oj.uz

Submission #481737

# Submission time Handle Problem Language Result Execution time Memory
481737 2021-10-21T14:05:28 Z jk410 Secret (JOI14_secret) C++17
100 / 100
 432 ms 8192 KB 
#include "secret.h"
int N;
int A[1000],Ans[1000][1000];
void init_tree(int s,int e){
    if (s==e)
        return;
    int m=(s+e)>>1;
    Ans[m][m]=A[m];
    Ans[m+1][m+1]=A[m+1];
    for (int i=m-1; i>=s; i--)
        Ans[i][m]=Secret(A[i],Ans[i+1][m]);
    for (int i=m+2; i<=e; i++)
        Ans[m+1][i]=Secret(Ans[m+1][i-1],A[i]);
    init_tree(s,m);
    init_tree(m+1,e);
}
void Init(int n,int a[]){
    N=n;
    for (int i=0; i<N; i++)
        A[i]=a[i];
    init_tree(0,N-1);
}
int query_tree(int s,int e,int l,int r){
    int m=(s+e)>>1;
    if (l>m)
        return query_tree(m+1,e,l,r);
    if (r<=m)
        return query_tree(s,m,l,r);
    return Secret(Ans[l][m],Ans[m+1][r]);
}
int Query(int l,int r){
    if (l==r)
        return A[l];
    return query_tree(0,N-1,l,r);
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 121 ms 4292 KB Output is correct - number of calls to Secret by Init = 3578, maximum number of calls to Secret by Query = 1
2 Correct 120 ms 4344 KB Output is correct - number of calls to Secret by Init = 3586, maximum number of calls to Secret by Query = 1
3 Correct 122 ms 4344 KB Output is correct - number of calls to Secret by Init = 3595, maximum number of calls to Secret by Query = 1
4 Correct 419 ms 8108 KB Output is correct - number of calls to Secret by Init = 7969, maximum number of calls to Secret by Query = 1
5 Correct 422 ms 8168 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
6 Correct 431 ms 8120 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
7 Correct 423 ms 8076 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
8 Correct 428 ms 8136 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
9 Correct 432 ms 8192 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
10 Correct 426 ms 8108 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1