I have a magical gold coin to double every second, one change, one change, two or two, one big house, one big house is filled with two gold coins.
I have a magical gold coin to double every second, one change, one change, two or two, one big house, one big house is filled with two gold coins.
A gold coin becomes 2 after a second, two seconds to 4, and 8 in three seconds. Now if there are two gold coins, it will become 4 after one second. 8, so if you want to fill up the house, the time is always one second slower than a gold coin, so if it is two gold coins, it takes 3 minutes and 59 seconds.
It takes 59 seconds, because one gold coin changes two in one second, the two are worse than this second, which will be the same in the future.
59 seconds. It just saves the first second, and the rest is the same.
15 seconds