Created
June 16, 2012 23:00
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Check 3 en raya
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typedef struct _Partida { | |
unsigned short a:1; | |
unsigned short b:1; | |
unsigned short c:1; | |
unsigned short d:1; | |
unsigned short e:1; | |
unsigned short f:1; | |
unsigned short g:1; | |
unsigned short h:1; | |
unsigned short i:1; | |
} Partida; | |
// ¡Esta es la evidente, pero tiene 7 saltos condicionales! | |
int Check_lento(Partida p) { | |
return (p.a&&p.b&&p.c)||(p.d&&p.e&&p.f)||(p.g&&p.h&&p.i)|| | |
(p.a&&p.d&&p.g)||(p.b&&p.e&&p.h)||(p.c&&p.f&&p.i)|| | |
(p.a&&p.e&&p.i)||(p.g&&p.e&&p.c); | |
} | |
// Se puede hacer mucho más rápida la evaluación sin saltos: | |
int Check_rapido(Partida p) { | |
return (p.a&p.b&p.c)|(p.d&p.e&p.f)|(p.g&p.h&p.i)| | |
(p.a&p.d&p.g)|(p.b&p.e&p.h)|(p.c&p.f&p.i)| | |
(p.a&p.e&p.i)|(p.g&p.e&p.c); | |
} |
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