#include <bits/stdc++.h>
#include "secret.h"
#define mid (l+r)/2
using namespace std;
#define MAXN 1010
int n, a[MAXN], d[MAXN][MAXN];
void init(int l, int r) {
if(l >= r) return;
for(int i = 0; i < n; i++) d[i][i] = a[i];
for(int i = mid+1; i <= r; i++) d[mid][i] = Secret(d[mid][i-1], a[i]);
for(int i = mid-2; i >= l; i--) d[i][mid-1] = Secret(a[i], d[i+1][mid-1]);
init(l, mid-1); init(mid+1, r);
}
void Init(int N, int A[]) {
n = N;
for(int i = 1; i <= n; i++) a[i] = A[i-1];
init(1, N);
}
int query(int l, int r, int L, int R) {
if(L <= mid && mid <= R) {
if(L < mid) return Secret(d[L][mid-1],d[mid][R]);
else return d[mid][R];
}
if(mid < L) return query(mid+1, r, L, R);
if(R < mid) return query(l, mid-1, L, R);
}
int Query(int L, int R) {
L++; R++;
if(L == R) return a[L];
if(L+1 == R) return Secret(a[L], a[R]);
return query(1, n, L, R);
}
Compilation message
secret.cpp: In function 'int query(int, int, int, int)':
secret.cpp:26:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
174 ms |
4344 KB |
Output is correct - number of calls to Secret by Init = 3331, maximum number of calls to Secret by Query = 1 |
2 |
Correct |
194 ms |
4580 KB |
Output is correct - number of calls to Secret by Init = 3340, maximum number of calls to Secret by Query = 1 |
3 |
Correct |
193 ms |
4604 KB |
Output is correct - number of calls to Secret by Init = 3349, maximum number of calls to Secret by Query = 1 |
4 |
Correct |
611 ms |
8392 KB |
Output is correct - number of calls to Secret by Init = 7491, maximum number of calls to Secret by Query = 1 |
5 |
Correct |
632 ms |
8392 KB |
Output is correct - number of calls to Secret by Init = 7499, maximum number of calls to Secret by Query = 1 |
6 |
Correct |
629 ms |
8448 KB |
Output is correct - number of calls to Secret by Init = 7499, maximum number of calls to Secret by Query = 1 |
7 |
Correct |
606 ms |
8448 KB |
Output is correct - number of calls to Secret by Init = 7499, maximum number of calls to Secret by Query = 1 |
8 |
Correct |
613 ms |
8460 KB |
Output is correct - number of calls to Secret by Init = 7499, maximum number of calls to Secret by Query = 1 |
9 |
Correct |
633 ms |
8460 KB |
Output is correct - number of calls to Secret by Init = 7499, maximum number of calls to Secret by Query = 1 |
10 |
Correct |
617 ms |
8624 KB |
Output is correct - number of calls to Secret by Init = 7499, maximum number of calls to Secret by Query = 1 |