Submission #442636

#	Time	Username	Problem	Language	Result	Execution time	Memory
442636		s_jaskaran_s	Rabbit Carrot (LMIO19_triusis)	C++17	100 / 100	39 ms	5320 KiB

triusis

#include <bits/stdc++.h>
typedef long long ll;
typedef long double ld;
using namespace std;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n,m;
    cin>>n>>m;
    ll a[n];
    for(int i=0;i<n;i++){
        cin>>a[i];
        a[i]=m*(i+1)-a[i];
    }
    vector<ll> d(n+1,1000000000000000001);
    d[0]=0;
    int ans=0;
    for(int i=0;i<n;i++){
        if(a[i]>=0){
        int j=upper_bound(d.begin(),d.end(),a[i])-d.begin();
        if(d[j-1]<=a[i]&&a[i]<=d[j]){
            d[j]=a[i];
            ans=max(j,ans);
        }
        }
    }
    cout<<n-ans;
}

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