제출 #145051

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
145051		Mihnea	Alkemija (COCI18_alkemija)	C++14	80 / 80	224 ms	12912 KiB

alkemija

#include<iostream>
#include<vector>
using namespace std;
int n,m,x,k,p,h,elem,r,R,nr;
int F[100010],F1[100010],c[100010];
vector<int>L[100010];
struct reactie{
    int C; /// nr elemente cerute
    int rez; /// nr elemente rezultate
    int neobtinute;
    vector<int>y; /// elementele rezultate
};

reactie v[100010];

int main(){
    cin>>n>>m;
    for(int i=1;i<=m;i++){
        cin>>x;
        F[x]=1;
    }
    cin>>k;
    for(int i=1;i<=k;i++){
        cin>>v[i].rez>>v[i].C;
        v[i].neobtinute=v[i].rez;
        for(int j=1;j<=v[i].rez;j++){
            cin>>x;
            L[x].push_back(i);
            if(F[x]==1){
                v[i].neobtinute--;
                if(v[i].neobtinute==0){
                    c[++h]=i;
                    F1[i]=1;
                }
            }
        }
        for(int j=1;j<=v[i].C;j++){
            cin>>x;
            v[i].y.push_back(x);
        }
    }
    p=1;
    while(p<=h){
        r=c[p];
        for(int i=0;i<v[r].y.size();i++){
            elem=v[r].y[i];
            if(F[elem]==0){
                F[elem]=1;
                for(int j=0;j<L[elem].size();j++){
                    R=L[elem][j];
                    if(F1[R]==0){
                        v[R].neobtinute--;
                        if(v[R].neobtinute==0){
                            c[++h]=R;
                            F1[R]=1;
                        }
                    }
                }
            }
        }
        p++;
    }
    for(int i=1;i<=n;i++){
        if(F[i]==1){
            nr++;
        }
    }
    cout<<nr<<"\n";
    for(int i=1;i<=n;i++){
        if(F[i]==1){
            cout<<i<<" ";
        }
    }
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

alkemija.cpp: In function 'int main()':
alkemija.cpp:45:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i=0;i<v[r].y.size();i++){
                     ~^~~~~~~~~~~~~~
alkemija.cpp:49:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 for(int j=0;j<L[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