Submission #89746

#	Time	Username	Problem	Language	Result	Execution time	Memory
89746		RAkhshon	Money (IZhO17_money)	C++14	45 / 100	1573 ms	62172 KiB

money

#include <bits/stdc++.h>
#define ll long long
#define INF  998244353
using namespace std;
ll a[1011011];
set< ll > st;
int main()
{
ios_base::sync_with_stdio(0);
ll n;
cin>>n;
for(ll i = 1; i<= n; i ++ ){
    cin>>a[i];
}
ll ans = 0, i;
st.insert(1000000000);
st.insert(0);
for(  i = 1; i <= n; i ++ ){
    ans++;
    st.insert(a[i]);
    auto x = st.upper_bound(a[i]);
    while( i < n && a[i]<=a[i+1] && a[i+1]<=*x ){
        st.insert(a[i+1]);
        i++;
    }
}
cout<<ans;
return 0;
}

• Subtask 1: 9 / 9
• Subtask 2: 16 / 16
• Subtask 3: 20 / 20
• Subtask 4: 0 / 55