# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
1054348 |
2024-08-12T08:59:51 Z |
phong |
Secret (JOI14_secret) |
C++17 |
|
270 ms |
15028 KB |
#include<bits/stdc++.h>
#include "secret.h"
#define ll long long
const int nmax = 1e3+ 5;
using namespace std;
int n, a[nmax];
int L[1 << 11][nmax], R[1 << 11][nmax];
void build(int id, int l, int r){
if(l == r)return;
int mid = r + l >> 1;
L[id][mid] = a[mid];
R[id][mid + 1] = a[mid + 1];
for(int i = mid - 1; i >= l; --i) L[id][i] = Secret(L[id][i + 1], a[i]);
for(int i = mid + 2; i <= r; ++i) R[id][i] = Secret(R[id][i - 1], a[i]);
build(id << 1, l, mid);
build(id << 1| 1, mid + 1, r);
}
int get(int id, int l, int r, int u, int v){
if(l == r) return a[l];
int mid = r + l >> 1;
if(l <= u && v <= r && u <= mid && mid + 1 <= v){
return Secret(L[id][u], R[id][v]);
}
if(mid + 1 > u) return get(id << 1, l, mid, u, v);
if(mid < v) return get(id << 1 | 1, mid + 1, r, u, v);
}
void Init(int NA, int A[]){
n = NA;
for(int i = 1; i <= n; ++i) a[i] = A[i - 1];
build(1, 1, n);
}
int Query(int a, int b){
++a, ++b;
return get(1, 1, n, a, b);
}
Compilation message
secret.cpp: In function 'void build(int, int, int)':
secret.cpp:13:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
13 | int mid = r + l >> 1;
| ~~^~~
secret.cpp: In function 'int get(int, int, int, int, int)':
secret.cpp:23:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
23 | int mid = r + l >> 1;
| ~~^~~
secret.cpp:29:1: warning: control reaches end of non-void function [-Wreturn-type]
29 | }
| ^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
68 ms |
10832 KB |
Wrong Answer: Query(222, 254) - expected : 34031541, actual : 268854015. |
2 |
Incorrect |
70 ms |
10920 KB |
Wrong Answer: Query(60, 375) - expected : 669221184, actual : 311474560. |
3 |
Incorrect |
66 ms |
10924 KB |
Wrong Answer: Query(211, 401) - expected : 674373968, actual : 353554500. |
4 |
Incorrect |
251 ms |
14928 KB |
Wrong Answer: Query(90, 497) - expected : 397934825, actual : 343081568. |
5 |
Incorrect |
254 ms |
14932 KB |
Wrong Answer: Query(587, 915) - expected : 752404486, actual : 957013316. |
6 |
Incorrect |
255 ms |
14932 KB |
Wrong Answer: Query(200, 208) - expected : 277813445, actual : 154975445. |
7 |
Incorrect |
253 ms |
15028 KB |
Wrong Answer: Query(84, 976) - expected : 742463504, actual : 675449873. |
8 |
Incorrect |
259 ms |
14928 KB |
Wrong Answer: Query(58, 987) - expected : 20022464, actual : 273091792. |
9 |
Incorrect |
270 ms |
14932 KB |
Wrong Answer: Query(33, 967) - expected : 676869696, actual : 827853577. |
10 |
Incorrect |
254 ms |
14932 KB |
Wrong Answer: Query(116, 961) - expected : 68487362, actual : 337854787. |