Submission #1194325

#	Time	Username	Problem	Language	Result	Execution time	Memory
1194325		marcus06	Rabbit Carrot (LMIO19_triusis)	C++20	100 / 100	17 ms	2244 KiB

triusis

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

#ifdef LOCAL
#include </home/marcus06/mycp/Library/debug.h>
#else
#define debug(...) 
#endif

void solve() {
    int N, M;
    cin >> N >> M;

    vector <int> A(N);
    for (int i = 0; i < N; ++i) {
        cin >> A[i];
        A[i] = (i + 1) * M - A[i];
    }

    vector <int> lis = {0};
    for (int i = 0; i < N; ++i) {
        if (A[i] < 0) continue;
        auto it = upper_bound(lis.begin(), lis.end(), A[i]);
        if (it == lis.end()) {
            lis.push_back(A[i]);
        } else {
            *it = A[i];
        }
    }

    cout << N - int(lis.size()) + 1 << '\n';
}

int main() {
    std::cin.tie(0)->sync_with_stdio(0);
#ifdef LOCAL
    auto begin = std::chrono::high_resolution_clock::now();
#endif

    int tt = 1;
    while (tt--) {
        solve();
    }

#ifdef LOCAL
    auto end = std::chrono::high_resolution_clock::now();
    auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
    std::cerr << "Time measured: " << elapsed.count() * 1e-9 << " seconds.\n";
#endif
    return 0;
}

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