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Re: Swap those numbers

The answer is No. Why? Since we can only swap two neighboring numbers, if a number is swapped with a larger number, it has to swapped again with the same number to get the initial sequence. (Otherwise the sequence will no longer be increasing) Thus the number of swaps needed to gain the ini...
by Labib
Fri Apr 11, 2014 5:16 pm
 
Forum: Number Theory
Topic: Swap those numbers
Replies: 1
Views: 441

Re: Permutation of Flags

Only one country has 4 flags. I'll ask Saumitra da to check the solution. :) Saumitra da says, more than one country can have 4 flags. There are \(10\) Australian flag . So , \(14\) flags belong to \(8\) different countries . Since , at least one country has \(4\) fl...
by Labib
Mon Apr 07, 2014 10:19 am
 
Forum: Combinatorics
Topic: Permutation of Flags
Replies: 5
Views: 956

Re: Permutation of Flags

Only one country has 4 flags.
I'll ask Saumitra da to check the solution. :)
by Labib
Sat Mar 29, 2014 9:47 pm
 
Forum: Combinatorics
Topic: Permutation of Flags
Replies: 5
Views: 956

Re: Permutation of Flags

I think you got the problem wrong. Australia has 10 flags. Another country has 4 flags. This country is neither India, nor Pakistan. It is the second highest. The last 10 flags belong to the other 7 teams (which include India and Pakistan). We are looking for the number of permutations possible. I t...
by Labib
Fri Mar 28, 2014 11:35 pm
 
Forum: Combinatorics
Topic: Permutation of Flags
Replies: 5
Views: 956

Permutation of Flags

T20 World Cup 2014 is being held in Bangladesh. Next to Mirpur stadium, there are $24$ flags standing in a row. The flags belong to $9$ different countries. There are $10$ Australian flag. It's the highest number of flags a country has in that row. The next highest number of flags that belong to the...
by Labib
Wed Mar 26, 2014 6:17 pm
 
Forum: Combinatorics
Topic: Permutation of Flags
Replies: 5
Views: 956

Re: একটা প্রশ্ন ছিল

শেষ পাওয়া খবর অনুযায়ী এপ্রিলের শুরুতে উদ্ভাসের ফার্মগেটের শাখায় অনাবাসিক ক্যাম্প হওয়ার কথা।
কনফার্ম হয়ে গেলে তোমাদের জানায় দিবে।
by Labib
Tue Mar 25, 2014 11:49 pm
 
Forum: National Math Camp
Topic: একটা প্রশ্ন ছিল
Replies: 9
Views: 1942

BdOI 2014 Results

BdOI 2014 was held on 20 March at UITS (Badda campus). The results have been published. Anyone interested can find them HERE . The problem sets will be posted once they are published. If you have any query regarding this olympiad, please join the OFFICIAL FACEBOOK GROUP or ask for help in the IOI su...
by Labib
Sat Mar 22, 2014 5:48 pm
 
Forum: International Olympiad in Informatics (IOI)
Topic: BdOI 2014 Results
Replies: 0
Views: 1491

BdOI 2014 practice contest

A recent official statement said, Only three days left for the BdIO National 2014. This year the contest is going to take place in http://www.codemarshall.com . To get you habituated with the system we are going to arrange two parallel contests tomorrow (18-03-14) from 4 PM. It'll run for at least 4...
by Labib
Tue Mar 18, 2014 3:11 am
 
Forum: International Olympiad in Informatics (IOI)
Topic: BdOI 2014 practice contest
Replies: 0
Views: 652

Re: একটা প্রশ্ন ছিল

If they are arranging a SSC camp, that is because they want everyone to get a fair chance.
I strongly doubt that they'll consider SSC examinees in any different fashion.
But I guess Mahi is right. It's your life and you should decide what you want to do.
by Labib
Tue Mar 11, 2014 2:32 pm
 
Forum: National Math Camp
Topic: একটা প্রশ্ন ছিল
Replies: 9
Views: 1942

Re: একটা প্রশ্ন ছিল

@Adib, He'll probably miss out on an exam, which would lower his chances of getting called for the extended. It's up to him though.
by Labib
Mon Mar 10, 2014 2:08 am
 
Forum: National Math Camp
Topic: একটা প্রশ্ন ছিল
Replies: 9
Views: 1942
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