Submission #1088105

#	Time	Username	Problem	Language	Result	Execution time	Memory
1088105		ssitaram	Rabbit Carrot (LMIO19_triusis)	C++17	100 / 100	22 ms	3928 KiB

triusis

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

int main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	int n, m; cin >> n >> m;
	vector<int> a(n);
	for (int i = 0; i < n; ++i) {
		int v; cin >> v;
		a[i] = v - m * (i + 1);
	}
	reverse(a.begin(), a.end());
	vector<int> d(n + 1, INT32_MAX);
	d[0] = INT32_MIN;
	for (int i = 0; i < n; ++i) {
		if (a[i] > 0) continue;
		int l = upper_bound(d.begin(), d.end(), a[i]) - d.begin();
		d[l] = a[i];
	}
	cout << n - (lower_bound(d.begin(), d.end(), INT32_MAX) - d.begin() - 1) << '\n';
	return 0;
}

• Subtask 1: 14 / 14
• Subtask 2: 21 / 21
• Subtask 3: 28 / 28
• Subtask 4: 37 / 37