Submission #873630

#	Time	Username	Problem	Language	Result	Execution time	Memory
873630		MisterReaper	Rabbit Carrot (LMIO19_triusis)	C++17	100 / 100	21 ms	5316 KiB

triusis

//author: Ahmet Alp Orakci
#include <bits/stdc++.h>
using namespace std;
using i64 = long long;

#define ONLINE_JUDGE
void solve() {
    int n, m;
    cin >> n >> m;

    vector <int> vec(n);
    for(int &i : vec)
        cin >> i;

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

    vector <int> dp;
    for(int &i : v) {
        auto it = upper_bound(dp.begin(), dp.end(), i);
        if(it == dp.end())
            dp.emplace_back(i);
        else 
            *it = i;
    }

    cout << n - int(dp.size());
    
    return;
}

signed main() {
    #ifndef ONLINE_JUDGE
        freopen(".in", "r", stdin);
        freopen(".out", "w", stdout);
    #endif

    ios_base::sync_with_stdio(false);
    cin.tie(NULL); cout.tie(NULL);

    int t = 1; //cin >> t;
    for(int i = 1; i <= t; i++) {
        solve();
    }

    return 0;
}

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