http://poj.org/problem?id=2891 题意:求解一个数x使得 x%8 = 7,x%11 = 9; 若x存在,输出最小整数解.否则输出-1: ps: 思路:这不是简单的中国剩余定理问题,由于输入的ai不一定两两互质,而中国剩余定理的条件是除数两两互质. 这是一般的模线性方程组,对于 X mod m1=r1 X mod m2=r2 ... ... ... X mod mn=rn 首先,我们看两个式子的情况 X mod m1=r1-----------------------(…
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…
Strange Way to Express Integers Time Limit: 1000MS Memory Limit: 131072K Total Submissions: 17877 Accepted: 6021 Description Elina is reading a book written by Rujia Liu, which introduces a strange way to express non-negative integers. The way is…
Description Elina 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 non-negative m, divide it by ev…
Strange Way to Express Integers Time Limit: 1000MS Memory Limit: 131072K Total Submissions: 16839 Accepted: 5625 Description Elina is reading a book written by Rujia Liu, which introduces a strange way to express non-negative integers. The way is…
2891 -- Strange Way to Express Integers import java.math.BigInteger; import java.util.Scanner; public class Main { static final BigInteger ZERO = new BigInteger("0"); static final BigInteger ONE = new BigInteger("1"); static BigInteger…
Description Elina 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 non-negative m, divide it by ev…
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…
Strange Way to Express Integers Time Limit: 1000MS Memory Limit: 131072K Total Submissions: 19509 Accepted: 6592 Description Elina is reading a book written by Rujia Liu, which introduces a strange way to express non-negative integers. The way is…
Strange Way to Express Integers Time Limit: 1000MS Memory Limit: 131072K Total Submissions: 8005 Accepted: 2378 Description Elina is reading a book written by Rujia Liu, which introduces a strange way to express non-negative integers. The way is…
扩展中国剩余定理板子 #include<iostream> #include<cstdio> using namespace std; const int N=100005; int n; long long m[N],r[N],M,R,x,y,d; void exgcd(long long a,long long b,long long &d,long long &x,long long &y) { if(!b) { d=a,x=1,y=0; return…
Strange Way to Express Integers Description Elina 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…
