Submission #1323204

#	Time	Username	Problem	Language	Result	Execution time	Memory
1323204		yadav_nikhil1430	Rabbit Carrot (LMIO19_triusis)	C++20	100 / 100	65 ms	4128 KiB

triusis

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

signed main() {
    ll n,m;
    cin>>n>>m;
    vector<ll> a(n);
    for(int i=0;i<n;i++) {
        cin>>a[i];
        a[i]-=i*m;
        a[i]=-a[i];
    }
    vector<ll> lis(1,-m);
    for(auto&x:a) {
        if(lis.size()==0 || lis.back()<=x)
            lis.emplace_back(x);
        else {
            auto it = upper_bound(lis.begin(),lis.end(),x);
            if(*it==-m) continue;
            *it = x;
        }
    }
    cout<<n+1-lis.size();
    
    return 0;
}

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