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时光机
新
时光机
好久没回来了,明天蓝旭面试,不知道以后能不能继续更新。。。
March 25th, 2022 at 11:04 pm
高考后再见吧!
January 26th, 2021 at 09:26 pm
还有266天。。。
September 13th, 2020 at 01:46 pm
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时光机
Articles in the category of OI
Home
OI
数位DP 学习笔记
数位dp基本模型,给定闭区间$[l,r]$,求这个闭区间中满足题目要求的数的个数。
YorkWu
July 29, 2019
No comments
luogu-P1831-重要的城市
题目链接
YorkWu
July 29, 2019
No comments
Luogu P2279 [HNOI2003]消防局的设立
题目链接
YorkWu
July 29, 2019
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Luogu P2831 愤怒的小鸟
题目链接一个搜索,或者状压,蒟蒻不会状压dp,就写了搜索。。。
YorkWu
July 28, 2019
No comments
AtCoder Beginner Contest 135
AtCoder Beginner Contest 135这应该是我第一次打Atcoder,写个blog留纪念。
YorkWu
July 27, 2019
No comments
AtCoder Beginner Contest 135
AtCoder Beginner Contest 135这应该是我第一次打Atcoder,写个blog留纪念。
YorkWu
July 27, 2019
No comments
Luogu P4046 [JSOI2010]快递服务
题目链接
YorkWu
July 27, 2019
No comments
清北学堂noip2019-Day5
动态规划背包问题01背包正常01背包必须装满?初始化$f[i] = 0, f[other] = -\infty$多重背包二进制拆分热身题数字三角形+给出一个数字三角形,从第一行走到最后一行,每次只能往正下或者正右下走。每次累积经过的数,要求和最大。第X行第Y列这个点必须经过。$O(n^2)$题解:先从第一层到第x层跑一遍数字三角形,然后把第x行除第y列所有数赋为负无穷,然后再在下边跑一次数字...
YorkWu
July 17, 2019
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