oj.uz

Submission #989299

# Submission time Handle Problem Language Result Execution time Memory
989299 2024-05-27T22:26:32 Z aaaaaarroz Secret (JOI14_secret) C++17
100 / 100
 282 ms 4440 KB 
#include <bits/stdc++.h>
using namespace std;
int Secret(int l, int r);
vector<vector<int>>dvc;
vector<int>arr;
void dc(int l, int r, int lvl){
	if(l==r){
		dvc[lvl][l]=arr[l];
		return;
	}
	int mid=(l+r)>>1;
	dvc[lvl][mid]=arr[mid];
	for(int i=mid-1;i>=l;i--){
		dvc[lvl][i]=Secret(arr[i],dvc[lvl][i+1]);
	}
	dvc[lvl][mid+1]=arr[mid+1];
	for(int i=mid+2;i<=r;i++){
		dvc[lvl][i]=Secret(dvc[lvl][i-1],arr[i]);
	}
	dc(l,mid,lvl+1);
	dc(mid+1,r,lvl+1);
}
int retorno(int a,int b,int l,int r, int lvl){
	if(a==b){
		return dvc[lvl][l];
	}
	int mid=(a+b)>>1;
	if(r<(mid+1)){
		return retorno(a,mid,l,r,lvl+1);
	}
	else if(l>mid){
		return retorno(mid+1,b,l,r,lvl+1);
	}
	return Secret(dvc[lvl][l],dvc[lvl][r]);
}
void Init(int n, int a[]){ 
    arr.resize(n);
    for(int i=0;i<n;i++){
        arr[i]=a[i];
	}
    dvc.resize(15,vector<int>(n));
	dc(0,n-1,0);
}
int Query(int l,int r){ 
    return retorno(0,arr.size()-1,l,r,0);
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 2384 KB Output is correct - number of calls to Secret by Init = 3578, maximum number of calls to Secret by Query = 1
2 Correct 76 ms 2384 KB Output is correct - number of calls to Secret by Init = 3586, maximum number of calls to Secret by Query = 1
3 Correct 81 ms 2304 KB Output is correct - number of calls to Secret by Init = 3595, maximum number of calls to Secret by Query = 1
4 Correct 282 ms 4440 KB Output is correct - number of calls to Secret by Init = 7969, maximum number of calls to Secret by Query = 1
5 Correct 281 ms 4432 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
6 Correct 278 ms 4280 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
7 Correct 281 ms 4384 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
8 Correct 279 ms 4436 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
9 Correct 271 ms 4356 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
10 Correct 272 ms 4432 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1