另外还有一个利用逻辑解决的问题:“一天内时钟的指针重合多少次?”
The hands overlap once an hour, but 11 times in 12 hours and 22 times in a day. This is because the overlap at 12 has already been accounted for. The overlaps occur at 12, 1.05, 2.11, 3:16, 4:22, 5:27, 6:33, 7:38, 8:44, 9:49 and 10:55 in the morning and after midday at 12, 1.05, 2:11, 3:16, 4:22, 5:27, 6:33, 7:38, 8:44, 9:49 and 10:55.
指针每小时重合一次,但每12小时重合11次,每天重合22次。这是因为指针在12点的重合早已计算在内了。指针会在早上12点,1点05分,2点11分,3点16分,4点22分,5点27分,6点33分,7点38分,8点44分,9点49分以及10点55分,以及午后12点,1点05分,2点11分,3点16分,4点22分,5点27分,6点33分,7点38分,8点44分,9点49分,10点55分重合。
9 OF GOOGLE'S TOUGHEST BANNED QUESTIONS
9个被否决的Google面试难题
1.You have to get from point A to point B. You don’t know if you can get there. What would you do?
1. 你必须从A点走到B点,但你不知道你能不能达到那里,你会怎么做?
2.You are shrunk to the height of a nickel and your mass is proportionally reduced so as to maintain your original density. You are then thrown into an empty glass blender. The blades will start moving in 60 seconds. What do you do?
2. 你的身高被缩至硬币大小,你的体重也相应按比例减少到维持身体的原始密度。然后你被扔进了一个空的玻璃搅拌器,搅拌刀片将在60秒后开始转动。你会怎么做?
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2020-09-15
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