Submission #526546

#	Time	Username	Problem	Language	Result	Execution time	Memory
526546		Mr_Husanboy	Money (IZhO17_money)	C++14	100 / 100	991 ms	51604 KiB

money

// Muallif: Mansuraliyev Husanboy Murotali o'g'li  >> NamPS
 
#include<bits/stdc++.h>
 
using namespace std;
#define ll long long
#define ios ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
#define all(a) a.begin(), a.end()
#define F first
#define S second
// 0-9 >> 48-57;    A-Z>>65-90   and   a-z>>97-122 respectively;	

 
 
void solve(){
	int n; cin>>n;
	int a[n];
	for(int i=0;i<n;i++) cin>>a[i];
	 set<int> st;
	st.insert(a[0]); int ans=1;
	int mx=1e9;
	for(int i=1;i<n;i++){
		if(a[i]<a[i-1]||a[i]>mx){
			ans++;
			auto k=st.lower_bound(a[i]+1);
			if(k==st.end()){
				mx=1e9;
			}else mx=*k;
		}
		st.insert(a[i]);
	}
	cout<<ans<<"\n";
}
 
 
int main(){
	ios; 
	//int t=1;   cin>>t; while(t--)
	solve();
}

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