Submission #758237

#	Time	Username	Problem	Language	Result	Execution time	Memory
758237		vjudge1	Money (IZhO17_money)	C++14	0 / 100	1 ms	212 KiB

money

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define int long long
#define endl '\n'
using namespace std;
using namespace __gnu_pbds;
using ordered_set = tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update>;
signed main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    ordered_set st;
    int n;
    cin>>n;
    int arr[n];
    for(int i=0;i<n;i++)cin>>arr[i];
    int ans=1,mn=arr[0];
    st.insert(arr[0]);
    for(int i=1;i<n;i++){
        if(arr[i]<arr[i-1]){
            mn=arr[i];
            st.insert(mn);
            ans++;
            continue;
        }
        int it=st.order_of_key(mn+(arr[i]!=mn));
        int itt=st.order_of_key(arr[i]);
        // cout<<i<<' '<<mn<<' '<<it<<' '<<itt<<' ';
        if(it==itt){
            mn=arr[i];
            st.insert(arr[i]);
        }else{
            mn=arr[i];
            st.insert(arr[i]);
            ans++;
        }
    }
    cout<<ans;
}

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