Submission #836933

#	Time	Username	Problem	Language	Result	Execution time	Memory
836933		groshi	Money (IZhO17_money)	C++17	100 / 100	858 ms	61936 KiB

money

#include<bits/stdc++.h>
#define int long long
using namespace std;
int t[2000000];
int32_t main()
{
    cin.tie(0);
    cout.tie(0);
    ios_base::sync_with_stdio(0);
    int n;
    cin>>n;
    for(int i=1;i<=n;i++)
        cin>>t[i];
    set<int> secik;
    int wynik=0;
    auto it=secik.end();
    for(int i=2;i<=n+1;i++)
    {
        secik.insert(t[i-1]);
        if(t[i]<t[i-1] || (it!=secik.end() && (*it)<t[i]))
            wynik++,it=secik.upper_bound(t[i]);
    }
    cout<<wynik;
    return 0;
}

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