Cod sursa(job #2823158)

Utilizator NutaAlexandruASN49K NutaAlexandru Data 27 decembrie 2021 12:30:45
Problema Loto Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 3.2 kb
#include <bits/stdc++.h>
using namespace std;
class innput
{
private:
    FILE *fin;
    char *buff;
    int sp;

    char read_ch()
    {
        ++sp;
        if(sp==4096)
        {
            sp=0;
            fread(buff,1,4096,fin);
        }
        return buff[sp];
    }

public:
    innput(const char* nume)
    {
        fin=fopen(nume,"r");
        buff=new char[4096]();
        sp=4095;
    }

    innput& operator >> (int &n)
    {
        char c;
        while(!isdigit(c=read_ch())&&c!='-');
        int sgn=1;
        if (c=='-')
        {
            n=0;
            sgn=-1;
        }
        else
        {
            n=c-'0';
        }
        while(isdigit(c=read_ch()))
        {
            n=10*n+c-'0';
        }
        n*=sgn;
        return *this;
    }

    innput& operator >> (long long &n)
    {
        char c;
        n=0;
        while(!isdigit(c=read_ch())&&c!='-');
        long long sgn=1;
        if(c=='-')
        {
            n=0;
            sgn=-1;
        }
        else
        {
            n=c-'0';
        }
        while(isdigit(c=read_ch()))
        {
            n=10*n+c-'0';
        }
        n*=sgn;
        return *this;
    }
};

class output
{
private:
    FILE *fout;
    char *buff;
    int sp;

    void write_ch(char ch)
    {
        if(sp==20)
        {
            fwrite(buff,1,20,fout);
            sp=0;
            buff[sp++]=ch;
        }
        else
        {
            buff[sp++]=ch;
        }
    }

public:
    output(const char* name)
    {
        fout=fopen(name,"w");
        buff=new char[20]();
        sp=0;
    }
    ~output()
    {
        fwrite(buff,1,sp,fout);
        fclose(fout);
    }

    output& operator <<(int vu32)
    {
        if(vu32<=9)
        {
            write_ch(vu32+'0');
        }
        else
        {
            (*this) <<(vu32/10);
            write_ch(vu32%10+'0');
        }
        return *this;
    }

    output& operator <<(long long vu64)
    {
        if(vu64<=9)
        {
            write_ch(vu64+'0');
        }
        else
        {
            (*this) <<(vu64/10);
            write_ch(vu64%10+'0');
        }
        return *this;
    }
};
///
template<int n,typename T>
class f
{
public:
    T a[n];
};

unordered_map <int , f<3,int>> mp;
innput fin("loto.in");
output fout("loto.out");
int main()
{
    int n,s;
    cin>>n>>s;
    const int n2=n;
    int a[n];
    for(int i=0;i<n;i++)
    {
        cin>>a[i];
    }
    for(int i=0;i<n;i++)
    {
        for(int j=i;j<n;j++)
        {
            for(int k=j;k<n;k++)
            {
                mp[a[i]+a[j]+a[k]]={a[i],a[j],a[k]};
            }
        }
    }
    for(int i=0;i<n;i++)
    {
        for(int j=i;j<n;j++)
        {
            for(int k=j;k<n;k++)
            {
                const int x=s-a[i]-a[j]-a[k];
                if(mp.find(x)!=mp.end())
                {
                    cout<<a[i]<<" "<<mp[x].a[0]<<" "<<a[j]<<" "<<mp[x].a[1]<<" "<<a[k]<<" "<<mp[x].a[2];
                    return 0;
                }
            }
        }
    }
    cout<<"-1";
    return 0;
}