Submission #1311868

#	Time	Username	Problem	Language	Result	Execution time	Memory
1311868		vtnoo	Advertisement 2 (JOI23_ho_t2)	C++20	10 / 100	214 ms	29468 KiB

Main

#include <bits/stdc++.h>
#define L(i, j, k) for(int i = (j); i <= (k); i++)
#define R(i, j, k) for(int i = (j); i >= (k); i--)
#define ll long long
#define sz(a) ((int) a.size())
#define all(a) a.begin(), a.end()
#define vi vector<ll>
#define pb emplace_back
#define me(a, x) memset(a, x, sizeof(a))
#define fst first
#define snd second
#define ii pair<ll, ll>
using namespace std;
int main(){
	ios::sync_with_stdio(false); 
	cin.tie(nullptr);
	int n;cin>>n;
	vi x(n),e(n);
	L(i,0,n-1)cin>>x[i]>>e[i];
	set<int>s;
	L(i,0,n-1){
		s.insert(x[i]);
	}
	cout<<sz(s);
}

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