Submission #143363

#	Time	Username	Problem	Language	Result	Execution time	Memory
143363		vladciuperceanu	Alkemija (COCI18_alkemija)	C++14	80 / 80	194 ms	11092 KiB

alkemija

#include <iostream>
#include <deque>
#include <vector>

using namespace std;

int n,m,k,i,j,x,f[100005],viz[100005];
deque<int> coada;
vector<int> lista[100005];

struct reactie
{
    int L;
    int R;
    int necunoscute;
    vector<int> Y;
};

reactie w[100005];

int main()
{
    cin >> n >> m;
    for (i=1; i<=m; i++)
    {
        cin >> x;
        f[x] = 1;
    }
    cin >> k;
    for (i=1; i<=k; i++)
    {
        cin >> w[i].L >> w[i].R;
        w[i].necunoscute = w[i].L;
        for (j=1; j<=w[i].L; j++)
        {
            cin >> x;
            lista[x].push_back(i);
            if (f[x] == 1)
            {
                w[i].necunoscute--;
                if (w[i].necunoscute == 0)
                {
                    coada.push_back(i);
                    viz[i] = 1;
                }
            }
        }
        for (j=1; j<=w[i].R; j++)
        {
            cin >> x;
            w[i].Y.push_back(x);
        }
    }
    while (!coada.empty())
    {
        int reac = coada.front();
        coada.pop_front();
        for (i=0; i<w[reac].Y.size(); i++)
        {
            int elem = w[reac].Y[i];
            if (f[elem] == 0)
            {
                f[elem] = 1;
                for (j=0; j<lista[elem].size(); j++)
                {
                    int val = lista[elem][j];
                    if (viz[val] == 0)
                    {
                        w[val].necunoscute--;
                        if (w[val].necunoscute == 0)
                        {
                            coada.push_back(val);
                            viz[val] = 1;
                        }
                    }
                }
            }
        }
    }
    int sol = 0;
    for (i=1; i<=100000; i++)
        if (f[i] == 1)
            sol++;
    cout << sol << "\n";
    for (i=1; i<=100000; i++)
        if (f[i] == 1)
            cout << i << " ";
    return 0;
}

Compilation message (stderr)

alkemija.cpp: In function 'int main()':
alkemija.cpp:58:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (i=0; i<w[reac].Y.size(); i++)
                   ~^~~~~~~~~~~~~~~~~
alkemija.cpp:64:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 for (j=0; j<lista[elem].size(); j++)
                           ~^~~~~~~~~~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 8 / 8
• Subtask 3: 8 / 8
• Subtask 4: 8 / 8
• Subtask 5: 8 / 8
• Subtask 6: 8 / 8
• Subtask 7: 8 / 8
• Subtask 8: 8 / 8
• Subtask 9: 8 / 8
• Subtask 10: 8 / 8