Submission #1166842

#	Time	Username	Problem	Language	Result	Execution time	Memory
1166842		Choco	Rabbit Carrot (LMIO19_triusis)	C++20	100 / 100	17 ms	6632 KiB

triusis

#include<bits/stdc++.h>
using namespace std;
#define Study ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define ll long long
#define ull unsigned long long
#define pb push_back
#define ff first 
#define ss second
#define ins insert
#define all(x) x.begin(),x.end()
#define fori(x,y,z) for(ll x=y;x<=z;x++)
const ll INF=1e18;
const ll sz=5e4+10;
const ll mod=1e9+7;
void work(){
    ll n,m;
    cin>>n>>m;
    vector<ll>v(n+10,0);
    fori(i,1,n){
        cin>>v[i];
    }
    vector<ll>maxleft;
    fori(i,1,n){
        if(i*m>=v[i]){
            maxleft.pb(i*m-v[i]);
        }
    }
    vector<ll>wedontchange;
    for(auto x : maxleft){
        ll cr=(upper_bound(all(wedontchange),x))-wedontchange.begin();
        if(cr==wedontchange.size())
        wedontchange.pb(x);
        else
        wedontchange[cr]=x;
    }
    cout<<n-wedontchange.size()<<endl;
}
int main(){
    Study;
    ll t=1;
    //cin>>t;
    while(t--){
        work();
    }
}

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