제출 #379601

#제출 시각아이디문제언어결과실행 시간메모리
379601Andrei_CotorMoney (IZhO17_money)C++11
100 / 100
1223 ms58288 KiB
#include<iostream>
#include<set>

using namespace std;

int A[1000005];
set<int> S;       //chiar daca exista A[i]=A[j], nu ma incurca daca updatez doar la finalul unei secvente, altfel ma incurcau cele egale din secvente diferite (pt ca zicea ca e ok sa rupa secveta si practic sa nu mai ramana secventa)

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

    int n;
    cin>>n;

    for(int i=1; i<=n; i++)
        cin>>A[i];

    int rez=0;
    for(int i=1; i<=n; i++)
    {
        rez++;
        set<int>::iterator it=S.upper_bound(A[i]); //limita superioara a numerelor din secventa la care pot ajunge fara a rupe secventa

        int ind=i;
        while(ind<n && A[ind]<=A[ind+1])
        {
            if(it!=S.end() && A[ind+1]>(*it))
                break;

            ind++;
        }

        for(int j=i; j<=ind; j++)
            S.insert(A[j]);

        i=ind;
    }

    cout<<rez<<"\n";
    return 0;
}

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