一本通1635【例 5】Strange Way to Express Integers

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一本通1635【例 5】Strange Way to Express Integers

1635:[例 5]Strange Way to Express Integers sol:貌似就是曹冲养猪的加强版,初看感觉非常没有思路,经过一番艰辛的***,得到以下的结果随便解释下给以后的自己听:K是要求的数字第一个读入的A1,Mod1不用改,从2开始做,把Mod2改成LCM,A2改成Ans,接着搞3 /* 原式: X = A[1] (%Mod[1]) X = A[2] (%Mod[2]) ... X = A[n] (%Mod[n]) K[1]*Mod[1]+A[1] = X K[2]…

Strange Way to Express Integers

I. Strange Way to Express Integers 题目描述原题来自:POJ 2891 给定 2n2n2n 个正整数 a1,a2,⋯,ana_1,a_2,\cdots ,a_na1,a2,⋯,an 和 m1,m2,⋯,mnm_1,m_2,\cdots ,m_nm1,m2,⋯,mn,求一个最小的正整数 xxx,满足 ∀i∈[1,n],x≡ai (modmi ),或者给出无解. 输入格式多组数据. 每组数据第一行一个整数 nnn:接下来 nn…

中国剩余定理+扩展中国剩余定理讲解+例题（HDU1370 Biorhythms + POJ2891 Strange Way to Express Integers）

0.引子每一个讲中国剩余定理的人,都会从孙子的一道例题讲起有物不知其数,三三数之剩二,五五数之剩三,七七数之剩二.问物几何? 1.中国剩余定理引子里的例题实际上是求一个最小的x满足关键是,其中r1,r2,--,rk互质这种问题都有多解,每一个解都为最小的解加上若干个lcm(r1,r2,...,rk),这个不用我证了吧(-_-||) 解决这个问题的方法是构造法, 先构造k个数满足, 这样就保证 ,但是由于 bi 乘了除 ri 以外所有 r,所以bi模其它的 r 都为 0, 再把所有 b…

poj 2891 Strange Way to Express Integers (非互质的中国剩余定理)

Strange Way to Express Integers Time Limit: 1000MS Memory Limit: 131072K Total Submissions: 9472 Accepted: 2873 Description Elina is reading a book written by Rujia Liu, which introduces a strange way to express non-negative integers. The way is…

POJ2891——Strange Way to Express Integers(模线性方程组)

Strange Way to Express Integers DescriptionElina is reading a book written by Rujia Liu, which introduces a strange way to express non-negative integers. The way is described as following:Choose k different positive integers a1, a2, …, ak. For some n…

[POJ 2891] Strange Way to Express Integers

Strange Way to Express Integers Time Limit: 1000MS Memory Limit: 131072K Total Submissions: 10907 Accepted: 3336 Description Elina is reading a book written by Rujia Liu, which introduces a strange way to express non-negative integers. The way is…

数论F - Strange Way to Express Integers（不互素的的中国剩余定理）

F - Strange Way to Express Integers Time Limit:1000MS Memory Limit:131072KB 64bit IO Format:%I64d & %I64u Submit Status Description Elina is reading a book written by Rujia Liu, which introduces a strange way to express non-negative integers.…

Strange Way to Express Integers（中国剩余定理+不互质）

Strange Way to Express Integers Time Limit:1000MS Memory Limit:131072KB 64bit IO Format:%I64d & %I64u Submit Status Practice POJ 2891 Description Elina is reading a book written by Rujia Liu, which introduces a strange way to express non-negative i…

POJ2891 Strange Way to Express Integers

题意 Language:Default Strange Way to Express Integers Time Limit: 1000MS Memory Limit: 131072K Total Submissions: 21651 Accepted: 7266 Description Elina is reading a book written by Rujia Liu, which introduces a strange way to express non-negative inte…

poj 2981 Strange Way to Express Integers (中国剩余定理不互质)

http://poj.org/problem?id=2891 Strange Way to Express Integers Time Limit: 1000MS Memory Limit: 131072K Total Submissions: 11970 Accepted: 3788 Description Elina is reading a book written by Rujia Liu, which introduces a strange way to express no…