In Chefland there is a competition with N participants (numbered 1 to N). There are N-1N-1 rounds in the competition; in each round two arbitrarily selected contestants will compete, one of them will lose and be eliminated from the competition. There are 10 weapon types (numbered 1 to 10). You are given the N strings s1,s2,s3.....sn. for each valid i and j, the jth character of Si is '1' if it has ii. contestant originally weapon of type jj or '0' otherwise. During each battle, for each type of j such that both contestants in that battle currently have type j weapons, those weapons of both contestants are destroyed; after the battle, the winner collects all remaining (undestroyed) weapons of the loser. Remember that each competitor can win or lose regardless of the weapons they have. The chef is bored watching the competition, so he wants to find the maximum possible number of weapons that the winner of the tournament could have after the last battle, regardless of which contestants fight in which battles or the results of the battles. Can you help him?

In Chefland there is a competition with N participants (numbered 1 to N). There are N-1N-1 rounds in the competition; in each round two arbitrarily selected contestants will compete, one of them will lose and be eliminated from the competition. There are 10 weapon types (numbered 1 to 10). You are given the N strings s1,s2,s3.....sn. for each valid i and j, the jth character of Si is '1' if it has ii. contestant originally weapon of type jj or '0' otherwise. During each battle, for each type of j such that both contestants in that battle currently have type j weapons, those weapons of both contestants are destroyed; after the battle, the winner collects all remaining (undestroyed) weapons of the loser. Remember that each competitor can win or lose regardless of the weapons they have. The chef is bored watching the competition, so he wants to find the maximum possible number of weapons that the winner of the tournament could have after the last battle, regardless of which contestants fight in which battles or the results of the battles. Can you help him?

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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Concept explainers

Topological Sort

Topological sort is a sorting technique that sets up a hierarchy in a process. In this technique, when a directed network has nodes connected by arrows, the root node is placed before the successor node.

Question

Please answer in c++ only
In Chefland there is a competition with N participants (numbered 1 to N). There are
N-IN-1 rounds in the competition; in each round two arbitrarily selected contestants
will compete, one of them will lose and be eliminated from the competition.
There are 10 weapon types (numbered 1 to 10). You are given the N strings
s1,s2,s3.....sn.
for each valid i and j, the jth character of Si is '1' if it has ii. contestant originally
weapon of type jj or '0' otherwise. During each battle, for each type of j such that both
contestants in that battle currently have type j weapons, those weapons of both
contestants are destroyed; after the battle, the winner collects all remaining
(undestroyed) weapons of the loser. Remember that each competitor can win or lose
regardless of the weapons they have.
The chef is bored watching the competition, so he wants to find the maximum
possible number of weapons that the winner of the tournament could have after the
last battle, regardless of which contestants fight in which battles or the results of the
battles. Can you help him?
Input
1
3
1110001101
1010101011
0000000011
Output
4

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