Cod sursa(job #2949751)
Utilizator | Data | 1 decembrie 2022 16:25:12 | |
---|---|---|---|
Problema | Dirichlet | Scor | 40 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.42 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream f("dirichlet.in");
ofstream g("dirichlet.out");
const int MOD = 9999991;
long long C[1001];
void Catalan(int n)
{
C[0] = 1;
for(int i = 1; i <= n; i++) {
for(int j = 1; j <= i; j++)
C[i] = (C[i] + 1LL * C[j - 1] * C[i - j]) % MOD;
}
}
int main()
{
int n;
f >> n;
Catalan(n);
g << C[n];
return 0;
}