Submission #1202377

#	Time	Username	Problem	Language	Result	Execution time	Memory
1202377		Warinchai	Rabbit Carrot (LMIO19_triusis)	C++20	100 / 100	16 ms	4032 KiB

triusis

#include<bits/stdc++.h>
#define int long long
using namespace std;
int ans=0;
int inf=1e12;
int ar[200005];
int32_t main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n,m;cin>>n>>m;
    for(int i=1;i<=n;i++)cin>>ar[i];
    vector<int>v;
    for(int i=1;i<=n;i++){
        int val=i*m-ar[i];
        if(val<0)continue;
        int id=upper_bound(v.begin(),v.end(),val)-v.begin();
        if(id>=v.size())v.push_back(val);
        else v[id]=val;
    }
    cout<<n-v.size();
}

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