google | Solved | Python |
+| 87 | [Validate Map](087) | Uber | Solved | Python |
+| 88 | [Integer division](088) | ContextLogic | Solved | Python |
+| 89 | [Valid BST](089) | LinkedIn | Solved | Python |
+| 90 | [Random number generator with exception rule](090) | Google | Solved | Python |