xinyu04

摘要： Given an integer array nums, return the length of the longest strictly increasing subsequence. A subsequence is a sequence that can be derived from an 阅读全文

摘要： Two brothers share a flock of x sheep. They take the sheep to the market and sell each sheep for x. At the end of the day they put the money from the 阅读全文

摘要： A dart is thrown at a circular dart board of radius one. The dart can land at any place on the dartboard with equal probability. What is the mean dist 阅读全文

摘要： While three wise men are asleep under a tree a mischievous boy paints their foreheads red. Later they all wake up at the same time and all three start 阅读全文