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1. Commits on Jan 23, 2021

   • Programming rounds

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2. Commits on Jan 18, 2021

   • Swap Alternate Nodes

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3. Commits on Jan 13, 2021

   • Interview questions

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4. Commits on Dec 26, 2020

   • Find the number of substrings in A which starts with vowel and end with consonants or vice-versa with modulo 109 + 7.

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5. Commits on Dec 24, 2020

   • Given a linked list A , reverse the order of all nodes at even positions.

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6. Commits on Nov 27, 2020

   • AlgoExpert - Validate Subsequence

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7. Commits on Nov 25, 2020

   • Segment Trees - Order of People Heights

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   • Invert the Binary Tree

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   • Flatten Binary Tree to Linked List

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   • Flatten Binary Tree to Linked List

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8. Commits on Oct 17, 2020

   • Fixed import error

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9. Commits on Jun 7, 2020

   • Given an array of real numbers greater than zero in form of strings. Find if there exists a triplet (a,b,c) such that 1 < a+b+c < 2 .

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10. Commits on Jun 6, 2020

    • Two elements of a binary search tree (BST) are swapped by mistake. Tell us the 2 values swapping which the tree will be restored.

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11. Commits on Jun 5, 2020

    • Given a matrix of integers A of size N x M. Calculate the sum of all submatrices and return the maximum among all those sums.

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12. Commits on Jun 4, 2020

    • ConstructBinaryTreeFromInorderAndPreorder

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13. Commits on Jun 3, 2020

    • You are giving candies to these children subjected to the following requirements: Each child must have at least one candy. Children with a higher rating get more candies than their neighbors. What…

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14. Commits on Jun 2, 2020

    • Revert "Coding round of a Freelancing site."

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    • Coding round of a Freelancing site.

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    • Graph notes updated

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    • Find whether the graph contains a cycle or not, return 1 if cycle is present else return 0.

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15. Commits on Jun 1, 2020

    • Every minute, any fresh orange that is adjacent (Left, Right, Top, or Bottom) to a rotten orange becomes rotten. Return the minimum number of minutes that must elapse until no cell has a fresh oran…

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16. Commits on May 30, 2020

    • Find out the number of N digit numbers, whose digits on being added equals to a given number S.

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    • You are given N balloons each with a number of coins associated with them. An array of integers A represents the coins associated with the ith balloon.

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17. Commits on May 27, 2020

    • A sequence of numbers is called arithmetic if it consists of at least three elements and if the difference between any two consecutive elements is the same.

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    • Find the maximum number of envelopes you can put one inside other

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    • As it is Tushar's Birthday on March 1st, he decided to throw a party to all his friends at TGI Fridays in Pune. Given are the eating capacity of each friend, filling capacity of each dish and cost …

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    • CheckWhetherTheGraphIsBipartiteOrNot

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    • Given character matrix A of O's and X's, where O = white, X = black. Return the number of black shapes. A black shape consists of one or more adjacent X's (diagonals not included)

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18. Commits on May 26, 2020

    • Look CPP answer. This gives StackTraceError

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    • Given an array A of positive elements, you have to flip the sign of some of its elements such that the resultant sum of the elements of array should be minimum non-negative(as close to zero as pos…

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    • Programing test of Gun.io

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19. Commits on May 25, 2020

    • https://www.hackerrank.com/certificates/39a1e3d6cb9d

      UjjwalPandey

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20. Commits on May 24, 2020

    • Given a number A, return number of ways you can draw A chords in a circle with 2 x A points such that no 2 chords intersect.

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    • Given a binary tree T, find the maximum path sum.

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    • Given a 2-D binary A A of size N x M filled with 0's and 1's, find the largest rectangle containing all ones and return its area.

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