Submission #229245

#TimeUsernameProblemLanguageResultExecution timeMemory
229245534351List of Unique Integers (FXCUP4_unique)C++17
100 / 100
5 ms512 KiB
#include "unique.h"
#include <bits/stdc++.h>

using namespace std;

template<class T, class U>
void ckmin(T &a, U b)
{
    if (a > b) a = b;
}

template<class T, class U>
void ckmax(T &a, U b)
{
    if (a < b) a = b;
}

#define MP make_pair
#define PB push_back
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
#define SZ(x) ((int) (x).size())
#define ALL(x) (x).begin(), (x).end()
#define FOR(i, a, b) for (auto i = (a); i < (b); i++)
#define FORD(i, a, b) for (auto i = (a) - 1; i >= (b); i--)

typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pii> vpi;
typedef vector<pll> vpl;

int N;
vi ans, pref, suf;

vi PickUnique(int n)
{
	N = n; ans.resize(N);
    pref.resize(N); suf.resize(N);
    FOR(i, 0, N)
    {
        pref[i] = UniqueCount(0, i);
        suf[i] = UniqueCount(i, N - 1);
    }
    FOR(i, 0, N)
    {
        ans[i] = 1;
        if (i != 0 && pref[i - 1] >= pref[i]) ans[i] = 0;
        if (i != N - 1 && suf[i + 1] >= suf[i]) ans[i] = 0;
        // cerr << ans[i] << ' ';
    }
    // cerr << endl;
    return ans;
}
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