Submission #149033

#	Time	Username	Problem	Language	Result	Execution time	Memory
149033		dragoon (#200)	List of Unique Integers (FXCUP4_unique)	C++17	100 / 100	6 ms	512 KiB

unique

#include "unique.h"
#include<vector>
#include<stdio.h>
using namespace std;

std::vector<int> PickUnique(int N) {
	vector<int> V(N), pre(N + 2), suf(N + 2);
	for (int i = 0; i < N; i++) {
		pre[i] = UniqueCount(0, i);
		suf[i] = UniqueCount(i, N - 1);
	}
	for (int i = 0; i < N; i++) {
		int p = (i ? pre[i - 1] : 0);
		int s = (i == N - 1 ? 0 : suf[i + 1]);
		//printf("%d %d %d %d\n", pre[i], p, suf[i], s);
		V[i] = ((pre[i] - 1 == p) && (suf[i] - 1 == s)) ? 1 : 0;
	}
	return V;
}

• Subtask 1: 100 / 100