#include "secret.h"
#include <bits/stdc++.h>
using namespace std;
int n;
int a[1005];
int val[1005][1005];
vector<int> v[1005];
int maxid = 0;
// 4: 0 1 2 3
void rek(int l, int r, int d) {
maxid = max(maxid, d);
if (l+1 == r) {
v[d].push_back(l);
val[l][l] = a[l];
return;
}
int mid = (l+r)/2;
int tren = a[mid-1];
for (int j = mid-2; j >= l; j--) {
tren = Secret(tren, a[j]);
val[j][mid-1] = tren;
}
tren = a[mid];
for (int j = mid+1; j < r; j++) {
tren = Secret(tren, a[j]);
val[mid][j] = tren;
}
v[d].push_back(mid);
rek(l, mid, d+1);
rek(mid, r, d+1);
}
void Init(int N, int A[]) {
n = N;
for (int i = 0; i < n; i++) a[i] = A[i];
rek(0, n, 0);
}
int Query(int l, int r) {
for (int i = 0; i <= maxid; i++) {
for (int j = 0; j < v[i].size(); j++) {
if (l <= v[i][j] && v[i][j] <= r) {
return Secret(val[l][val[i][j]-1], val[v[i][j]][r]);
}
}
}
}
Compilation message
secret.cpp: In function 'int Query(int, int)':
secret.cpp:46:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
46 | for (int j = 0; j < v[i].size(); j++) {
| ~~^~~~~~~~~~~~~
secret.cpp:52:1: warning: control reaches end of non-void function [-Wreturn-type]
52 | }
| ^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
122 ms |
8796 KB |
Execution killed with signal 11 |
2 |
Runtime error |
126 ms |
8800 KB |
Execution killed with signal 11 |
3 |
Runtime error |
127 ms |
8960 KB |
Execution killed with signal 11 |
4 |
Incorrect |
440 ms |
8332 KB |
Wrong Answer: Query(90, 497) - expected : 397934825, actual : 611025428. |
5 |
Runtime error |
472 ms |
16652 KB |
Execution killed with signal 11 |
6 |
Incorrect |
472 ms |
8332 KB |
Wrong Answer: Query(915, 915) - expected : 282904741, actual : 278446241. |
7 |
Runtime error |
501 ms |
16640 KB |
Execution killed with signal 11 |
8 |
Runtime error |
475 ms |
16628 KB |
Execution killed with signal 11 |
9 |
Runtime error |
467 ms |
16596 KB |
Execution killed with signal 11 |
10 |
Runtime error |
488 ms |
16536 KB |
Execution killed with signal 11 |