Cod sursa(job #1939381)

Utilizator razvan171514Razvan Mihai razvan171514 Data 25 martie 2017 18:07:04
Problema Loto Scor 5
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.13 kb
#include <fstream>
#include <algorithm>
#define DN 1000006
using namespace std;
ifstream f ("loto.in");
ofstream g ("loto.out");
int a[106],v[DN],n,s,i,j,k,x,y,st,dr;
bool ok;
void afisare(int nr)
{
    for (i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            for(k=1;k<=n;k++)
                if (a[i]+a[j]+a[k]==nr)
                    g<<a[i]<<' '<<a[j]<<' '<<a[k]<<' ';
}
int main()
{
    f>>n>>s;
    for (i=1;i<=n;i++)
        f>>a[i];
    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
            for (k=1;k<=n;k++)
            {
                x++;
                v[x]=a[i]+a[j]+a[k];
            }
    sort (v+1,v+x+1);
    for (i=1;i<=x;i++)
        if (v[i]!=v[y])
        {
            y++;
            v[y]=v[i];
        }
    x=y;
    sort (v+1,v+x+1);
    ok=false;
    st=1;
    dr=x;
    while (!ok && st<=dr)
    {
        if (v[st]+v[dr]>s)
            dr--;
        else
            if (v[st]+v[dr]<s)
                st++;
        else
            ok=true;
    }
    if (!ok)
        g<<-1;
    else
    {
        afisare(v[st]);
        afisare(v[dr]);
    }
    return 0;
}