Cod sursa(job #1584417)
Utilizator | Data | 30 ianuarie 2016 08:29:36 | |
---|---|---|---|
Problema | Culori | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.55 kb |
#include<fstream>
#define MOD 9901
using namespace std;
ifstream f("culori.in");
ofstream g("culori.out");
int n,m,i,j,k,c[600],a[1200][1200];
int main() {
f>>n;
m=2*n-1;
for(i=1; i<=m; ++i)
{
f>>c[i];
a[i][i]=1;
}
for(i=1; i<=m; ++i)
for(j=1; j<=m; ++j)
if(c[i+j]==c[j])
for(k=j+1; k<=i+j; ++k) {
a[j][i+j]+=(a[j+1][k]*a[k+1][i+j]);
a[j][i+j]%=MOD;
}
g<<a[1][m]<<'\n';
return 0;
}