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Re:一个语句就决定是0ms 还是 tleIn Reply To:一个语句就决定是0ms 还是 tle Posted by:117474335 at 2010-09-28 17:06:40 #include <stdio.h>
#include <stdlib.h>
__int64 n, m ;
__int64 C ()
{
__int64 i, t = 1 , j = 2 ;
n = m - n < n? m - n : n ; // 就是这句话 ;
for (i = m; i > m - n ; i -- ){
t *= i ;
while (t % j == 0 && j <= n){
t /= j ;
j ++ ;}}
return t ;
}
main ()
{
while (scanf ("%I64d%I64d", &n, &m ) , n | m){
m += n;
printf ("%I64d\n", C () ) ;}
}
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