oj.uz

Submission #25258

# Submission time Handle Problem Language Result Execution time Memory
25258 2017-06-21T05:03:51 Z tlwpdus Secret (JOI14_secret) C++14
100 / 100
 626 ms 6256 KB 
#include "secret.h"
#include <bits/stdc++.h>

using namespace std;

int n;
int arr[1100];

struct node {
    vector<int> l, r;
};

struct idxtree {
    node tree[2100];
    void init(int s, int e, int idx) {
        if (s==e) {
            tree[idx].l.push_back(arr[s]);
            tree[idx].r.push_back(arr[s]);
            return;
        }
        int i, m = (s+e)>>1;
        init(s,m,idx*2);
        init(m+1,e,idx*2+1);
        if (idx==1) return;
        for (i=s;i<=m;i++) tree[idx].l.push_back(tree[idx*2].l[i-s]);
        for (i=m+1;i<=e;i++) tree[idx].l.push_back(Secret(tree[idx].l.back(),arr[i]));
        for (i=e;i>m;i--) tree[idx].r.push_back(tree[idx*2+1].r[e-i]);
        for (i=m;i>s;i--) tree[idx].r.push_back(Secret(arr[i],tree[idx].r.back()));
        tree[idx].r.push_back(tree[idx].l.back());
    }
    int getv(int s, int e, int idx, int S, int E) {
        int m = (s+e)>>1;
        if (s==e) return arr[s];
        if (E<=m) return getv(s,m,idx*2,S,E);
        else if (m+1<=S) return getv(m+1,e,idx*2+1,S,E);
        else return Secret(tree[idx*2].r[m-S],tree[idx*2+1].l[E-m-1]);
    }
} it;

void Init(int N, int A[]) {
    n = N;
    int i;
    for (i=0;i<n;i++) arr[i]=A[i];
    it.init(0,n-1,1);
}

int Query(int L, int R) {
    return it.getv(0,n-1,1,L,R);
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 193 ms 6256 KB Output is correct - number of calls to Secret by Init = 3578, maximum number of calls to Secret by Query = 1
2 Correct 173 ms 6256 KB Output is correct - number of calls to Secret by Init = 3586, maximum number of calls to Secret by Query = 1
3 Correct 169 ms 6256 KB Output is correct - number of calls to Secret by Init = 3595, maximum number of calls to Secret by Query = 1
4 Correct 603 ms 6256 KB Output is correct - number of calls to Secret by Init = 7969, maximum number of calls to Secret by Query = 1
5 Correct 603 ms 6256 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
6 Correct 613 ms 6256 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
7 Correct 593 ms 6256 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
8 Correct 626 ms 6256 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
9 Correct 609 ms 6256 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
10 Correct 616 ms 6256 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1