Submission #133307

#	Time	Username	Problem	Language	Result	Execution time	Memory
133307		egorlifar	Secret (JOI14_secret)	C++17	0 / 100	600 ms	4600 KiB

secret

#include "secret.h"
#include <iostream>
#include <complex>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <numeric>
#include <cstring>
#include <ctime>
#include <cstdlib>
#include <set>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <list>
#include <cmath>
#include <bitset>
#include <cassert>
#include <queue>
#include <stack>
#include <deque>
#include <random>

using namespace std;
template<typename T1, typename T2>inline void chkmin(T1 &x, T2 y) { if (x > y) x = y; }
template<typename T1, typename T2>inline void chkmax(T1 &x, T2 y) { if (x < y) x = y; }
#define sz(c) (int)(c).size()
#define all(c) (c).begin(), (c).end()
#define rall(c) (c).rbegin(), (c).rend()
#define left left224
#define right right224
#define next next224
#define rank rank224
#define prev prev224
#define y1 y1224
#define read(FILENAME) freopen((FILENAME + ".in").c_str(), "r", stdin)
#define write(FILENAME) freopen((FILENAME + ".out").c_str(), "w", stdout)
#define files(FILENAME) read(FILENAME), write(FILENAME)
#define pb push_back
#define mp make_pair
const int MAXN = 1001;


int n;
int val[MAXN][10];
int val1[MAXN][10];


void Init(int N, int A[]) {
	n = N;
	for (int i = 0; i < n; i++) {
		val[i][0] = A[i];
		val1[i][0] = A[i];
	}
	for (int k = 1; k <= 9; k++) {
		for (int i = 0; i < n; i++) {
			int f = i % (1 << k);
			if (i - f == i - i % (1 << (k - 1))) {
				val[i][k] = val[i][k - 1];
			} else {
				val[i][k] = Secret(val[i - 1][k], val[i][0]);
			}
		}
		for (int i = n - 1; i >= 0; i--) {
			if (i == n - 1) {
				val1[i][k] = val1[i][0];
				continue;
			}
			int g = i % (1 << k);
			int ft = (1 << k) - g - 1;
			int g1 = i % (1 << (k - 1));
			int ft1 = (1 << (k - 1)) - g1 - 1;
			int h = i + ft;
			int h1 = i + ft1;
			if (h == h1) {
				val1[i][k] = val1[i][k - 1];
			} else {
				val1[i][k] = Secret(val1[i][0], val1[i + 1][k]);
			}
		}
	}
}


int Query(int L, int R) {
	int l = L;
	int r = R;
	int g = 1;
	int f = 0;
	while (g * 2 <= r - l + 1) {
		g <<= 1;
		f++;
	}
	if (l % g == 0) {
		return val[r][f];
	}
	return Secret(val1[l][f], val[r][f]);
}

• Subtask 1: 0 / 100