oj.uz

Submission #1086708

# Submission time Handle Problem Language Result Execution time Memory
1086708 2024-09-11T09:45:10 Z LeonidCuk Secret (JOI14_secret) C++17
100 / 100
 315 ms 4524 KB 
#include <bits/stdc++.h>
#include "secret.h"
using namespace std;
vector<int>v,dp[20];
int n;
void daq(int i,int l,int r)
{
    if(l==r)
    {
        dp[i][l]=v[l];
        return;
    }
    int m=(l+r)/2;
    dp[i][m]=v[m];
    for(int j=m-1;j>=l;j--)
    {
        dp[i][j]=Secret(v[j],dp[i][j+1]);
    }
    dp[i][m+1]=v[m+1];
    for(int j=m+2;j<=r;j++)
    {
        dp[i][j]=Secret(dp[i][j-1],v[j]);
    }
    daq(i+1,l,m);
    daq(i+1,m+1,r);
}
int najdi(int i,int l,int r,int tl,int tr)
{
    if(tl==tr)
    {
        return v[l];
    }
    int m=(tl+tr)/2;
    if(l<=m&&m<r)
    {
        return Secret(dp[i][l],dp[i][r]);
    }
    else if(r<=m)
    {
        return najdi(i+1,l,r,tl,m);
    }
    else
    {
        return najdi(i+1,l,r,m+1,tr);
    }
}
void Init(int N,int A[])
{
    n=N;
    for(int i=0;i<N;i++)
    {
        v.push_back(A[i]);
    }
    for(int i=0;i<20;i++)
    {
        dp[i].resize(N);
    }
    daq(0,0,N-1);
}
int Query(int l,int r)
{
      return najdi(0,l,r,0,n-1);
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 84 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 85 ms 2604 KB Output is correct - number of calls to Secret by Init = 3586, maximum number of calls to Secret by Query = 1
3 Correct 84 ms 2632 KB Output is correct - number of calls to Secret by Init = 3595, maximum number of calls to Secret by Query = 1
4 Correct 310 ms 4432 KB Output is correct - number of calls to Secret by Init = 7969, maximum number of calls to Secret by Query = 1
5 Correct 315 ms 4524 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
6 Correct 310 ms 4432 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
7 Correct 307 ms 4432 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
8 Correct 311 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 315 ms 4432 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
10 Correct 308 ms 4356 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1