Submission #1313356

#TimeUsernameProblemLanguageResultExecution timeMemory
1313356thieunguyenhuypopa (BOI18_popa)C++20
61 / 100
92 ms480 KiB
#ifndef hwe
	#include "popa.h"
#endif

#include <bits/stdc++.h>
using namespace std;

#define POPCOUNT(n) (__builtin_popcountll((n)))
#define CLZ(n) (__builtin_clzll((n)))
#define CTZ(n) (__builtin_ctzll((n)))
#define LOG(n) (63 - __builtin_clzll((n)))
#define BIT(n, i) (((n) >> (i)) & 1ll)
#define MASK(i) (1ll << (i))
#define FLIP(n, i) ((n) ^ (1ll << (i)))
#define ON(n, i) ((n) | MASK(i))
#define OFF(n, i) ((n) & ~MASK(i))

#define Int __int128
#define fi first
#define se second

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<long long, long long> pll;
typedef pair<long long, int> pli;
typedef pair<int, long long> pil;
typedef vector<pair<int, int>> vii;
typedef vector<pair<long long, long long>> vll;
typedef vector<pair<long long, int>> vli;
typedef vector<pair<int, long long>> vil;

template <class T1, class T2> bool maximize(T1 &x, T2 y) {
	if (x < y) {
		x = y;
		return true;
	}
	return false;
}
template <class T1, class T2> bool minimize(T1 &x, T2 y) {
	if (x > y) {
		x = y;
		return true;
	}
	return false;
}

template <class T> void remove_duplicate(vector<T> &ve) {
	sort (ve.begin(), ve.end());
	ve.resize(unique(ve.begin(), ve.end()) - ve.begin());
}

mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
long long random(long long l, long long r) {
	return uniform_int_distribution<long long>(l, r)(rng);
}
template <class T> T random(T r) {
	return rng() % r;
}

const int N = 1000 + 5;
const int MOD = 1e9 + 7;
const int inf = 1e9;
const long long INF = 1e18;

int L[N], R[N];

int dnc(int l, int r) {
	if (l > r) return -1;

	if (l == r) {
		L[l] = R[l] = -1;
		return l;
	}

	int low = l, high = r - 1, root = r;
	while (low <= high) {
		int mid = (low + high) >> 1;
		if (query(l, mid, l, r)) high = (root = mid) - 1;
		else low = mid + 1;
	}

	L[root] = dnc(l, root - 1);
	R[root] = dnc(root + 1, r);
	return root;
}

int solve(int n, int *Left, int *Right) {
	int root = dnc(0, n - 1);
	for (int i = 0; i < n; ++i) Left[i] = L[i], Right[i] = R[i];
	return root;
}

#ifdef hwe
signed main() {
	ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);



	return 0;
}
#endif
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