Search found 92 matches

by bristy1588
Thu Jan 23, 2014 10:43 pm
Forum: Divisional Math Olympiad
Topic: Chittagong 2013 higher secondary problem 9
Replies: 5
Views: 1753

Re: Chittagong 2013 higher secondary problem 9

Why don't you try to figure it out in the Bangla way?
Just a tip, most of the times i used the bangla way during divisionals. its just a advice though, different strategy might work for you.
by bristy1588
Wed Jan 15, 2014 12:46 pm
Forum: International Olympiad in Informatics (IOI)
Topic: BdOI National Olympiad 2013 : Problemset
Replies: 0
Views: 1103

BdOI National Olympiad 2013 : Problemset

Hey Guys, it's been a long time. Anyway, the National Problems are up. Feel free to discuss them as you like. Here, I am giving links to the threads. Problem 1 : Discovering DNA http://matholympiad.org.bd/forum/viewtopic.php?f=34&t=2945 Problem 2 : Kit-Kat-Koe http://matholympiad.org.bd/forum/viewto...
by bristy1588
Wed Jan 15, 2014 12:35 pm
Forum: International Olympiad in Informatics (IOI)
Topic: BdOI 2013 National Problem 7
Replies: 0
Views: 966

BdOI 2013 National Problem 7

Xorer are ancient race. They were very advance in their time. Their kingdom consisted of $N$ cities numbered from $1$ to $N$. Each city was connected with each other by a unique path of one or more roads. There was no cycle among the cities, means you cannot go from one city to another in more than ...
by bristy1588
Wed Jan 15, 2014 12:20 pm
Forum: International Olympiad in Informatics (IOI)
Topic: BdOI 2013 National Problem 6
Replies: 0
Views: 1016

BdOI 2013 National Problem 6

In the country of Giftland, everything is considered as 2D. Little Gugua has $ N $ friends. She wants to send gifts to all of her friends. All of her gift items can be considered as $2D$ filled circles of various radii. Gugua went to PackNsend Courier Service to send all of her gifts. PackNsend comp...
by bristy1588
Wed Jan 15, 2014 12:09 pm
Forum: International Olympiad in Informatics (IOI)
Topic: BdOI 2013 National Problem 5
Replies: 0
Views: 1195

BdOI 2013 National Problem 5

You are given a stick of length $N$. You want to break it in three pieces such that it can form a triangle. How many distinct triangles can you make? Two triangles are equal if all the side lengths are same when sorted in ascending order of length. So $(1, 3, 2)$ is same to $(3, 1, 2)$ because their...
by bristy1588
Wed Jan 15, 2014 12:04 pm
Forum: International Olympiad in Informatics (IOI)
Topic: BdOI 2013 National Problem 4
Replies: 0
Views: 880

BdOI 2013 National Problem 4

This is the hardest level of the game. There are N stages in the level. In each stage you will be given $ Q_i $ balls. Colors of the balls are denoted by an integer between $1$ and $K$. You can pick up one ball from each stage or skip it (No ball). If you pick up a ball you will gain or lose some po...
by bristy1588
Wed Jan 15, 2014 11:48 am
Forum: News / Announcements
Topic: BDOI 2013 Problems Posted
Replies: 2
Views: 1716

BDOI 2013 Problems Posted

Hello Everyone. BDOI (Bangladesh Olympiad in Informatics ) Problems have been posted in IOI Forum. Anyone having any trouble with their solutions, please post there.

If there is anyone who doesn't know about BDOI, please post as well

Thanks.
by bristy1588
Tue Jan 14, 2014 11:43 pm
Forum: International Olympiad in Informatics (IOI)
Topic: BdOI 2013 National Problem 3
Replies: 0
Views: 921

BdOI 2013 National Problem 3

Far over the misty mountains cold there was the great land of Shell. There lived many wizards, elves, hobbits, dwarves, men and programmers. The programmers were a brave bunch of people. Even though they didn't know much of magic like the wizards or crafts like elves they were never afraid of comput...
by bristy1588
Tue Jan 14, 2014 11:20 pm
Forum: International Olympiad in Informatics (IOI)
Topic: BdOI 2013 National Problem 2
Replies: 0
Views: 1097

BdOI 2013 National Problem 2

We all know the popular game tic-tac-toe. In this game we play in a three by three grid and put $"X" $ or $"O"$ in the cells. If the first player can put three consecutive $X's$ in a row, column or diagonal then he wins. Same goes for the second player, only he needs to put $O's $. Given a configura...
by bristy1588
Tue Jan 14, 2014 10:35 pm
Forum: International Olympiad in Informatics (IOI)
Topic: BdOI 2013 National Problem 1
Replies: 0
Views: 1023

BdOI 2013 National Problem 1

DNA is one of the major macromolecules that are essential for all known forms of life. Genetic information is encoded as a sequence of nucleotides in DNA. There are four types of nucleotide in DNA, Adenine (A), Guanine (G), Cytosine (C) and Thymine (T). These four nucleotides are expressed as A, G, ...