"You should compute P⋅Q−1 modulo 109+7, where Q−1 denotes the multiplicative inverse of Q modulo 109+7."↵↵So, I more (or less) understood what that means.↵I can express, say 1/5 by the number 400000003.↵I can calculate that number using https://www.geeksforgeeks...
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CodeForces 232 B.Table(dp+组合数学) Description 给出一个n∗m的棋盘,在上面放一些棋子使得任意一个n∗n的区域里都有k个棋子,问方案数 Input 三个整数n,m,k(1≤n≤100,n≤m≤1018,0≤k≤n2) Output 输出方案数,结果模109+7 Sample Input 5 6 1 Sample Output 45 Solution 注意到前......
Satisfiability Modulo the Theory of Costs: Foundations and Applications 109 The second group of benchmarks comes from two real-world industrial case studies. These are the case studies that actually prompted us towards this research, because a plain encoding in SMT without costs resulted in ...
{ "deviceId": "Windows109", "moduleId": "$edgeAgent", "etag": "AAAAAAAAAAU=", "deviceEtag": "NzgwNjA1MDUz", "status": "enabled", "statusUpdateTime": "0001-01-01T00:00:00Z", "connectionState": "Disconnected", "lastActivityTime": "0001-01-01T00:00:00Z", "cloudToDeviceMes...
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There areN!N!possible orders in which the elements are removed fromSS. For each of them, find the number that would be written on the blackboard after theNNoperations, and compute the sum of all thoseN!N!numbers modulo109+7109+7. ...
There are N!N! possible orders in which the elements are removed from SS. For each of them, find the number that would be written on the blackboard after the NN operations, and compute the sum of all those N!N! numbers modulo 109+7109+7. ...
The first line contains two integers n,m(1≤n≤2000,1≤m≤109): number of elemens in arrays and mThe second line contains nintegers a1,a2,…,an (0≤ai<m).The third line contains nintegers b1,b2,…,bn (0≤bi<m).It is guaranteed that there exists some non-negative integer x, ...
109 #include<iostream> #include<cstdio> #include<algorithm> #include<cstdlib> #include<cstring> #include<string> #include<cmath> #include #include<set> #include<vector> #include<queue> #include<bitset> #include<ctime> #include<deque> #include...