Submission #937304

#	Time	Username	Problem	Language	Result	Execution time	Memory
937304		uped	Rabbit Carrot (LMIO19_triusis)	C++14	100 / 100	60 ms	5928 KiB

triusis

#include <bits/stdc++.h>

#define DEBUG(x) cout << #x << ": " << x << '\n';

using namespace std;
using ll = long long;

int main() {
    ll n, m;
    cin >> n >> m;
    vector<ll> v(n + 1);
    v[0] = 0;
    for (int i = 1; i <= n; ++i) {
        ll x;
        cin >> x;
        v[i] = i * m - x;
    }

    vector<ll> dp;
    dp.push_back(0);
    for (int i = 1; i <= n; ++i) {
        auto it = upper_bound(dp.begin(), dp.end(), v[i]);
        if (it == dp.end()) {
            dp.push_back(v[i]);
        } else {
            int pos = it - dp.begin();
            if (pos == 0) continue; 
            dp[pos] = v[i];
        }
    }
    cout << n + 1 - dp.size();
}

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