Discussion @ 1876. Centipede's Morning @ Timus Online Judge

Strekalovsky Oleg [Vologda SPU #1] What is trickly test 2? [10] // Problem 1876. Centipede's Morning 22 Oct 2011 18:52

Charm Re: What is trickly test 2? [9] // Problem 1876. Centipede's Morning 22 Oct 2011 19:17

100 40

Lex [PNTU] Re: What is trickly test 2? [8] // Problem 1876. Centipede's Morning 22 Oct 2011 19:40

Answer is 200 ?

Charm Re: What is trickly test 2? [7] // Problem 1876. Centipede's Morning 22 Oct 2011 19:52

no,need 39*2 + 40 + 60 * 2 + 1

Charm Re: What is trickly test 2? [6] // Problem 1876. Centipede's Morning 22 Oct 2011 19:52

why wa 3 test? help

MOPDOBOPOT (USU) Re: What is trickly test 2? [5] // Problem 1876. Centipede's Morning 22 Oct 2011 20:08

This problem don't need more than 3 tests, I think ;)

Edited by author 22.10.2011 20:08

George Skhirtladze Re: What is trickly test 2? [4] // Problem 1876. Centipede's Morning 21 Mar 2012 00:32

NO, I think this problem don't need more than 2 tests.

there are 2 possible answers:

2*a+39 and 2*b+40.

you must choose biggest

Iuhenio{PSU} Re: What is trickly test 2? [3] // Problem 1876. Centipede's Morning 14 Feb 2013 10:49

Why 39 ????? What is 2*a+39 ?????

naik Re: What is trickly test 2? [2] // Problem 1876. Centipede's Morning 5 Apr 2014 01:36

Iuhenio{PSU} wrote 14 February 2013 10:49

Why 39 ????? What is 2*a+39 ?????

39 * 2 + 40 + (a - 40) * 2 + 1 = 2 * a + 39

BillSu Re: What is trickly test 2? // Problem 1876. Centipede's Morning 24 Apr 2014 14:29

Genius! Really Tricky!

IlushaMax Re: What is trickly test 2? // Problem 1876. Centipede's Morning 12 Mar 2016 19:32

He mean why 39 instead 40? Why do we subtract 1?
Answer here http://acm.timus.ru/forum/thread.aspx?id=27395&upd=635575534968095209

Edited by author 12.03.2016 19:35

Edited by author 12.03.2016 19:41

Discussion of Problem 1876. Centipede's Morning