#include #if __STDC__ #include #include #else #ifdef sun #define RAND_MAX 0x7fffffff #endif #endif #if !__STDC__ long labs(x) long x; { return (x < 0)? -x : x; } #endif #ifdef __hpux #define random rand #else extern long random(); #endif int main() { register long i, h, t; for (h = 0, t = 0, i = 0; i < 20000; i++) if(random() < (RAND_MAX/2)) h++; else t++; if(labs(h-t) > 2) { printf("%ld %ld\n", h , t); return 1; } return 0; }