https://codeforces.com/problemsets/acmsguru/problem/99999/140 n元同余方程的求解 对于任意二元我们可以替换成kgcd(a,b),不断迭代下去最后会变成ax=b(mod p)的情况,然后,再返回去求解,得到g,然后后面变成不等式求解,直接将y[i-1]*g即可,但是要最小整数解.过程当中不断的用p取模,这样可以保证结果不会很大.因为只要一个结果,通项公式为b/d的一个组合,小的约束小,大的约束大, 大的一定包含在小的里面,那么大的一定是…

140. Integer Sequences time limit per test: 0.25 sec. memory limit per test: 4096 KB A sequence A is called an integer sequence of length N if all its elements A1 A2 .. AN are non-negative integers less than 2 000 000 000. Consider two integer sequen…

6617: Finite Encyclopedia of Integer Sequences 时间限制: 1 Sec  内存限制: 128 MB提交: 375  解决: 91[提交] [状态] [讨论版] [命题人:admin] 题目描述 In Finite Encyclopedia of Integer Sequences (FEIS), all integer sequences of lengths between 1 and N (inclusive) consisting of int…

1043: Radical loves integer sequences Time Limit: 1 Sec  Memory Limit: 128 MB Submit: 36  Solved: 4 [Submit][Status][Web Board] Description One day Radical got hold of an integer sequence a1, a2, ..., an of length n. He decided to analyze the sequenc…

Problem  Codeforces #550 (Div3) - G.Two Merged Sequences Time Limit: 2000 mSec Problem Description Two integer sequences existed initially, one of them was strictly increasing, and another one — strictly decreasing. Strictly increasing sequence is a…

We have two integer sequences A and B of the same non-zero length. We are allowed to swap elements A[i] and B[i].  Note that both elements are in the same index position in their respective sequences. At the end of some number of swaps, A and B are b…

We have two integer sequences A and B of the same non-zero length. We are allowed to swap elements A[i] and B[i].  Note that both elements are in the same index position in their respective sequences. At the end of some number of swaps, A and B are b…

We have two integer sequences A and B of the same non-zero length. We are allowed to swap elements A[i] and B[i].  Note that both elements are in the same index position in their respective sequences. At the end of some number of swaps, A and B are b…

［抄题］: We have two integer sequences A and B of the same non-zero length. We are allowed to swap elements A[i] and B[i].  Note that both elements are in the same index position in their respective sequences. At the end of some number of swaps, A and B…

原题链接在这里:https://leetcode.com/problems/minimum-swaps-to-make-sequences-increasing/ 题目: We have two integer sequences A and B of the same non-zero length. We are allowed to swap elements A[i] and B[i].  Note that both elements are in the same index pos…