Submission #901895

#	Time	Username	Problem	Language	Result	Execution time	Memory
901895		trMatherz	Secret (JOI14_secret)	C++17	0 / 100	375 ms	8708 KiB

secret

//#include <iostream> //cin, cout
#include "secret.h"
/*
#include <fstream>
std::ifstream cin ("ex.in");
std::ofstream cout ("ex.out");
*/




// includes
#include <cmath> 
#include <set>
#include <map>
#include <queue>
#include <string>
#include <vector>
#include <array>
#include <algorithm>
#include <numeric>
#include <iomanip>
#include <unordered_set>
#include <stack>
#include <ext/pb_ds/assoc_container.hpp>
#include <random>
#include <chrono>



//usings 
using namespace std;
using namespace __gnu_pbds;


// misc
#define ll long long
#define pb push_back
#define pq priority_queue
#define ub upper_bound
#define lb lower_bound
template<typename T, typename U> bool emin(T &a, const U &b){ return b < a ? a = b, true : false; }
template<typename T, typename U> bool emax(T &a, const U &b){ return b > a ? a = b, true : false; }
typedef uint64_t hash_t;

// vectors
#define vi vector<int>
#define vvi vector<vi>
#define vvvi vector<vvi>
#define vpii vector<pair<int, int>>
#define vvpii vector<vector<pair<int, int>>>
#define vppipi vector<pair<int, pair<int, int>>>
#define vl vector<ll>
#define vvl vector<vl>
#define vvvl vector<vvl>
#define vpll vector<pair<ll, ll>>
#define vb vector<bool>
#define vvb vector<vb>
#define vs vector<string>
#define sz(x) (int)x.size()
#define rz resize
#define all(x) x.begin(), x.end()


// pairs
#define pii pair<int, int>
#define pll pair<ll, ll>
#define mp make_pair
#define f first
#define s second

// sets
#define si set<int>
#define sl set<ll>
#define ss set<string>
#define in insert
template <class T> using iset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

// maps
#define mii map<int, int>
#define mll map<ll, ll>

// loops
#define FR(x, z, y) for (int x = z; x < y; x++)
#define FRe(x, z, y) FR(x, z, y + 1)
#define F(x, y) FR(x, 0, y)
#define Fe(x, y) F(x, y + 1)
#define A(x, y) for(auto &x : y)


int n;
vvi v = vvi(1005, vi(1005));


void go(int l, int r, int a[]){
	int m = (l + r) / 2;
	v[m][m] = a[m];
	v[m + 1][m + 1] = a[m + 1];
	for(int i = m + 2; i <= r; i++) v[m + 1][i] = Secret(v[m + 1][i - 1], a[i]);
	for(int i = m - 1; i >= l; i--) v[m][i] = Secret(v[m][i + 1], a[i]);
	if(l < m) go(l, m, a);
	if(r > m + 1) go(m + 1, r, a);
}

void Init(int N, int A[]){
	n = N;
	go(0, n - 1, A);
}

int Query(int L, int R){
	int x = 0, y = n - 1;
	while(x != y){
		int m = (x + y) / 2;
		if(x <= m && m < y) return Secret(v[m][x], v[m + 1][y]);
		else if(R == m) return v[m][x];
		else if(m < L) x = m + 1;
		else y = m;
	}
	return v[x][x];
}

• Subtask 1: 0 / 100