For discussing Olympiad Level Number Theory problems
Nayeemul Islam Swad
- Posts: 22
- Joined: Sat Dec 14, 2013 3:28 pm
The numbers from $1$ to $n$ are written in a line in increasing order and at each time you are allowed to swap any two neighboring numbers. Now, is it possible to have this initial sequence of numbers after $2007$ such swappings?
Why so SERIOUS?!??!
- Posts: 411
- Joined: Thu Dec 09, 2010 10:58 pm
- Location: Dhaka, Bangladesh.
Please Install $L^AT_EX$ fonts in your PC for better looking equations,
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"When you have eliminated the impossible, whatever remains, however improbable, must be the truth." - Sherlock Holmes