Submission #1101880

#	Time	Username	Problem	Language	Result	Execution time	Memory
1101880		0pt1mus23	List of Unique Integers (FXCUP4_unique)	C++17	100 / 100	1 ms	612 KiB

unique

#include "unique.h"
#include <bits/stdc++.h>
using namespace std;
#define ins insert      
#define pb push_back
#define endl '\n'
#define all(x) x.begin(),x.end()
#define _ << " " <<
mt19937 rng(time(0));

const int mod = 1e9 +9,
        sze = 5e3 +23,
        inf = INT_MAX,
        LL = 20;


std::vector<int> PickUnique(int n) {
	vector<int> ans(n,0);
	
	vector<int> pr(n+10,0);
	vector<int> sf(n+10,0);
	sf[0]=UniqueCount(0,n-1);
	for(int i=0;i<n;i++){
		int a=0;
		int b=0;
		int c=0;
		int d=0;
		if(i){
			a = pr[i-1];
		}
		b = UniqueCount(0,i);
		if(i+1<n){
			d = UniqueCount(i+1,n-1);
		}
		c = sf[i];
		if(a<b && c>d){
			ans[i]=1;
		}
		pr[i]=b;
		sf[i+1]=d;
	}

	return ans;
}

• Subtask 1: 100 / 100