题目意思很直接就是一道裸的解线性同余模方程组的题目 #include <cstdio> #include <cstring> using namespace std; #define N 15 int r[N] , m[N]; int ex_gcd(int a , int &x , int b , int &y) { ){ x = , y = ; return a; } int ans = ex_gcd(b , x , a%b , y); int t = x; x…
HDU 1573 X问题 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4857 Accepted Submission(s): 1611 Problem Description 求在小于等于N的正整数中有多少个X满足:X mod a[0] = b[0], X mod a[1] = b[1], X mod a[2] = b[2],…
链接:pid=1573">http://acm.hdu.edu.cn/showproblem.php? pid=1573 题意:求在小于等于N的正整数中有多少个X满足:X mod a[0] = b[0], X mod a[1] = b[1], X mod a[2] = b[2], -, X mod a[i] = b[i], - (0 < a[i] <= 10). 思路:中国剩余定理的模板题(全部除数相互不互质版),假设找不到这种数或者最小的X大于N.输出零. 资料:http:/…
X问题 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 8365 Accepted Submission(s): 3037 Problem Description 求在小于等于N的正整数中有多少个X满足:X mod a[0] = b[0], X mod a[1] = b[1], X mod a[2] = b[2], …, X mod…
X问题 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2980 Accepted Submission(s): 942 Problem Description 求在小于等于N的正整数中有多少个X满足:X mod a[0] = b[0], X mod a[1] = b[1], X mod a[2] = b[2], …, X mod…
题目链接 题意 : 中文题不详述. 思路 : 中国剩余定理.求中国剩余定理中解的个数.看这里看这里 #include <stdio.h> #include <iostream> #include <math.h> using namespace std ; long long x,y ; long long N,M ; long long ext_gcd(long long a,long long b) { long long t,d ; ) { x = ; y = ;…