Cod sursa(job #1062231)

Utilizator chiriacandrei25Chiriac Andrei chiriacandrei25 Data 20 decembrie 2013 21:31:57
Problema Diviz Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.24 kb
#include <fstream>
#include <cstring>

using namespace std;

short A,B,K,a[205],N,first[10][205],dp[2][205][102],sol,r[102][12];

inline void Read()
{
    int i,j;
    char sir[205];
    ifstream fin("diviz.in");
    fin>>K>>A>>B>>sir;
    for(i=0;sir[i];++i)
        a[++N]=sir[i]-'0';
    fin.close();
    for(i=N;i>0;--i)
        for(j=9;j>=0;--j)
            if(a[i]==j)
                first[j][i-1]=i;
            else
                first[j][i-1]=first[j][i];

    for(i=0;i<K;++i)
        for(j=0;j<10;++j)
            r[i][j]=(i*10+j)%K;
}

inline void Solve()
{
    int i,j,cif,rest,u=0;
    for(cif=1;cif<10;++cif)
        if(first[cif][0])
            dp[0][first[cif][0]][cif%K]=1;

    for(i=1;i<=B;i++,u^=1)
    {
        for(j=i;j<=N;j++)
        {
            if(i>=A)
                sol=(sol+dp[u][j][0])%30103;
            for(rest=0;rest<K;rest++)
                for(cif=0;cif<10;cif++)
                    dp[u^1][first[cif][j]][r[rest][cif]]=(dp[u^1][first[cif][j]][r[rest][cif]]+dp[u][j][rest])%30103;
        }
        memset(dp[u], 0, sizeof(dp[u]));
    }

    ofstream fout("diviz.out");
    fout<<sol<<"\n";
    fout.close();
}

int main()
{
    Read();
    Solve();
    return 0;
}