Submission #965314

#	Time	Username	Problem	Language	Result	Execution time	Memory
965314		AtabayRajabli	Rabbit Carrot (LMIO19_triusis)	C++17	100 / 100	23 ms	6108 KiB

triusis

#include <bits/stdc++.h>

// author : a1abay

#define all(v)      v.begin(), v.end()
#define GCD(a, b)   __gcd(a, b)
#define LCM(a, b)   (a*b / (__gcd(a, b)))
#define int         ll

typedef long long           ll;
typedef long double         ld;
const int inf =             1e9 + 7;
const int inff =            (int)1e18 + 7;
const int sz =              2e5 + 5;
using namespace             std;

int n, m;
int a[sz];
vector<int> v;

signed main()   
{       
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    
    cin >> n >> m;
    for(int i = 1; i <= n; i++)
    {
        cin >> a[i];
        a[i] -= i * m;
    }
    for(int i = n; i > 0; i--)
    {
        if(a[i] > 0)continue;
        auto lb = upper_bound(all(v), a[i]);
        if(lb == v.end())v.push_back(a[i]);
        else v[lb - v.begin()] = a[i];
    }
    cout << n - v.size();
}

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