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Tag Archives: cpp-queue

Given an initial array, A[] and a final array B[] both of size N containing integers from the range [1, N], where A[] represent the… Read More
Given two integers N and M, the task is to find out smallest number of operations required to convert N to M. Each operation involves… Read More
Given a two dimensional grid, each cell of which contains integer cost which represents a cost to traverse through that cell. The task is to… Read More
Given a binary tree, write a function that returns true if the tree satisfies below property:For every node, data value must be equal to the… Read More
Given two integers A and B, the task is to find the minimum positive integer N such that N is divisible by A and the… Read More
Given the root of a binary tree and a key x in it, find the distance of the given key from the root node. Dis­tance… Read More
Given a Queue of integers. The task is to check if consecutive elements in the queue are pairwise consecutive. Examples:  Input: 1 2 5 6… Read More
Given an array of elements, the task is to insert these elements in level order and construct a tree. Input : arr[] = {10, 20,… Read More
Given a binary tree and data value of a node. The task is to find the sum of cousin nodes of given node. If given… Read More
Given an array of integers and a number K with initial and final values. Your task is to find the minimum number of steps required… Read More
Given lengths of n rods in an array a[]. If any person picks any rod, half of the longest rod (or (max + 1) /… Read More
Write a function to print spiral order traversal of a tree. For below tree, function should print 1, 2, 3, 4, 5, 6, 7.   You… Read More
Given a root node to a tree, find the sum of all the leaf nodes which are at maximum depth from the root node. Example: … Read More
Given start, end and an array of N numbers. At each step, start is multiplied with any number in the array and then mod operation… Read More

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