Submission #1265940

#	Time	Username	Problem	Language	Result	Execution time	Memory
1265940		canhnam357	Studentsko (COCI14_studentsko)	C++20	100 / 100	1 ms	328 KiB

studentsko

#include <bits/stdc++.h>
using namespace std;
#define all(x) x.begin(), x.end()
int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	int n, k;
	cin >> n >> k;
	vector<int> a(n);
	for (int& i : a) cin >> i;
	vector<int> ord(n);
	iota(all(ord), 0);
	sort(all(ord), [&](int i, int j) {return a[i] < a[j]; });
	for (int i = 0; i < n; i++) a[ord[i]] = i / k;
	set<pair<int, int>> s;
	for (int i = 0; i < n; i++)
	{
		auto it = s.lower_bound(make_pair(a[i], i));
		if (it != s.end()) s.erase(it);
		s.insert(make_pair(a[i], i));
	}
	cout << n - s.size();
	return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10