Difference between revisions of "1991 OIM Problems/Problem 1"

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== Solution ==
 
== Solution ==
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* Note.  I actually competed at this event in Argentina when I was in High School representing Puerto Rico.  I got partial points because I probably missed one or two of the cases.
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~Tomas Diaz. orders@tomasdiaz.com
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{{alternate solutions}}
  
 
== See also ==
 
== See also ==
 
https://www.oma.org.ar/enunciados/ibe6.htm
 
https://www.oma.org.ar/enunciados/ibe6.htm

Revision as of 01:38, 14 December 2023

Problem

Each vertex of a cube is assigned the value of +1 or -1, and each face is assigned the product of the values assigned to each vertex. What values can the sum of the 14 numbers thus obtained take?

~translated into English by Tomas Diaz. ~orders@tomasdiaz.com

Solution

  • Note. I actually competed at this event in Argentina when I was in High School representing Puerto Rico. I got partial points because I probably missed one or two of the cases.

~Tomas Diaz. orders@tomasdiaz.com

Alternate solutions are always welcome. If you have a different, elegant solution to this problem, please add it to this page.

See also

https://www.oma.org.ar/enunciados/ibe6.htm