Submission #859691

#	Time	Username	Problem	Language	Result	Execution time	Memory
859691		iskhakkutbilim	Secret (JOI14_secret)	C++17	0 / 100	637 ms	8304 KiB

secret

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

const int mod = 1e9;

//int Secret(int a, int b){
//	return min(a / 2 + b, mod);
//}

int range[1000][1000];
vector<int> a;
int n, ask;
void rec(int l, int r){
	if(l > r) return;
	if(l == r){
		range[l][r] = a[l];
		return;
	}
	if(r-l == 1){
		range[l][r] = Secret(a[l], a[l + 1]);
		ask++;
		return;
	}
	int mid = (l + r) >> 1;
	int oper = a[mid + 1];
	range[mid + 1][mid + 1] = oper;
	for(int i = mid+2; i <= r; i++){
		oper = Secret(oper, a[i]);
		range[mid + 1][i] = oper;
	}
	oper = a[mid];
	range[mid][mid] = oper;
	for(int i = mid; i >= l; i--){
		if(i != mid) oper = Secret(oper, a[i]);
		for(int j = mid + 1; j <= r; j++){
			range[i][j] = Secret(oper, range[mid + 1][j]);
		}
	}
	rec(l, mid);
	rec(mid + 1, r);
}

void Init(int N, int A[]){
//	Secret(0, 1000000000);
	cin >> N;
	n = N;
	for(int i = 0;i < N; i++) a.push_back(A[i]);
	rec(0, n-1);
//	cout << "Number of calling Secret is " << ask << '\n';
}

int Query(int l, int r){
	return range[l][r];
}

• Subtask 1: 0 / 100