#include<bits/stdc++.h>
#include "secret.h"
using namespace std;
typedef long long ll;
const ll INF=1e18;
const int maxn=1e6+5;
const int mod=1e9+7;
const int mo=998244353;
using pi=pair<ll,ll>;
using vi=vector<ll>;
using pii=pair<pair<ll,ll>,ll>;
#define all(x) x.begin(), x.end()
#define len(x) ll(x.size())
#define eb emplace_back
#define PI 3.14159265359
#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define MIN(v) *min_element(all(v))
#define MAX(v) *max_element(all(v))
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int pre[1005][1005];
int suf[1005][1005];
int n;
int a[1005];
/*
int Secret(int x,int y){
cout<<x<<" "<<y<<"\n";
int k;
cin>>k;
return k;
}
*/
void bu1(int l,int r){
if(r-l+1>=2){
int mid=(l+r)/2;
pre[mid+1][mid+1]=a[mid+1];
for(int i=mid+2;i<=r;i++){
pre[mid+1][i]=Secret(pre[mid+1][i-1],a[i]);
}
suf[mid][mid]=a[mid];
for(int i=mid-1;i>=l;i--){
suf[mid][i]=Secret(a[i],suf[mid][i+1]);
}
}
}
void build(int id,int l,int r){
if(l==r){
pre[l][l]=a[l];
suf[l][l]=a[r];
return;
}
int mid=(l+r)/2;
bu1(l,r);
build(id*2,l,mid);
build(id*2+1,mid+1,r);
}
int que(int id,int l,int r,int u,int v){
int mid=(l+r)/2;
if(u<=mid && v>mid){
return Secret(suf[mid][u],pre[mid+1][v]);
}
else if( v<=mid){
return que(id*2,l,mid,u,v);
}
else{
return que(id*2+1,mid+1,r,u,v);
}
}
int Query(int l,int r){
l++;
r++;
if(l==r)return a[l];
else if(l==r-1)return Secret(a[l],a[r]);
else return que(1,1,n,l,r);
}
void Init(int N,int A[]){
n=N;
for(int i=1;i<=N;i++){
a[i]=A[i-1];
}
build(1,1,N);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
123 ms |
6408 KB |
Output is correct - number of calls to Secret by Init = 3578, maximum number of calls to Secret by Query = 1 |
| 2 |
Correct |
141 ms |
6420 KB |
Output is correct - number of calls to Secret by Init = 3586, maximum number of calls to Secret by Query = 1 |
| 3 |
Correct |
128 ms |
6428 KB |
Output is correct - number of calls to Secret by Init = 3595, maximum number of calls to Secret by Query = 1 |
| 4 |
Correct |
448 ms |
12112 KB |
Output is correct - number of calls to Secret by Init = 7969, maximum number of calls to Secret by Query = 1 |
| 5 |
Correct |
432 ms |
12100 KB |
Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1 |
| 6 |
Correct |
502 ms |
12108 KB |
Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1 |
| 7 |
Correct |
438 ms |
12096 KB |
Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1 |
| 8 |
Correct |
431 ms |
12052 KB |
Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1 |
| 9 |
Correct |
441 ms |
12148 KB |
Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1 |
| 10 |
Correct |
433 ms |
12100 KB |
Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1 |
