你和你最好的朋友被分别关在不同的牢房100天，你们绝对不可能有互相联系

你和你最好的朋友被分别关在不同的牢房100天，你们绝对不可能有互相联系的可能性。<br>每天都会有人当着你和朋友的面，分别抛一次硬币。<br>你只能看到自己硬币的正反面，你们二人需要猜测，对方的硬币是正面还是反面。<br>如果你们二人都猜错了，便会一起死。<br>在关进牢房前，给你和你的朋友说一句话沟通的机会。<br>那么请问，你会说什么话，才会让你们安全活过100天呢？<br>我们是人类观察所，关注我，一起好好生存。

You and your best friend are locked up in different cells for 100 days, and there is absolutely no possibility of them contacting each other.<br>Every day, someone will flip a coin in front of you and your friends.<br>You can only see the front and back of your own coin, and the two of you need to guess whether the other person's coin is the front or back.<br>If both of you guess wrong, you will die together.<br>Before being imprisoned, give you the opportunity to have a conversation with your friends.<br>So may I ask, what would you say to make it safe for you to live through 100 days?<br>We are a human observatory, pay attention to me, and live together well.

You and your best friend were kept in different cells for 100 days, so it is absolutely impossible for you to contact each other.<br> Every day, someone will flip a coin in front of you and your friends.<br> You can only see the front and back of your coin, and you two need to guess whether the other coin is heads or tails.<br> If you both guess wrong, you will die together.<br> Give you a chance to have a word with your friends before you go to prison.<br> So, what would you say to make you live safely for 100 days?<br> We are a human observatory, pay attention to me and live together.