제출 #331608

#제출 시각아이디문제언어결과실행 시간메모리
331608limabeansMoney (IZhO17_money)C++17
100 / 100
1346 ms58220 KiB
#include <bits/stdc++.h>
using namespace std;

template<typename T>
void out(T x) { cout << x << endl; exit(0); }
#define watch(x) cout << (#x) << " is " << (x) << endl





using ll = long long;


const int maxn = 1e6 + 5;




int n;
int a[maxn];

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

    cin>>n;
    for (int i=0; i<n; i++) {
	cin>>a[i];
    }

    set<int> st;
    st.insert(1e9);
    st.insert(a[0]);
    int ub = 1e9;

    int res = 1;
    
    for (int i=1; i<n; i++) {
	if (a[i-1]>a[i] || a[i]>ub) {
	    res++;
	    ub = *st.upper_bound(a[i]);
	}
	st.insert(a[i]);
    }

    cout<<res<<endl;  
    return 0;
}
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