Cod sursa(job #2086188)

Utilizator smashsmash everything smash Data 11 decembrie 2017 17:11:31
Problema Loto Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.28 kb
#include <fstream>
#include<algorithm>
using namespace std;
ifstream cin ("loto.in");
ofstream cout ("loto.out");
int n,s,date[101],l;
struct bla
{
    int p1,p2,p3,p4;
} data[100*100*100+1];
void read ()
{
    cin>>n>>s;
    for(int i=1;i<=n;i++)
        cin>>date[i];
}
bool sortare (bla q,bla w)
{
    return q.p4<w.p4;
}
void init ()
{
    for(int i=1;i<=n;i++)
        for(int j=i;j<=n;j++)
            for(int k=j;k<=n;k++)
                data[++l].p4=date[i]+date[j]+date[k],data[l].p2=i,data[l].p3=j,data[l].p1=k;
    sort(data+1,data+l+1,sortare);
}
int cauta (int val)
{
    int st=1,dr=l,mij=(st+dr)/2;
    while(st<=dr)
    {
        if(data[mij].p4>val) dr=mij-1; else st=mij+1;
        mij=(st+dr)/2;
    }
    if(data[dr].p4==val) return dr;
    else return 0;
}
void solve ()
{
    for(int i=1;i<=n;i++)
        for(int j=i;j<=n;j++)
            for(int k=j;k<=n;k++)
            {
                int poz=cauta(s-date[i]-date[j]-date[k]);
                if(poz>0) { cout<<date[i]<<" "<<date[j]<<" "<<date[k]<<" "<<date[data[poz].p1]<<" "<<date[data[poz].p2]<<" "<<date[data[poz].p3]; return; }
            }
            cout<<-1;
}
int main()
{
    read();
    init();
    solve();
    cin.close();
    cout.close();
    return 0;
}