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  1. // iostream is too mainstream
  2. #include <cstdio>
  3. // bitch please
  4. #include <iostream>
  5. #include <vector>
  6. #include <set>
  7. #include <map>
  8. #include <string>
  9. #include <queue>
  10. #include <stack>
  11. #include <algorithm>
  12. #include <iomanip>
  13. #define dibs reserve
  14. #define OVER9000 1234567890
  15. #define patkan 9
  16. #define tisic 47
  17. #define soclose 10e-7
  18. #define ALL_THE(CAKE,LIE) for(auto LIE =CAKE.begin(); LIE != CAKE.end(); LIE++)
  19. #define chocolate win
  20. #define ff first
  21. #define ss second
  22. #define abs(x) ((x < 0)?-(x):(x))
  23. // mylittlepony
  24. using namespace std;
  25.  
  26. int main() {
  27. 	// freopen("rooks.in","r",stdin);
  28. 	int T;
  29. 	scanf(" %d",&T);
  30.  
  31.     for(int t =0; t < T; t++) {
  32.     	int N,M,K,a,b;
  33.     	scanf(" %d %d %d",&N,&M,&K);
  34.     	set<int> X,Y;
  35.     	for(int i =0; i < K; i++) {
  36.     		scanf(" %d %d",&a,&b);
  37.     		X.insert(a);
  38.     		Y.insert(b);}
  39.  
  40.     	int A =X.size(), B =Y.size();
  41.     	if(A < B) {
  42.     		swap(N,M);
  43.     		swap(A,B);}
  44.     	long long mod =1000000007;
  45.     	vector< vector<long long> > C(A+1,vector<long long>(B+1,0));
  46.     	C[0][B] =1;
  47.     	for(int i =1; i <= A; i++) for(int j =0; j <= B; j++) {
  48.     		if(j < B) C[i][j] =(C[i-1][j]*(M-j)+C[i-1][j+1]*(j+1))%mod;
  49.     		else C[i][j] =(C[i-1][j]*(M-B))%mod;
  50.     		if(C[i][j] < 0) C[i][j] +=mod;}
  51.  
  52.     	printf("Case %d: %d %lld\n",t+1,A,C[A][0]);}
  53.     return 0;}
  54.  
  55. // look at my code
  56. // my code is amazing
Success #stdin #stdout 0s 3480KB
comments (?)
stdin
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2
4 5 2
1 2
1 3
3 4 3
1 1
2 2
3 3
stdout
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Case 1: 2 7
Case 2: 3 6
https://ideone.com/3Y4FLa
cf s01e10
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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