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Stara 24.7.2015, 8:56   #1
Suad Novic
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Određen forumom A Brilliant Young Mind (2014)

A Brilliant Young Mind (2014)
"X+Y" (original title)
http://www.imdb.com/title/tt3149038/

Zadatak iz filma koji Nejtan rešava, imate i video na tu temu

https://www.youtube.com/watch?featur...&v=mYAahN1G8Y8

Evo teksta zadatka na engleskom, (u engleskom titlu stoji ovako)

So... 20 random cards
are placed in a row all face-down.
A move consists of turning
a face-down card face-up (koje karte, proizvoljne?)
and turning over the card
immediately to the right. (Nije mi baš jasno gde je stavlja; može li neko da ovo objasni, eventualno skicira?)
Show that no matter
what the choice of cards to turn
this sequence of moves must terminate. (U kom smislu?)

i uopšte mi nije jasan zadatak, ako nastavi da preokreće poklopljene karte, posle 20 poteza su sve preokrenute. Baš mi nije jasno.

A ni ovaj sa "olimpijade"

"4n squared trains
are arranged in a 2n x 2n square"
"and each is painted with
one of four colours."
"Every 2 x 2 square of trains
involves each of the four colours."
"Every 2 x 2 square of trains..."
"Every 2 x 2 square of trains
involves each of the four colours."
"Prove that the trains..."
"Prove that the trains on
the comers of the 2n x 2n square"
"are painted with different colours."

Molio bih da ovo iskomentariše neko dobar sa matematikom i engleskim, ništa nisam uspeo da izguglam.

Poslednja ispravka: Suad Novic (25.7.2015 u 5:18)
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