## Print all the levels with odd and even number of nodes in it | Set-2

Given an N-ary tree, print all the levels with odd and even number of nodes in it. Examples: For example consider the following tree 1… Read More »

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- Print all the levels with odd and even number of nodes in it | Set-2
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Given an N-ary tree, print all the levels with odd and even number of nodes in it. Examples: For example consider the following tree 1… Read More »

Given a directed graph, check whether the graph contains a cycle or not. Your function should return true if the given graph contains at least… Read More »

There are a total of n tasks you have to pick, labeled from 0 to n-1. Some tasks may have prerequisites, for example to pick… Read More »

There are a total of n tasks you have to pick, labeled from 0 to n-1. Some tasks may have prerequisites tasks, for example to… Read More »

Given two strings A and B, both strings contain characters a and b and are of equal lengths. There is one _ (empty space) in… Read More »

In graph theory, edge coloring of a graph is an assignment of “colors” to the edges of the graph so that no two adjacent edges… Read More »

The entire process consisted of 5 rounds: 1 online coding, 1 debugging, 2 Technical and 1 HR/System Design Round. The minimum criteria for the online… Read More »

Given an undirected graph, how to check if there is a cycle in the graph? For example, the following graph has a cycle 1-0-2-1. Recommended:… 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 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 »

Given N numbers which have a permutation of first N numbers. In a single operation, any prefix can be reversed. The task is to find… Read More »

Given a grid with different colors in a different cell, each color represented by a different number. The task is to find out the largest… Read More »

Suppose there are n towns connected by m bidirectional roads. There are s towns among them with a police station. We want to find out… Read More »

Given an unweighted directed graph, can be cyclic or acyclic. Print the number of shortest paths from a given vertex to each of the vertices.… Read More »

Given a unweighted graph, a source and a destination, we need to find shortest path from source to destination in the graph in most optimal… Read More »