5:15+ (65 OConstraints1SNS 10000s X, Ys N-10 5:15 +(65e Challenge taskThe V Epidemic is spreading fastaround the world. Supposethat there are N cities, numberedfrom 0 to (N-1), arranged in acircular manner. City 0 isconnected to city 1, to 2, .,city (N-2) to city (N-1), andcity (N-1) to city 0.If you know that the V virus iscurrently at city X. Each day, itjumps from its current city to thecity within a distance K to its right,i.e., from city X to the city (X+K)%N.As the V virus jumps, the cities in-between don't get infected. Citiesonce infected stay infected. Youlive in city Y. Find if it will reachyour city eventually. If it will,print YES, else print NO.

Answered: Constraints 1SNS 1000 0s X, Y s N-1 0

Engineering

Computer Science

Constraints 1SNS 1000 0s X, Y s N-1 0

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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Question

5:15+ (65 O
Constraints
1SNS 1000
0s X, Ys N-1
0<K< 1000
S Input Format
The first and only line of each tes
case contains four space-
separated integers N, K, X, and Y,
denoting the number of cities, the
size of jumps, the V virus's current
city, and the city that you live in,
respectively.
E Output Format
Print YES if V virus shall reach your
city after a finite number of days,
else print NO.
O Sample #1
Input

5:15 +(65
e Challenge task
The V Epidemic is spreading fast
around the world. Suppose
that there are N cities, numbered
from 0 to (N-1), arranged in a
circular manner. City 0 is
connected to city 1, to 2, .,
city (N-2) to city (N-1), and
city (N-1) to city 0.
If you know that the V virus is
currently at city X. Each day, it
jumps from its current city to the
city within a distance K to its right,
i.e., from city X to the city (X+K)%N.
As the V virus jumps, the cities in-
between don't get infected. Cities
once infected stay infected. You
live in city Y. Find if it will reach
your city eventually. If it will,
print YES, else print NO.

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