Submission #572022

#	Time	Username	Problem	Language	Result	Execution time	Memory
572022		Hanksburger	Money (IZhO17_money)	C++17	100 / 100	935 ms	58060 KiB

money

#include <bits/stdc++.h>
using namespace std;
int a[1000005];
set<int> s;
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n, c=1, d=0;
    cin >> n;
    for (int i=1; i<=n; i++)
        cin >> a[i];
    s.insert(1e9);
    while (c<=n)
    {
        int x=*s.upper_bound(a[c]);
        s.insert(a[c++]);
        while (c<=n && a[c-1]<=a[c] && a[c]<=x)
            s.insert(a[c++]);
        d++;
    }
    cout << d;
    return 0;
}

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