Submission #1129863

#	Time	Username	Problem	Language	Result	Execution time	Memory
1129863		eirinayukari	Rabbit Carrot (LMIO19_triusis)	C++20	100 / 100	27 ms	5052 KiB

triusis

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

#define int long long
#define FOR(i, l, r) for(int i = (l); i <= (r); i++)
#define FOD(i, r, l) for(int i = (r); i >= (l); i--)
#define fi first
#define se second
const int maxn = 1e6 + 10;
const int mod  = 1e9 + 7;

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    int n, m;
    vector<int> a;
    cin >> n >> m;
    FOR(i, 1, n)
    {
        int x;
        cin >> x;
        if(i * m - x >= 0)
            a.push_back(i * m - x);
    }
    vector<int> b;
    for(auto x : a)
    {
        int p = upper_bound(b.begin(), b.end(), x) - b.begin();
        if(p == b.size())
            b.push_back(x);
        else
            b[p] = x;
    }
    cout << n - b.size();
}

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