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https://sp18.datastructur.es/materials/discussion/examprep05.pdf 2 Use them! a. 类似lc的第一题,直接用代码了 import java.util.HashMap; class Solution { public int[ 阅读全文
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https://sp18.datastructur.es/materials/discussion/disc04.pdf public class Animal{ protected String name, noise; protected int age; public Animal(Strin 阅读全文
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网址 https://inst.eecs.berkeley.edu/~cs61a/fa21/disc/disc14/ #problem1: 就是两种情况考虑,然后加起来就好了 def paths(x, y): """Return a list of ways to reach y from x by 阅读全文
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网址 https://inst.eecs.berkeley.edu/~cs61a/fa21/lab/lab13/ .read data.sql CREATE TABLE bluedog AS SELECT color, pet FROM students WHERE color = 'blue' A 阅读全文