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- #include <fstream>
- #define NN 1005
- #define MOD 9901
- using namespace std;
- ifstream f("cladire1.in");
- ofstream g("cladire1.out");
- int n,m,a[NN][NN],s[NN][NN];
- int main()
- {
- f>>n>>m;
- int k,i,j;
- f>>k;
- for(int p=1;p<=k;++p)
- f>>i>>j,a[i][j]=1;
- s[1][1]=1;
- for(i=2;i<=n;++i)
- if(a[i-1][1]==0)
- s[i][1]=s[i-1][1];
- for(int j=2;j<=m;++j)
- if(a[1][j-1]==0)
- s[1][j]=s[1][j-1];
- for(int i=2;i<=n;++i)
- for(int j=2;j<=m;++j)
- {
- if(a[i-1][j]==0)
- s[i][j]+=s[i-1][j];
- if(a[i][j-1]==0)
- s[i][j]+=s[i][j-1];
- s[i][j]%=MOD;
- }
- g<<s[n][m];
- return 0;
- }
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