1552: Cow Cycling 时间限制(普通/Java):1000MS/10000MS 内存限制:65536KByte总提交: 39 测试通过:20 描述 The cow bicycling team consists of N (1 <= N <= 20) cyclists. They wish to determine a race strategy which will get one of them across the finish line a…
A - Pretty Matrix DreamGrid's birthday is coming. As his best friend, BaoBao is going to prepare a gift for him. As we all know, BaoBao has a lot of matrices. This time he picks an integer matrix with rows and columns from his collection, but he th…
题目 Design a stack that supports push, pop, top, and retrieving the minimum element in constant time. push(x) -- Push element x onto stack. pop() -- Removes the element on top of the stack. top() -- Get the top element. getMin() -- Retrieve the minimu…
题目 Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the array, and it should return false if every element is distinct. Subscribe to see which companies ask…