Cod sursa(job #1385240)

Utilizator GinguIonutGinguIonut GinguIonut Data 11 martie 2015 19:59:05
Problema Diamant Scor 20
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.81 kb
#include <fstream>
#include <algorithm>
#include <string.h>
using namespace std;
ifstream fin("diamant.in");
ofstream fout("diamant.out");
long int a[90010],b[90010],vect[401],i,j,n,m,s,h,sum;
int cmp(int x, int y)
{
    if(vect[x]<vect[y])
        return 0;
    return 1;
}
int main()
{
fin>>n>>m>>s;
for(i=1;i<=n;i++)
    for(j=1;j<=m;j++)
    {
        vect[++h]=i*j;
        sum+=i*j;
    }
    if(s<0)
        s*=-1;
sort(vect+1,vect+h+1,cmp);
a[0]=1;
for(i=1;i<=m*n;i++)
{
    for(j=sum;j>=0;j--)
    {
        b[j]+=a[j]%10000;
        if(j+vect[i]<=sum)
            b[j]+=a[j+vect[i]];
        if(j-vect[i]>=0)
            b[j]+=a[j-vect[i]];
        b[j]=b[j]%10000;
    }
    memcpy(a,b,sizeof(b));
    memset(b,0,sizeof(b));
}
a[s]=a[s]%10000;
fout<<a[s];

    return 0;
}