Submission #1259477

#	Time	Username	Problem	Language	Result	Execution time	Memory
1259477		vk3601h	Rabbit Carrot (LMIO19_triusis)	C++20	100 / 100	68 ms	10432 KiB

triusis

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

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

    int N, M;
    cin >> N >> M;

    vector<int> may_not_modify;
    for (int i = 1; i <= N; ++i){
        int curr_height;
        cin >> curr_height;
        if (curr_height <= M * i) may_not_modify.push_back(M * i - curr_height);
    }

    multiset<int> s;
    for (int h : may_not_modify){
        auto it = s.upper_bound(h);
        if (it != s.end()) s.erase(it);
        s.insert(h);
    }

    cout << N - (int)s.size();
    return 0;
}

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