Submission #1193451

#	Time	Username	Problem	Language	Result	Execution time	Memory
1193451		PakinDioxide	Rabbit Carrot (LMIO19_triusis)	C++17	100 / 100	53 ms	1472 KiB

triusis

#include <bits/stdc++.h>
#define ll long long

using namespace std;

int main() {
    int n, k;
    cin >> n >> k;
    vector <int> d;
    d.emplace_back(0);
    for (int i = 1; i <= n; i++) {
        int e; cin >> e; e -= i*k; e = -e;
        int idx = upper_bound(d.begin(), d.end(), e) - d.begin();
        if (idx == (int) d.size()) d.emplace_back(e);
        else if (idx != 0) d[idx] = e;
    }
    cout << n + 1 - (int) d.size() << '\n';
}

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