47 lines
934 B
C
47 lines
934 B
C
#include <stdio.h>
|
|
|
|
#define HIGH_MARK 500 /* 2800 */
|
|
|
|
static long r[HIGH_MARK + 1];
|
|
|
|
int main() {
|
|
long i, k, c;
|
|
long b, d;
|
|
long iter;
|
|
|
|
int iterations = 1;
|
|
|
|
for ( iter = 0; iter < iterations; iter++ ) {
|
|
c = 0;
|
|
|
|
for (i = 0; i < HIGH_MARK; i++) {
|
|
r[i] = 2000;
|
|
}
|
|
|
|
for (k = HIGH_MARK; k > 0; k -= 14) {
|
|
d = 0;
|
|
|
|
i = k;
|
|
for (;;) {
|
|
d += r[i] * 10000;
|
|
b = 2 * i - 1;
|
|
|
|
r[i] = d % b;
|
|
d /= b;
|
|
i--;
|
|
if (i == 0) break;
|
|
d *= i;
|
|
}
|
|
if ( iter == ( iterations - 1 ) )
|
|
{
|
|
printf( "%.4d", c + d / 10000 );
|
|
fflush( stdout );
|
|
}
|
|
c = d % 10000;
|
|
}
|
|
}
|
|
|
|
printf( "\n" );
|
|
return 0;
|
|
}
|