Submission #141632

#	Time	Username	Problem	Language	Result	Execution time	Memory
141632		mariusnicoli	Alkemija (COCI18_alkemija)	C++14	80 / 80	203 ms	12024 KiB

alkemija

#include <iostream>
#include <deque>
#include <vector>
#include <bitset>
using namespace std;

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

element e[100010];
deque<int> coada;
vector<int> Lista[100010];
int n, m, i, v, k, j, x, nod, ec, reactie, sol;
bitset<100010> f, viz;
int main () {
    cin>>n>>m;
    for (i=1;i<=m;i++) {
        cin>>v;
        f[v] = 1;
    }
    cin>>k;
    for (i=1;i<=k;i++) {
        cin>>e[i].L>>e[i].R;
        e[i].necunoscute = e[i].L;

        for (j=1;j<=e[i].L;j++) {
            cin>>x;
            Lista[x].push_back(i);
            if (f[x] == 1) {
                e[i].necunoscute--;
                if (e[i].necunoscute == 0) {
                    coada.push_back(i);
                    viz[i] = 1;
                }
            }
        }
        for (j=1;j<=e[i].R;j++) {
            cin>>x;
            e[i].Y.push_back(x);
        }
    }

    while (!coada.empty()) {
        nod = coada.front();
        coada.pop_front();
        /// nod este o lista cu toate elementele marcate
        for (i=0;i<e[nod].Y.size();i++) {
            ec = e[nod].Y[i];
            if (f[ec] == 0) {
                f[ec] = 1;
                for (j=0;j<Lista[ec].size();j++) {
                    reactie = Lista[ec][j];
                    if (viz[reactie] == 0) {
                        e[reactie].necunoscute--;
                        if (e[reactie].necunoscute == 0) {
                            coada.push_back(reactie);
                            viz[reactie] = 1;
                        }
                    }
                }
            }
        }
    }
    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:51:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (i=0;i<e[nod].Y.size();i++) {
                  ~^~~~~~~~~~~~~~~~
alkemija.cpp:55:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 for (j=0;j<Lista[ec].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