Submission #872971

#	Time	Username	Problem	Language	Result	Execution time	Memory
872971		aeg	Pizza (COCI21_pizza)	C++14	30 / 50	1 ms	536 KiB

Main

#include <bits/stdc++.h>
using namespace std;

#define I insert
#define PB push_back

int main() {
    int n;
    cin >> n;
    vector<int> a(n);
    for(int i=0; i<n; i++) {
        cin >> a[i];
    }
    int m;
    cin>>m;
    set<set<int>> s;
    for(int i=0; i<m; i++) {
        set<int> tmp;
        int temp;
        cin>>temp;
        for(int j=0; j<temp; j++) {
            int a;
            cin >> a;
            tmp.I(a);
        }
        s.I(tmp);
    }
    for(int i=0; i<n; i++) {
        vector<set<int>> toer;
        for(auto x:s) {
            if(x.count(a[i])) toer.PB(x);
        }
        for(int i=0; i<toer.size(); i++) s.erase(s.find(toer[i]));
    }
    cout << s.size() << endl;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:33:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::set<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |         for(int i=0; i<toer.size(); i++) s.erase(s.find(toer[i]));
      |                      ~^~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10