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Java8 新特性 Steam() 中间有状态操作
中间有状态操作 "Java8 新特性 Stream 练习实例" 中间操作,就是把数据处理成自己想要的类型,并且有状态操作,是在所有的数据基础上进行操作的。比如dictinct(去重),sorted(排序).... 所有的有状态操作: 去重 distinct 跳过 skip 截断 limit 排序 s ...
分类:编程语言   时间:2019-12-07 10:38:21    阅读次数:487
Codeforces Round #604 (Div. 2) D. Beautiful Sequence(构造)
链接: https://codeforces.com/contest/1265/problem/D 题意: An integer sequence is called beautiful if the difference between any two consecutive numbers is ...
分类:其他好文   时间:2019-12-07 01:19:52    阅读次数:89
Codeforces Round #604 (Div. 2) C. Beautiful Regional Contest
链接: https://codeforces.com/contest/1265/problem/C 题意: So the Beautiful Regional Contest (BeRC) has come to an end! n students took part in the contest ...
分类:其他好文   时间:2019-12-07 01:11:28    阅读次数:176
Codeforces Round #604 (Div. 2) A. Beautiful String
链接: https://codeforces.com/contest/1265/problem/A 题意: A string is called beautiful if no two consecutive characters are equal. For example, "ababcb", ...
分类:其他好文   时间:2019-12-07 01:04:48    阅读次数:147
【python小随笔】celery周期任务(简单原理)
1:目录结构 |--celery_task |--celery.py # 执行任务的main函数 |--task_one # 第一个任务 |--task_two # 第2个任务 . . . . |--task_. # 第n个任务 2:celery.py from celery import Cele ...
分类:编程语言   时间:2019-12-06 11:32:31    阅读次数:94
LeetCode 916. Word Subsets
原题链接在这里:https://leetcode.com/problems/word-subsets/ 题目: We are given two arrays A and B of words. Each word is a string of lowercase letters. Now, say ...
分类:其他好文   时间:2019-12-06 09:19:07    阅读次数:75
CodeForces - 841B-Godsend-思维
Leha somehow found an array consisting of n integers. Looking at it, he came up with a task. Two players play the game on the array. Players move one ...
分类:其他好文   时间:2019-12-06 00:28:45    阅读次数:94
通过定义__lt__,直接sorted排序自定义对象。
class Demo: def __init__(self, x, y, z): self.x = x self.y = y self.z = z @property def all_sum(self): # 方法转属性 return self.x + self.y +self.z def __lt ...
分类:编程语言   时间:2019-12-05 09:12:33    阅读次数:88
【案例】Python之列表反转
1.列表反转 列表反转是初学时比较常见的问题,这里总结了三种列表反转的方式 1.1>内建函数sorted() # 列表反转 list_num = [1, 2, 3, 4, 5, 6, 7, 8, 9] print(sorted(list_num, reverse=True)) sorted()反转列 ...
分类:编程语言   时间:2019-12-04 13:32:51    阅读次数:115
PLID50 Top-down effects on Perception
Due: 26 November 2019 PLID50 | Lab 4/5Lab 4/5: Top-down effects on PerceptionThese final two laboratory assignments examine a very similar phenomenon: ...
分类:其他好文   时间:2019-12-04 13:00:51    阅读次数:79
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