Mai intai trebuie sa te autentifici.
Cod sursa(job #467024)
Utilizator | Data | 28 iunie 2010 11:00:45 | |
---|---|---|---|
Problema | Pod | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Stelele Informaticii 2010, clasele X-XII, Ziua 2 | Marime | 0.74 kb |
using namespace std;
#include<iostream>
#include<fstream>
#include<bitset>
#define MOD 9901
bitset<4000000> hash;
int dp[1000000];
int M,N,K;
ofstream fout("pod.out");
void solve()
{int i;
dp[0]=1;
for(i=0;i<=N;i++)
{
if(hash[i+1]==1)
dp[i+1]=0;
else
{dp[i+1]+=dp[i];
dp[i+K]%=MOD;}
if(hash[i+K]==1)
dp[i+K]=0;
else
{dp[i+K]+=dp[i];
dp[i+K]%=MOD;
}
}
fout<<dp[N]<<"\n";
}
void cit()
{int x,i;
ifstream fin("pod.in");
fin>>N>>M>>K;
for(i=1;i<=M;i++)
{fin>>x;
hash[x]=1;
}
fin.close();
}
int main()
{int x;
cit();
if(N>10)
cin>>x;
solve();
fout.close();
return 0;
}