#pragma GCC optimize("O2")
#include "secret.h"
#include <bits/stdc++.h>
#ifdef DEBUG
#include "debug.hpp"
#endif
using namespace std;
#define all(c) (c).begin(), (c).end()
#define traverse(c, it) for(auto it = (c).begin(); it != (c).end(); it++)
#define rep(i, N) for(int i = 0; i < (N); i++)
#define rep1(i, N) for(int i = 1; i <= (N); i++)
#define rep2(i, s, e) for(int i = (s); i <= (e); i++)
#define rep3(i, s, e, d) for(int i = (s); (d) >= 0 ? i <= (e) : i >= (e); i += (d))
#define pb push_back
#ifdef DEBUG
#define debug(x...) {dbg::depth++; string dbg_vals = dbg::to_string(x); dbg::depth--; dbg::fprint(__func__, __LINE__, #x, dbg_vals);}
#define light_debug(x) {dbg::light = 1; dbg::dout << __func__ << ":" << __LINE__ << " " << #x << " = " << x << endl; dbg::light = 0;}
#else
#define debug(x...)
#define light_debug(x)
#endif
template<typename T>
T& ckmin(T& a, T b){ return a = a > b ? b : a; }
template<typename T>
T& ckmax(T& a, T b){ return a = a < b ? b : a; }
using ll = long long;
using pii = pair<int, int>;
using vi = vector<int>;
vi A;
int ans[1000][1001];
void build(int l, int r){
if(l == r) return;
if(r - l <= 1) return void(ans[l][r] = A[l]);
int m = (l + r) >> 1;
build(l, m);
build(m, r);
ans[m][m + 1] = A[m];
ans[m - 1][m] = A[m - 1];
rep2(i, m + 2, r)
ans[m][i] = Secret(ans[m][i - 1], A[i - 1]);
rep3(i, m - 2, l, -1)
ans[i][m] = Secret(A[i], ans[i + 1][m]);
}
int qry(int l, int r, int L, int R){
int m = (l + r) >> 1;
if(m < L) return qry(m, r, L, R);
if(m > R) return qry(l, m, L, R);
if(m == L || m == R) return ans[L][R];
return Secret(ans[L][m], ans[m][R]);
}
void Init(int N, int B[]){
A.resize(N);
rep(i, N) A[i] = B[i];
build(0, N);
}
int Query(int L, int R){
return qry(0, A.size(), L, R + 1);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
150 ms |
4600 KB |
Output is correct - number of calls to Secret by Init = 3578, maximum number of calls to Secret by Query = 1 |
2 |
Correct |
148 ms |
4472 KB |
Output is correct - number of calls to Secret by Init = 3586, maximum number of calls to Secret by Query = 1 |
3 |
Correct |
148 ms |
4472 KB |
Output is correct - number of calls to Secret by Init = 3595, maximum number of calls to Secret by Query = 1 |
4 |
Correct |
524 ms |
8440 KB |
Output is correct - number of calls to Secret by Init = 7969, maximum number of calls to Secret by Query = 1 |
5 |
Correct |
541 ms |
8312 KB |
Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1 |
6 |
Correct |
519 ms |
8312 KB |
Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1 |
7 |
Correct |
532 ms |
8340 KB |
Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1 |
8 |
Correct |
537 ms |
8356 KB |
Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1 |
9 |
Correct |
522 ms |
8312 KB |
Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1 |
10 |
Correct |
528 ms |
8392 KB |
Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1 |