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RECENT POSTS

11
Feb
Maximum (or minimum) sum of subarray of size k

Given an array of n integers, find the sub-array of length k with maximum sum. For example, Input Array: {6, 4, 3, 5, 1, 9, 2} k:3 Output: 15 (sum of sub-array 5, 1, 9)

Posted in: Algorithms,
Tags: Array, Sliding Window,
10
Feb
Consecutive numbers with sum equal to n

Given a positive integer n, print the consecutive numbers whose sum is equal to n. For example, n = 20 Output: 2, 3, 4, 5, 6 (because 2+3+4+5+6+7 = 20) n = 29 Output: 14, 15

Posted in: Algorithms,
Tags: Array, Sliding Window,
09
Feb
Number of ways to arrange tiles on a board

Given a board of size 2*n and tiles of dimension 1*2 each. In how many ways can we arrange the tiles so that entire board is covered. We can only place the tiles either horizontally or vertically without breaking them. For example, if the board is of length 3 (n=3), then tiles can be placed […]

Posted in: Algorithms,
Tags: Dynamic Programming, Fibonacci series,

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