Submission #798718

#	Time	Username	Problem	Language	Result	Execution time	Memory
798718		tlnk07	Osumnjičeni (COCI21_osumnjiceni)	C++17	0 / 110	1085 ms	1956 KiB

Main

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

long long n, q, x, y, cnt = 0;
pair<int, int> a[200001];
bool check[200001]; 

int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);	cout.tie(NULL);
	cin >> n;
	for(int i = 1; i <= n; ++i)	cin >> a[i].first >> a[i].second;
	sort(a + 1, a + n + 1);
	cin >> q;
	while(q--)
	{
		cin >> x >> y;
		for(int i = x; i <= y; ++i)
		{
			if(check[i])	continue;
			pair<int, int> temp = a[i];
			for(int j = i + 1; j <= y; ++j)
			{
				if(a[j].first > temp.second)
				{
					temp = a[j];
					check[j] = true;
				}
			}
			++cnt;
		}
		cout << cnt << "\n";
	}
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 50