Cod sursa(job #2693216)

Utilizator rimihaiMihai Radu-Ioan rimihai Data 5 ianuarie 2021 11:14:10
Problema Loto Scor 5
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.47 kb
#include <bits/stdc++.h>
using namespace std;
ifstream fin("loto.in");
ofstream fout("loto.out");

struct puncte
{
    int a,b,c,s;
};
vector<puncte>pct;
vector<int>v;
int val,settrei1,settrei2,inceput;
bool sortare(puncte A,puncte B)
{
    return A.s<=B.s;
}
int binar(int val)
{
    int mid,r,l;
    l=0;
    r=v.size()-1;
    while(l<=r)
    {
        mid=(l+r)/2;
        if(pct[mid].s==val)
            return mid;
        else if(pct[mid].s<val)
            l=mid+1;
        else
        {
            r=mid-1;
        }
    }
    return -1;
}
int main()
{
    int n,s;
    puncte p;
    fin>>n>>s;
    for(int i=1; i<=n; i++)
    {
        int a;
        fin>>a;
        v.push_back(a);
        for(int j=0; j<=v.size()-1; j++)
            for(int k=0; k<=j; k++)
            {
                p.s=a+v[j]+v[k];
                p.a=a;
                p.b=v[j];
                p.c=v[k];
                pct.push_back(p);
            }
    }
    sort(pct.begin(),pct.end(),sortare);
    int ok=0;
    for(int i=0; i<=pct.size()-1 and ok==0; i++)
    {
        val=s-pct[i].s;
        inceput=i;
        int settrei2=binar(val);
        if(settrei2!=-1)
        {
            ok=1;
            settrei1=i;
        }
    }
    if(ok==0)fout<<-1;
    else
    {
        fout<<pct[settrei1].a<<" "<<pct[settrei1].b<<" "<<pct[settrei1].c<<" "<<pct[settrei2].a<<" "<<pct[settrei2].b<<" "<<pct[settrei2].c;
    }
    return 0;
}