Submission #536269

# Submission time Handle Problem Language Result Execution time Memory
536269 2022-03-12T16:53:18 Z michao Secret (JOI14_secret) C++14
0 / 100
514 ms 4512 KB
#include <bits/stdc++.h>
#include "secret.h"
#define mp make_pair
#define pb push_back
#define ld long double
#define pii pair<int,int>
#define sz(x) (int)x.size()
#define piii pair<pii,pii>
#define precise cout<<fixed<<setprecision(10)
#define st first
#define nd second
#define ins insert
#define vi vector<int>
#define BOOST ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0)
using namespace std;
const int MAX=1e3+5;
const int STALA=30;
int pref[MAX][STALA];
int suf[MAX][STALA];
int n;
int a[MAX];
void rec1(int l,int r,int dep){
	if (l>r)return;
	int mid=(l+r)>>1;
	pref[mid][dep]=a[mid];
	suf[mid+1][dep]=a[mid+1];
	for (int i=mid-1;i>=l;i--){
		pref[i][dep]=Secret(a[i],pref[i+1][dep]);
	}
	
	for (int i=mid+2;i<=r;i++){
		suf[i][dep]=Secret(suf[i-1][dep],a[i]);
	}	
	if (l<r){
		rec1(l,mid,dep+1);
		rec1(mid+1,r,dep+1);
	}
}

void Init(int N,int A[]){
	n=N;
	for (int i=0;i<n;i++)a[i]=A[i];
	rec1(0,n-1,0);
}

int rec2(int l,int r,int L,int R,int dep){
	int mid=(l+r)>>1;
	if (L>mid)return rec2(mid+1,r,L,R,dep+1);
	if (R<=mid)return rec2(l,mid,L,R,dep+1);
	return Secret(pref[mid][dep],suf[mid+1][dep]);
}	

int Query(int L,int R){
	if (L==R)return a[L];
	return rec2(0,n-1,L,R,0);
}

# Verdict Execution time Memory Grader output
1 Incorrect 119 ms 2488 KB Wrong Answer: Query(222, 254) - expected : 34031541, actual : 457670148.
2 Incorrect 135 ms 2444 KB Wrong Answer: Query(60, 375) - expected : 669221184, actual : 740274302.
3 Incorrect 138 ms 2480 KB Wrong Answer: Query(211, 401) - expected : 674373968, actual : 476925503.
4 Incorrect 451 ms 4464 KB Wrong Answer: Query(90, 497) - expected : 397934825, actual : 5032441.
5 Incorrect 492 ms 4460 KB Wrong Answer: Query(587, 915) - expected : 752404486, actual : 548143376.
6 Incorrect 514 ms 4512 KB Wrong Answer: Query(738, 741) - expected : 983692994, actual : 847868344.
7 Incorrect 488 ms 4396 KB Wrong Answer: Query(84, 976) - expected : 742463504, actual : 72965804.
8 Incorrect 493 ms 4400 KB Wrong Answer: Query(58, 987) - expected : 20022464, actual : 850512170.
9 Incorrect 489 ms 4508 KB Wrong Answer: Query(33, 967) - expected : 676869696, actual : 726732355.
10 Incorrect 468 ms 4488 KB Wrong Answer: Query(116, 961) - expected : 68487362, actual : 671300398.