#include "secret.h"
#include <iostream>
#include <complex>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <numeric>
#include <cstring>
#include <ctime>
#include <cstdlib>
#include <set>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <list>
#include <cmath>
#include <bitset>
#include <cassert>
#include <queue>
#include <stack>
#include <deque>
#include <random>
using namespace std;
template<typename T1, typename T2>inline void chkmin(T1 &x, T2 y) { if (x > y) x = y; }
template<typename T1, typename T2>inline void chkmax(T1 &x, T2 y) { if (x < y) x = y; }
#define sz(c) (int)(c).size()
#define all(c) (c).begin(), (c).end()
#define rall(c) (c).rbegin(), (c).rend()
#define left left224
#define right right224
#define next next224
#define rank rank224
#define prev prev224
#define y1 y1224
#define read(FILENAME) freopen((FILENAME + ".in").c_str(), "r", stdin)
#define write(FILENAME) freopen((FILENAME + ".out").c_str(), "w", stdout)
#define files(FILENAME) read(FILENAME), write(FILENAME)
#define pb push_back
#define mp make_pair
const int MAXN = 1003;
int n;
int val[MAXN][10];
int val1[MAXN][10];
void Init(int N, int A[]) {
n = N;
for (int i = 1; i <= n; i++) {
val[i][0] = A[i - 1];
val1[i][0] = A[i - 1];
}
for (int k = 1; k <= 9; k++) {
for (int i = 1; i <= n; i++) {
int f = i % (1 << k);
if (i == 1 || f == 0) {
val[i][k] = val[i][0];
continue;
}
// if ((i % (1 << (k - 1))) == (1 << (k - 1)) - 1) {
// val[i][k] = val1[max(1, i - (1 << (k - 1)) + 1)][k - 1];
// continue;
// }
if (i - f == i - i % (1 << (k - 1))) {
val[i][k] = val[i][k - 1];
} else {
val[i][k] = Secret(val[i - 1][k], val[i][0]);
}
}
for (int i = n; i >= 1; i--) {
if (i % (1 << k) == 0) {
val1[i][k] = val[min(n, i + (1 << k) - 1)][k];
continue;
}
if (i == n || (i % (1 << k)) == (1 << k) - 1) {
val1[i][k] = val1[i][0];
continue;
}
int g = i % (1 << k);
int ft = (1 << k) - g - 1;
int g1 = i % (1 << (k - 1));
int ft1 = (1 << (k - 1)) - g1 - 1;
int h = i + ft;
int h1 = i + ft1;
if (h == h1) {
val1[i][k] = val1[i][k - 1];
} else {
val1[i][k] = Secret(val1[i][0], val1[i + 1][k]);
}
}
}
}
int Query(int L, int R) {
int l = L;
int r = R;
l++;
r++;
int f = 0;
int g;
bool was = false;
for (g = 1; g <= 512; g *= 2) {
int pos = -1;
for (int i = l; i <= r; i++) {
if (i % g == 0) {
pos = i;
break;
}
}
if (pos != -1 && pos + g > r && pos - 1 - g < l) {
was = true;
break;
}
f++;
}
assert(was);
//cout << l << ' ' << r << ' ' << g << endl;
if (l % g == 0) {
return val[r][f];
}
return Secret(val1[l][f], val[r][f]);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
177 ms |
2552 KB |
Output is correct - number of calls to Secret by Init = 4096, maximum number of calls to Secret by Query = 1 |
2 |
Correct |
179 ms |
2524 KB |
Output is correct - number of calls to Secret by Init = 4096, maximum number of calls to Secret by Query = 1 |
3 |
Correct |
178 ms |
2424 KB |
Output is correct - number of calls to Secret by Init = 4097, maximum number of calls to Secret by Query = 1 |
4 |
Correct |
610 ms |
4336 KB |
Output is correct - number of calls to Secret by Init = 7997, maximum number of calls to Secret by Query = 1 |
5 |
Incorrect |
610 ms |
4568 KB |
Output isn't correct - number of calls to Secret by Init = 8004, maximum number of calls to Secret by Query = 1 |
6 |
Incorrect |
598 ms |
4560 KB |
Output isn't correct - number of calls to Secret by Init = 8004, maximum number of calls to Secret by Query = 1 |
7 |
Incorrect |
631 ms |
4340 KB |
Output isn't correct - number of calls to Secret by Init = 8004, maximum number of calls to Secret by Query = 1 |
8 |
Incorrect |
628 ms |
4540 KB |
Output isn't correct - number of calls to Secret by Init = 8004, maximum number of calls to Secret by Query = 1 |
9 |
Incorrect |
627 ms |
4472 KB |
Output isn't correct - number of calls to Secret by Init = 8004, maximum number of calls to Secret by Query = 1 |
10 |
Incorrect |
629 ms |
4344 KB |
Output isn't correct - number of calls to Secret by Init = 8004, maximum number of calls to Secret by Query = 1 |