Submission #922290

#	Time	Username	Problem	Language	Result	Execution time	Memory
922290		SuPythony	Advertisement 2 (JOI23_ho_t2)	C++17	10 / 100	448 ms	29360 KiB

Main

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

int main() {
    int n; cin>>n;
    unordered_set<int> s;
    while (n--) {
        int x,e; cin>>x>>e;
        s.insert(x);
    }
    cout<<s.size();
    return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 23
• Subtask 3: 0 / 36
• Subtask 4: 0 / 31