Cod sursa(job #1419137)

Utilizator crysstyanIacob Paul Cristian crysstyan Data 14 aprilie 2015 19:17:59
Problema Loto Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.36 kb
#include <fstream>
#include <algorithm>
#define NMAX 101

using namespace std;

ifstream f("loto.in");
ofstream g("loto.out");

int v[NMAX*NMAX*NMAX], x[NMAX], i, j, k, n, s, ans1=-1, ans2=-1;

int cautbin(int st, int dr, int x)
{
    int med;
    while (st<=dr)
    {
        med=(st+dr)/2;
        if (v[med]==x) return med;
        else
            if (x<v[med]) dr=med-1;
        else
            st=med+1;
    }
    return -1;
}

int main()
{
    f>>n>>s;

    for (i=1; i<=n; ++i)
        f>>x[i];

        int cont=0;

    for (i=1; i<=n; ++i)
        for (j=1; j<=n; ++j)
        for (k=1; k<=n; ++k)
            v[++cont]=x[i]+x[j]+x[k];

    sort(v+1,v+cont+1);

    for (i=1; i<=n*n*n; ++i)
    if (cautbin(i,n*n*n,s-v[i])!=-1)
    ans1=v[i], ans2=s-v[i], i=n*n*n+1;

    if (ans1==-1) g<<"-1\n";
    else
    {
        for (i=1; i<=n; ++i)
            for (j=1; j<=n; ++j)
            for (k=1; k<=n; ++k)
            if (x[i]+x[j]+x[k]==ans1)
             {
                g<<x[i]<<" "<<x[j]<<" "<<x[k]<<" ";
            i=j=k=n+1;
             }

        for (i=1; i<=n; ++i)
            for (j=1; j<=n; ++j)
            for (k=1; k<=n; ++k)
            if (x[i]+x[j]+x[k]==ans2)
             {
                g<<x[i]<<" "<<x[j]<<" "<<x[k]<<" ";
            i=j=k=n+1;
             }
    }
    return 0;
}