yhyacinth

#include <time.h>

clock_t start_time, end_time;
start_time=clock();

end_time=clock();
printf("Time : %f\n", ((double)(end_time-start_time)) / CLOCKS_PER_SEC);

yhyacinth

f(a){return a-1?a*f(a-1):1;};main(){printf("%d",f(3));}

yhyacinth

print 'hello world !'