Submission #321621

#	Time	Username	Problem	Language	Result	Execution time	Memory
321621		bigg	Secret (JOI14_secret)	C++14	0 / 100	496 ms	4588 KiB

secret

#include "secret.h"
#include<bits/stdc++.h>
using namespace std;
const int MAXN = 1010;
int tot, maxa;
int qual[MAXN][15];
int a[MAXN];
int n;
void recur(int l, int r, int altura){

	if(l >= r || l == r-1) return;
	int mid = (l + r)/2;
	qual[mid][altura] = a[mid];
	qual[mid+1][altura] = a[mid+1];
	for(int i = mid - 1; i >= l; i--)qual[i][altura] = Secret(a[i], qual[i+1][altura]);
	for(int i = mid + 2; i <= r; i++)qual[i][altura] = Secret(a[i], qual[i-1][altura]);
	recur(l, mid-1, altura + 1);
	recur(mid + 1, r, altura + 1);
}
int makeans(int x, int y, int L, int R, int altura){
	int mid = (x+y)/2;
	if(R < mid) return makeans(x, mid - 1, L, R, altura + 1);
	if(L > mid) return(makeans(mid + 1, y, L, R, altura + 1));

	return Secret(qual[L][altura], qual[R][altura]);
}

void Init(int N, int A[]) {
	n = N;
  	for(int i = 1; i <= N; i++) a[i] = A[i-1];
	recur(1, n, 0);
	//printf("%d %d\n", tot, maxa);
}

int Query(int L, int R) {
	L++;
	R++;
	if(L==R) return a[L];
	if( L == R-1) return Secret(a[L], a[R]);
	return makeans(1,n,L,R,0);
  return 0;
}

• Subtask 1: 0 / 100