You are incharge of Team of N people. You are going to prepare the decoration for a party. You have recently purchased N pairs of scissors from an online store, to open each box it requires exactly 10 seconds. As soon as a new pairos scissors is opened we can use them to open the new boxes.

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Open the Boxes
You are incharge of Team of N people. You are
going to prepare the decoration for a party.
You have recently purchased N pairs of scissors
from an online store, to open each box it requires
exactly 10 seconds. As soon as a new pairos
scissors is opened we can use them to open the
new boxes.
Initially you have one free pair of scissors in your
hand, find the total minimum time required to open
all boxes.
Constraint:
N can vary between 1 to 109
Sample Test Case :
Input
3
Output
20
Explanation:
At the beginning you have one free pair of scissors
Now you have opened one box and after 10
seconds you have free 2 pairs of scissors and 2
boxes are remaining
Now you can use these 2 pairs of scissors to open
the remaining 2 boxes
Transcribed Image Text:Open the Boxes You are incharge of Team of N people. You are going to prepare the decoration for a party. You have recently purchased N pairs of scissors from an online store, to open each box it requires exactly 10 seconds. As soon as a new pairos scissors is opened we can use them to open the new boxes. Initially you have one free pair of scissors in your hand, find the total minimum time required to open all boxes. Constraint: N can vary between 1 to 109 Sample Test Case : Input 3 Output 20 Explanation: At the beginning you have one free pair of scissors Now you have opened one box and after 10 seconds you have free 2 pairs of scissors and 2 boxes are remaining Now you can use these 2 pairs of scissors to open the remaining 2 boxes
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