Submission #1199100

#	Time	Username	Problem	Language	Result	Execution time	Memory
1199100		iamhereforfun	Global Warming (CEOI18_glo)	C++20	0 / 100	24 ms	4680 KiB

glo

// IamHereForFun //

#include <bits/stdc++.h>

using namespace std;

#define LSOne(S) ((S) & -(S))

const int N = 2e5 + 5;
const int M = 513;
const int K = 4;
const int LG = 20;
const long long INF = -1e18;
const int MOD = 1e9 + 7;
const int B = 50;

int n, d; 
multiset<int> st;

void solve()
{
    cin >> n >> d;
    for(int x = 0; x < n; x++)
    {
        int i; cin >> i;
        i -= x;
        auto it1 = st.lower_bound(i - d);
        auto it2 = st.upper_bound(i + d);
        if(it2 == st.end())
        {
            st.insert(i + d);
        }
        else
        {
            st.erase(it2);
        }
        if(it1 != st.end())
        {
            st.insert(*it1);
        }
    }
    cout << st.size();
}

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int t = 1;
    // cin >> t;
    for (int x = 1; x <= t; x++)
    {
        solve();
    }
    return 0;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 13
• Subtask 4: 0 / 10
• Subtask 5: 0 / 20
• Subtask 6: 0 / 17
• Subtask 7: 0 / 25