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73 88 1 02 7 4 44 5 2 6 5(Figure 1) Figure 1 shows a number triangle. Write a program that calculates the highest sum of numbers passed on a route tha 阅读全文
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题目描述 Given a binary tree, return the preorder traversal of its nodes' values. For example:Given binary tree{1,#,2,3}, 1 \ 2 / 3 return[1,2,3]. Note: R 阅读全文
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Given number n. Print number from 1 to n. But: when number is divided by 3, print "fizz". when number is divided by 5, print "buzz". when number is di 阅读全文
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First Position of Target 给你一个排序好的数组 之后给你一个数字返回第一个出现的数组位置的下标 要求O(log n) For a given sorted array (ascending order) and a target number, find the first 阅读全文