Submission #1229083

#	Time	Username	Problem	Language	Result	Execution time	Memory
1229083		shiovn	Rabbit Carrot (LMIO19_triusis)	C++20	100 / 100	17 ms	3112 KiB

triusis

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define fi first
#define se second
#define pi pair

const long long N=2e5+5;
int a[N],b[N];
vector<int> res;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int n,m;
    cin>>n>>m;

    for(int i=1;i<=n;i++) cin>>a[i];

    int tmp=0;

    for(int i=1;i<=n;i++)
    {
        if(a[i]<=m*i)
        {
            b[tmp++]=m*i-a[i];
        }
    }

    for(int i=0;i<tmp;i++)
    {
        auto it=upper_bound(res.begin(),res.end(),b[i]);
        if(it==res.end()) res.push_back(b[i]);
        else *it= b[i];
    }

    cout<<n-res.size();

}

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