#define SEC 1000000000ULL
#define MAXN 500000000
+#define MINT (SEC/5)
static unsigned long long tic() {
struct timespec ts;
unsigned long long i;
if (n)
- n = SEC/2/n;
+ n = MINT/n;
else
- n = SEC/2;
+ n = MINT;
n += n/2;
if (n > N*100ULL)
n = N*100ULL;