Submission #1335471

#	Time	Username	Problem	Language	Result	Execution time	Memory
1335471		whally	Rabbit Carrot (LMIO19_triusis)	C++20	100 / 100	18 ms	1884 KiB

triusis

#include <bits/stdc++.h>
using namespace std;
#define int long long
int lis[200010];

signed main()
{
	cin.tie(0)->sync_with_stdio(0);
	int n,m; cin >> n >> m;
	int mx = 0;
	for (int i = 1; i <= n; i++){
		int x; cin >> x;
		if (m*i < x) continue;
		x = m*i-x;
		int idx = upper_bound(lis, lis+mx, x) - lis;
		if (idx == mx) mx++;
		lis[idx] = x;	
	}
	cout << n-mx;

	return 0;
}

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