oj.uz

Submission #729954

# Submission time Handle Problem Language Result Execution time Memory
729954 2023-04-24T22:52:24 Z jampm Secret (JOI14_secret) C++17
100 / 100
 503 ms 4380 KB 
#include "secret.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long int;

int const Mxn = 1e3 + 1;
int const LOGN = 13;


ll ST[LOGN][Mxn];
ll A[Mxn];
int n;

void build(int L = 0, int R = n - 1, int depth = 0) {
  if (L == R) return;
  int Mid = (L + R)>>1;
  for (int i = Mid + 1; i <= R; i++) {
    ST[depth][i] = (i == Mid + 1) ? A[i] : Secret(ST[depth][i - 1], A[i]);
  }
  for (int i = Mid; i >= L; i--) {
    ST[depth][i] = (i == Mid) ? A[i] : Secret(A[i], ST[depth][i + 1]);
  }
  build(L, Mid, depth + 1), build(Mid + 1, R, depth + 1);
}
ll query(int l, int r, int L = 0, int R = n - 1, int depth = 0) {
  if (L == R) return A[L];
  int Mid = (L + R)>>1;
  if (l <= Mid && Mid < r) return Secret(ST[depth][l], ST[depth][r]);
  if (r <= Mid) return query(l, r, L, Mid, depth + 1);
  else return query(l, r, Mid + 1, R, depth + 1);
}

void Init(int N, int a[]) {
  for (int i = 0; i < N; i++) A[i] = a[i];
  n = N; build();
}

int Query(int L, int R) {
  return query(L, R);
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 125 ms 2424 KB Output is correct - number of calls to Secret by Init = 3578, maximum number of calls to Secret by Query = 1
2 Correct 129 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 133 ms 2508 KB Output is correct - number of calls to Secret by Init = 3595, maximum number of calls to Secret by Query = 1
4 Correct 449 ms 4320 KB Output is correct - number of calls to Secret by Init = 7969, maximum number of calls to Secret by Query = 1
5 Correct 462 ms 4380 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
6 Correct 465 ms 4368 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
7 Correct 471 ms 4256 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
8 Correct 480 ms 4360 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
9 Correct 480 ms 4260 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
10 Correct 503 ms 4308 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1