Submission #1304652

#	Time	Username	Problem	Language	Result	Execution time	Memory
1304652		joeyao67	Rabbit Carrot (LMIO19_triusis)	C++20	0 / 100	1 ms	572 KiB

triusis

#include <bits/stdc++.h>
using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int N;
    long long M;
    cin >> N >> M;

    vector<long long> dp;
    dp.reserve(N);

    for (int i = 1; i <= N; i++) {
        long long a;
        cin >> a;
        long long b = a - i * M;

        int l = 0, r = (int)dp.size();
        while (l < r) {
            int mid = (l + r) / 2;
            if (dp[mid] < b) r = mid;
            else l = mid + 1;
        }

        if (l == (int)dp.size()) dp.push_back(b);
        else dp[l] = b;
    }

    cout << N - (int)dp.size() << "\n";
    return 0;
}

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