Last ant on rod, C/C++ Programming

Assignment Help:

There are ''n'' ants on a ''n+1'' length rod. The ants are numbered from 1 to n and are initially placed at positions starting from position 1 till position n. They are moving either in left direction (denoted by ''-1'') or in the right direction (denoted by ''1''). Whenever an ant crosses the boundary of the rod it falls off the rod. You are given the initial direction of the ants. Now, whenever two ants collide their direction switches, i.e. the ant going in left direction (''-1) changes it''s direction towards right (''1'') and the ant going in the right direction (''1'') changes it''s direction towards left (''-1''). Find last ant to fall off the rod.
Note: In case two ants are falling simultaneously in the end print the index of the lower indexed ant.

Input Format:
First line contains the integer ''n'' denoting the total number of ants s.t. 1 <= n <= 1,000
Second line contains ''n'' space separated numbers (either ''1'' or ''-1'') denoting the initial directions of the ants.

Output Format:
Output a single integer which is the index (lower index in case two ants are falling simultaneously in the end) of the last ant to fall off the table.

Related Discussions:- Last ant on rod

First line starts with T, Byteland county is very famous for luminous jewe...

Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various luminous jewels of particular colour. Nec

Luminous Jewels - The Polishing Game, Byteland county is very famous for lu...

Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various luminous jewels of particular colour. Nec

Problem : Change to palindrome, A palindrome is a string that reads the sam...

A palindrome is a string that reads the same from both the ends. Given a string S convert it to a palindrome by doing character replacement. Your task is to convert S to palindrome

Define external storage class - computer programming, Define External Stora...

Define External Storage Class - computer programming? When a variable is declared outside a function the storage is permanently assigned to it and its storage class is 'extern'

Scrape a site and save as csv, Scrape a site and save as csv Project Des...

Scrape a site and save as csv Project Description: I want a programmer to create scraping software. I'll want every page scraped of name, job title, company, and url. There a

C++ Data Structure program, Description A long time ago in a galaxy far, f...

Description A long time ago in a galaxy far, far away, the country Mafghanistan had n cities and m old roads, where each road connected a pair of cities. Due to the treacherous mo

Programs that perform the identical recursive algorithm, Goals For this ass...

Goals For this assignment you will write programs in C and LC-3 assembly code. Both programs will perform the identical recursive algorithm. The goals of this programming assignmen

Class & objects, how objects are initialized dynamically?

how objects are initialized dynamically?

Text Editor, Add a function for saving the text stored in an array to a fil...

Add a function for saving the text stored in an array to a file. Your program must check whether or not the output file already exists, and if it does, your program must ask the us

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd