Submission #145221

#	Time	Username	Problem	Language	Result	Execution time	Memory
145221		Divia	Alkemija (COCI18_alkemija)	C++14	80 / 80	209 ms	12760 KiB

alkemija

#include <iostream>
#include <vector>
#include <deque>
using namespace std;
int n,m,i,j,x,f[100010],k,viz[100010],react,elem,sol;
struct reactie{
int L,R,necunoscute;
vector <int> Y;} w[100010];
vector <int> lista[100010];
deque <int> coada;
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.size()){
        react=coada.front();
        coada.pop_front();
        for(i=0;i<w[react].Y.size();i++){
            elem=w[react].Y[i];
            if(f[elem]==0){
                f[elem]=1;
                for(j=0;j<lista[elem].size();j++){
                    k=lista[elem][j];
                    if(viz[k]==0){
                        w[k].necunoscute--;
                        if(w[k].necunoscute==0){
                            coada.push_back(k);
                            viz[k]=1;
                        }
                    }
                }
            }
        }
    }
    for(i=1;i<=n;i++)
        if(f[i])sol++;
    cout<<sol<<"\n";
    for(i=1;i<=n;i++)
        if(f[i])cout<<i<<" ";
    return 0;
}

Compilation message (stderr)

alkemija.cpp: In function 'int main()':
alkemija.cpp:39:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(i=0;i<w[react].Y.size();i++){
                 ~^~~~~~~~~~~~~~~~~~
alkemija.cpp:43:26: 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