Submission #1221230

#	Time	Username	Problem	Language	Result	Execution time	Memory
1221230		lxphong	Rabbit Carrot (LMIO19_triusis)	C++20	100 / 100	18 ms	6588 KiB

triusis

#include <bits/stdc++.h>
#define io ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0)
#define int long long
using namespace std;

int f(const vector<int>& s) {
    vector<int> m;
    for (int x : s) {
        int p = upper_bound(m.begin(), m.end(), x) - m.begin();
        if (p == (int)m.size()) m.push_back(x);
        else m[p] = x;
    }
    return m.size();
}

signed main() {
    io;
    int n, m;
    cin >> n >> m;
    vector<int> a(n);
    for (int i = 1; i <= n; ++i) cin >> a[i - 1];

    vector<int> b;
    for (int i = 1; i <= n; ++i) {
        int v = i * m - a[i - 1];
        if (v >= 0) b.push_back(v);
    }

    cout << n - f(b);
}

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