Cod sursa(job #1317917)

Utilizator RaduToporanRadu Toporan RaduToporan Data 15 ianuarie 2015 13:13:27
Problema Loto Scor 100
Compilator cpp Status done
Runda Teme Pregatire ACM Unibuc 2014, Anul I Marime 1.21 kb
#include <fstream>
#include <algorithm>
using namespace std;
ifstream fin("loto.in");
ofstream fout("loto.out");
int n,s,a[101],coord1,coord2,coord3,sum,i,j,k,t,Max,st,dr,m,ok,f,q;
struct structura
{
    int x,y,z,w;
}v[1000001];
int cmp(structura o, structura p)
{
    if(o.x<p.x)
        return 1;
    return 0;
}
int main()
{
    fin>>n>>s;
    for(i=1;i<=n;i++)
        fin>>a[i];
    for(i=1;i<=n;i++)
        for(j=i;j<=n;j++)
            for(k=j;k<=n;k++)
            {
                sum=a[i]+a[j]+a[k];
                    t++;
                    v[t].x=sum;
                    v[t].y=a[i];
                    v[t].z=a[j];
                    v[t].w=a[k];
            }
    sort(v+1,v+t+1,cmp);
    for(i=1;i<=t&&ok==0;i++)
    {
      Max=s-v[i].x;
    st=1;
    dr=t;

    while(st<=dr)
    {
        m=(st+dr)/2;
        if(v[m].x==Max)
            {
               fout<<v[i].y<<" "<<v[i].z<<" "<<v[i].w<<" "<<v[m].y<<" "<<v[m].z<<" "<<v[m].w;
                ok=1;
                break;
            }
        else
            if(v[m].x>Max)
                dr=m-1;
            else
                st=m+1;
    }
    }
    if(ok==0)
        fout<<-1;
    return 0;
}