제출 #1329210

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1329210		octlock	Airplane (NOI23_airplane)	C++20	0 / 100	33 ms	8260 KiB

Main

#include <bits/stdc++.h>
#define ll long long
const int N = 1e6+5;
const ll mod = 998244353;
using namespace std;
int n,k;
vector<ll> a(N);
void solve()
{
    cin >> n >> k;
    ll op = 0;
    ll ko = 0;
    deque<ll> st;
    for (int i=1;i<=n;i++)
    {
        cin >> a[i];
        while (!st.empty())
        {
            if (st.back() <= a[i])
            {
                st.pop_back();
            }else
            {
                break;
            }
        }
        st.push_back(a[i]);
    }
    for (int i=1;i<=k;i++)
    {
        int l,r;
        cin >> l >> r;
    }
    for (int i=2;i<=n;i++)
    {
        if (a[i] > ko)
        {
            op += a[i]-ko-1;
            ko = a[i];
        }
    }
    cout << op+n-1+st.front()-((int)st.size()-1) << '\n';
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);cout.tie(NULL);
    solve();
}

• Subtask 1: 0 / 22
• Subtask 2: 0 / 10
• Subtask 3: 0 / 31
• Subtask 4: 0 / 37