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题目描述Given an array, strs, with strings consisting of only 0s and 1s. Also two integers m and n.Now your task is to find the maximum number of strings that you can form with given m 0s and n 1s. Each 0 and 1 can be used at most once.Example 1:Input: str

题目描述You are given coins of different denominations and a total amount of money. Write a function to compute the number of combinations that make up that amount. You may assume that you have infinite number of each kind of coin.Example 1:Input: amount =