Submission #1281750

#	Time	Username	Problem	Language	Result	Execution time	Memory
1281750		AbdullahIshfaq	Advertisement 2 (JOI23_ho_t2)	C++20	100 / 100	129 ms	8400 KiB

Main

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define MOD 998244353
void solve()
{
	ll n, x, y, mn = 0, ans = 0;
	cin >> n;
	vector<pair<ll, ll>> a(n);
	for (int i = 0; i < n; i++)
	{
		cin >> x >> y;
		a[i] = {x - y, -x - y};
	}
	sort(a.begin(), a.end());
	for (int i = 0; i < n; i++)
	{
		if (a[i].second < mn)
		{
			mn = a[i].second;
			ans++;
		}
	}
	cout << ans << '\n';
}
int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int tests = 1;
	// cin >> tests;
	for (int i = 1; i <= tests; i++)
	{
		// cout << "Case #" << i << ": ";
		solve();
	}
	return 0;
}

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