#include "secret.h"
#include <bits/stdc++.h>
using namespace std;
template<class T, int SZ> struct RangeQuery {
int n;
T stor[SZ][31-__builtin_clz(SZ)], id = 1;
vector<T> a;
T comb(T a, T b) { return Secret(a, b); }
void fill(int l, int r, int ind) {
if (ind < 0) return;
int m = (l + r) >> 1;
T pre = stor[m-1][ind] = a[m-1];
for (int i = m-2; i >= l; i--) stor[i][ind] = pre = comb(a[i], pre);
pre = stor[m][ind] = a[m];
for (int i = m+1; i < r; i++) stor[i][ind] = pre = comb(pre, a[i]);
fill(l, m, ind-1); fill(m, r, ind-1);
}
void init() {
n = 1; while ((1<<n) < a.size()) n++;
a.resize(1<<n); fill(0, 1<<n, n-1);
}
T query(int l, int r) {
if (l == r) return a[l];
int t = 31-__builtin_clz(r^l);
return comb(stor[l][t], stor[r][t]);
}
};
RangeQuery<int, (1<<10)> rq;
void Init(int N, int A[]) {
rq.a.resize(N);
for (int i = 0; i < N; i++) {
rq.a[i] = A[i];
}
rq.init();
}
int Query(int L, int R) {
return rq.query(L, R);
}
Compilation message
secret.cpp: In instantiation of 'void RangeQuery<T, SZ>::init() [with T = int; int SZ = 1024]':
secret.cpp:36:10: required from here
secret.cpp:20:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
20 | n = 1; while ((1<<n) < a.size()) n++;
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
143 ms |
2380 KB |
Output is correct - number of calls to Secret by Init = 3586, maximum number of calls to Secret by Query = 1 |
| 2 |
Correct |
140 ms |
2392 KB |
Output is correct - number of calls to Secret by Init = 3586, maximum number of calls to Secret by Query = 1 |
| 3 |
Partially correct |
141 ms |
2380 KB |
Output isn't correct - number of calls to Secret by Init = 8194, maximum number of calls to Secret by Query = 1 |
| 4 |
Partially correct |
502 ms |
4400 KB |
Output isn't correct - number of calls to Secret by Init = 8194, maximum number of calls to Secret by Query = 1 |
| 5 |
Partially correct |
516 ms |
4328 KB |
Output isn't correct - number of calls to Secret by Init = 8194, maximum number of calls to Secret by Query = 1 |
| 6 |
Partially correct |
502 ms |
4340 KB |
Output isn't correct - number of calls to Secret by Init = 8194, maximum number of calls to Secret by Query = 1 |
| 7 |
Partially correct |
498 ms |
4292 KB |
Output isn't correct - number of calls to Secret by Init = 8194, maximum number of calls to Secret by Query = 1 |
| 8 |
Partially correct |
500 ms |
4284 KB |
Output isn't correct - number of calls to Secret by Init = 8194, maximum number of calls to Secret by Query = 1 |
| 9 |
Partially correct |
499 ms |
4460 KB |
Output isn't correct - number of calls to Secret by Init = 8194, maximum number of calls to Secret by Query = 1 |
| 10 |
Partially correct |
559 ms |
4396 KB |
Output isn't correct - number of calls to Secret by Init = 8194, maximum number of calls to Secret by Query = 1 |
