Submission #839409

#	Time	Username	Problem	Language	Result	Execution time	Memory
839409		Mathandski	Rabbit Carrot (LMIO19_triusis)	C++17	0 / 100	1 ms	300 KiB

triusis

#include <bits/stdc++.h> 
using namespace std;
#define pb push_back 
#define is insert
#define ll long long
#define V vector
#define MS multiset
#define PL pair<ll, ll>
#define F first
#define S second
#define PQ priority_queue
#define f0r(i, begin, end) for (ll i = begin; i < end; i ++) 
#define For(i, end, begin) for (ll i = end; i > begin; i --) 
#define all(x) x.begin(), x.end()
#define INF 1000000000000000000
#define inf 1000000000
#define MOD 998244353
#define len(x) (ll)x.size()
#define fileread(file) ifstream fin; fin.open((string)file + ".in"); ofstream fout; fout.open((string)file + ".out")
#define fastio ios_base::sync_with_stdio(0LL); cin.tie(nullptr)
template<typename T> istream& operator>>(istream& in, V<T>& a) {for(auto &x : a) in >> x; return in;};
template<typename T> ostream& operator<<(ostream& out, V<T>& a) {for(auto &x : a) out << x << ' '; return out;};

ll N, M;
V<ll> heights;

int main () {
	cin >> N >> M;
	f0r (i, 1, N + 1) {
		ll a; cin >> a;
		heights.pb(-a + i * M);
	}
	
	V<ll> dp;
	f0r (i, 0, N) {
		ll num = heights[i];
		if (num < 0) continue;
		else if (dp.empty()) dp.pb(num);
		else if (num >= dp[len(dp) - 1]) dp.pb(num);
		else {
			ll pos = lower_bound(all(dp), num) - dp.begin();
			dp[pos] = num;
		}
	}
	cout << N - len(dp) << endl;
}

• Subtask 1: 0 / 14
• Subtask 2: 0 / 21
• Subtask 3: 0 / 28
• Subtask 4: 0 / 37