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UVA11361 Investigating Div-Sum Property
UVA11361 Investigating Div-Sum Property 给定 \(A,B,K\),求在 \([A , B]\) 中,有多少个整数本身能被 \(K\) 整除,并且各个位上数字之和也能被 \(K\) 整除。 一道非常经典的数位 DP 题。 设 \(f(d,m_1,m_2)\) 表 ...
分类:其他好文   时间:2021-04-26 13:29:15    阅读次数:0
Zhejiang Provincial Programming Contest 2007 Evolution (矩阵快速幂)
##题面 Evolution is a long, long process with extreme complexity and involves many species. Dr. C. P. Lottery is currently investigating a simplified mo ...
分类:其他好文   时间:2020-07-12 22:30:56    阅读次数:68
题解 UVA11361 【Investigating Div-Sum Property】
dfs实现数位DP int dfs(int d,int m1,int m2,bool fl) d:正在填从右往左第d位 m1表示数字和%k余数,m2表示该数%k余数 fl=1表示达到当前上限,0表示没限制(数位DP常规操作)…… 我一开始是从最高位开始枚举的,但是出了些问题,现在这个写法是从最低位枚 ...
分类:其他好文   时间:2020-06-11 19:45:26    阅读次数:50
UVA 11361 Investigating Div-Sum Property
https://vjudge.net/problem/UVA-11361 题目 求[a,b]范围内,满足 它是k的倍数 它每一位和是k的倍数 有多少个数字。 $1\leqslant a\leqslant b<2^{31}$,$0<K<10^4$ 题解 让人难过的数位dp 设一个数字形状是 /???? ...
分类:其他好文   时间:2020-04-01 01:00:53    阅读次数:59
I Think I Need a Houseboat
Fred Mapper is considering purchasing some land in Louisiana to build his house on. In the process of investigating the land, he learned that the stat ...
分类:其他好文   时间:2020-02-29 20:40:05    阅读次数:67
COMP0037 Coursework Investigating Path Planning Algorithms
COMP0037 Coursework 1Term 2, 2019“Path Planning in a Known World”Investigating Path Planning AlgorithmsCOMP0037 Assignment 1Simon Julier (s.julier@ucl ...
分类:其他好文   时间:2019-02-03 19:43:25    阅读次数:102
数组B:我想我需要一艘船屋
Fred Mapper is considering purchasing some land in Louisiana to build his house on. In the process of investigating the land, he learned that the stat ...
分类:编程语言   时间:2019-01-09 23:36:52    阅读次数:296
I Think I Need a Houseboat
Problem(问题): Fred Mapper is considering purchasing some land in Louisiana to build his house on. In the process of investigating the land, he learned ...
分类:其他好文   时间:2018-12-23 11:22:41    阅读次数:190
CodeForces - 556C Case of Matryoshkas (水题)
Andrewid the Android is a galaxy-famous detective. He is now investigating the case of vandalism at the exhibition of contemporary art. The main exhib ...
分类:其他好文   时间:2018-10-13 22:48:59    阅读次数:269
Number Theory Problem(The 2016 ACM-ICPC Asia China-Final Contest 找规律)
题目: Mr. Panda is one of the top specialists on number theory all over the world. Now Mr. Panda is investigating the property of the powers of 2. Since ...
分类:其他好文   时间:2018-10-06 16:39:54    阅读次数:158
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