Cod sursa(job #2976966)

Utilizator PatruMihaiPatru Mihai PatruMihai Data 10 februarie 2023 14:55:21
Problema Loto Scor 85
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 3.19 kb
#include <bits/stdc++.h>

using namespace std;

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

    InParser& 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;
    }

    InParser& 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 OutParser {
private:
    FILE *fout;
    char *buff;
    int sp;

    void write_ch(char ch) {
        if (sp == 50000) {
            fwrite(buff, 1, 50000, fout);
            sp = 0;
            buff[sp++] = ch;
        } else {
            buff[sp++] = ch;
        }
    }


public:
    OutParser(const char* name) {
        fout = fopen(name, "w");
        buff = new char[50000]();
        sp = 0;
    }
    ~OutParser() {
        fwrite(buff, 1, sp, fout);
        fclose(fout);
    }

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

    OutParser& operator << (long long vu64) {
        if (vu64 <= 9) {
            write_ch(vu64 + '0');
        } else {
            (*this) << (vu64 / 10);
            write_ch(vu64 % 10 + '0');
        }
        return *this;
    }

    OutParser& operator << (char ch) {
        write_ch(ch);
        return *this;
    }
    OutParser& operator << (const char *ch) {
        while (*ch) {
            write_ch(*ch);
            ++ch;
        }
        return *this;
    }
};

ifstream fin("loto.in");
OutParser fout("loto.out");

struct loto
{
    int a, b, c;
};

const int NMAX = 107;

unordered_map<int, loto> m;
vector<loto> sum;
int v[NMAX];

int main()
{
    int n, s;
    fin >> n >> s;

    for (int i = 1; i <= n; ++i)
        fin >> v[i];

    for (int i = 1; i <= n; ++i)
        for (int j = 1; j <= n; ++j)
            for (int k = 1; k <= n; ++k)
            {
                sum.push_back({v[i], v[j], v[k]});
                int suma = v[i] + v[j] + v[k];
                m[suma] = {v[i], v[j], v[k]};
            }

    for (auto i: sum)
    {
        int ramas = s - i.a - i.b - i.c;
        if (m.find(ramas) != m.end())
        {
            fout << i.a << " " << i.b << " " << i.c << " " << m[ramas].a << " " << m[ramas].b << " " << m[ramas].c;
            return 0;
        }
    }

    fout << "-1";
    return 0;
}