Submission #492192

#	Time	Username	Problem	Language	Result	Execution time	Memory
492192		White	Money (IZhO17_money)	C++14	100 / 100	1107 ms	57900 KiB

money

#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")
#include <bits/stdc++.h>
#define endl '\n'
using namespace std;

int num[1000001];
set<int>a;

int main (){

    //ios_base::sync_with_stdio(false);
    //cin.tie(NULL);

    int n,br=0;
    cin>>n;
    for(int i=1;i<=n;i++)cin>>num[i];
    a.insert(0);a.insert(1000002);

    for(int i=1;i<=n;){
        int j=0;
        //cout<<"daw"<<endl;
        set<int>::iterator it = a.upper_bound(num[i]);
        int go;
        go=*it;
        //cout<<go<<endl;
        a.insert(num[i]);
        br++;
        i++;
        while(i<=n && num[i-1]<=num[i] && num[i]<=go){
            j++;
            a.insert(num[i]);
            i++;
        }
    }
    cout<<br<<endl;

return 0;
}

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