Submission #970250

#	Time	Username	Problem	Language	Result	Execution time	Memory
970250		vjudge1	Rabbit Carrot (LMIO19_triusis)	C++17	100 / 100	61 ms	5064 KiB

triusis

#include<bits/stdc++.h>

using namespace std;

int main()
{
    int m,n,a[200001],b[200001];
    cin>>n>>m;
    for(int i=1;i<=n;++i)
    {
        cin>>a[i];
        b[i] = -(a[i] - m*i);
    }
    a[0] = 0;
    b[0] = 0;
    vector<int> v;
    for(int i=1;i<=n;++i)
    {
        if(b[i]<0) continue;
        else
        {
            auto it = upper_bound(v.begin(),v.end(),b[i]);
            if(v.empty() || it==v.end()) v.push_back(b[i]);
            else
            {
                *it = b[i];
            }
        }
    }
    cout<<n-v.size();
}

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