Submission #1000307

#	Time	Username	Problem	Language	Result	Execution time	Memory
1000307		sofija6	Money (IZhO17_money)	C++14	100 / 100	645 ms	61908 KiB

money

#include <bits/stdc++.h>
#define ll long long
#define MAXN 1000010
using namespace std;
ll a[MAXN];
set<ll> s;
int main()
{
    ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    ll n,ans=0;
    cin >> n;
    for (ll i=1;i<=n;i++)
        cin >> a[i];
    for (ll i=1;i<=n;i++)
    {
        auto it=s.upper_bound(a[i]);
        ans++;
        ll j=i;
        while (a[i+1]>=a[i] && (it==s.end() || a[i+1]<=(*it)))
            i++;
        while (j<=i)
        {
            s.insert(a[j]);
            j++;
        }
    }
    cout << ans;
    return 0;
}

• Subtask 1: 9 / 9
• Subtask 2: 16 / 16
• Subtask 3: 20 / 20
• Subtask 4: 55 / 55