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Problem Description Given a tree of N nodes. The N-1 edges are given in a 2D integer array A. Find the number of simple paths that do not share an edge or a vertex with the longest simple path in the tree. Since the answer can be large, output it modulo 10° +7. Note: • If there are multiple longest paths, choose the one with the further endpoint from 1 and the largest node value possible. Secondly, in case of still multiple longest paths, again choose the second endpoint as the largest node value possible. ● Problem Constraints 2 <= N <= 105 Input Format

Problem Description Given a tree of N nodes. The N-1 edges are given in a 2D integer array A. Find the number of simple paths that do not share an edge or a vertex with the longest simple path in the tree. Since the answer can be large, output it modulo 10° +7. Note: • If there are multiple longest paths, choose the one with the further endpoint from 1 and the largest node value possible. Secondly, in case of still multiple longest paths, again choose the second endpoint as the largest node value possible. ● Problem Constraints 2 <= N <= 105 Input Format

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Example Explanation
Explanation 1: The longest path in the tree covers all smaller paths. Explanation2:The longest path is1−2−3−4−5−6−7−8−9−10
The six shorter paths that are not part of the longest path are: 11 to 12,11 to 13,11 to 14,12 to 13,12 to 14,13 to 14 .

 

 

ewBit Trilogy innova Problem Description Given a tree of N nodes. The N-1 edges are given in a 2D integer array A. Find the number of simple paths that do not share an edge or a vertex with the longest simple path in the tree. Since the answer can be large, output it modulo 10° +7. Note: • If there are multiple longest paths, choose the one with the further endpoint from 1 and the largest node value possible. . Secondly, in case of still multiple longest paths, again choose the second endpoint as the largest node value possible. Problem Constraints 2 <= N <= 105 Input Format The first and only argument is the 2D integer array A. It is of size (N-1) X 2. The two integers in each row indicate an edge between those two nodes. Output Format Return a single integer as per the given problem. Example Input Input 1: A = [[1, 2] Type here to search O 4 El
Transcribed Image Text:ewBit Trilogy innova Problem Description Given a tree of N nodes. The N-1 edges are given in a 2D integer array A. Find the number of simple paths that do not share an edge or a vertex with the longest simple path in the tree. Since the answer can be large, output it modulo 10° +7. Note: • If there are multiple longest paths, choose the one with the further endpoint from 1 and the largest node value possible. . Secondly, in case of still multiple longest paths, again choose the second endpoint as the largest node value possible. Problem Constraints 2 <= N <= 105 Input Format The first and only argument is the 2D integer array A. It is of size (N-1) X 2. The two integers in each row indicate an edge between those two nodes. Output Format Return a single integer as per the given problem. Example Input Input 1: A = [[1, 2] Type here to search O 4 El
ewBit Trilogy inne Problem Description Given a tree of N nodes. The N-1 edges are given in a 2D integer array A. Find the number of simple paths that do not share an edge or a vertex with the longest simple path in the tree. Since the answer can be large, output it modulo 10° +7. Note: • If there are multiple longest paths, choose the one with the further endpoint from 1 and the largest node value possible. Secondly, in case of still multiple longest paths, again choose the second endpoint as the largest node value possible. . Problem Constraints 2 <= N <= 105 Input Format The first and only argument is the 2D integer array A. It is of size (N-1) X 2. The two integers in each row indicate an edge between those two nodes. Output Format Return a single integer as per the given problem. Example Input Input 1: A [[1, 2] Type here to search. 4 OCH 0
Transcribed Image Text:ewBit Trilogy inne Problem Description Given a tree of N nodes. The N-1 edges are given in a 2D integer array A. Find the number of simple paths that do not share an edge or a vertex with the longest simple path in the tree. Since the answer can be large, output it modulo 10° +7. Note: • If there are multiple longest paths, choose the one with the further endpoint from 1 and the largest node value possible. Secondly, in case of still multiple longest paths, again choose the second endpoint as the largest node value possible. . Problem Constraints 2 <= N <= 105 Input Format The first and only argument is the 2D integer array A. It is of size (N-1) X 2. The two integers in each row indicate an edge between those two nodes. Output Format Return a single integer as per the given problem. Example Input Input 1: A [[1, 2] Type here to search. 4 OCH 0
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