#include <stdio.h>
int main(void)
{
double light_speed = 300000;
double distance = 149600000;
time = distance
/ light_speed
;
printf("빛의 속도는 %fkm/s n", light_speed
);
printf("태양과 지구와의 거리 %fkm n", distance
);
return 0;
}
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