#include "secret.h"
#include<bits/stdc++.h>
using namespace std;
vector<int> centers;
vector<int> start, finish;
int val[2002][2002];
int a[2002];
int num=0;
//int Secret(int l,int r){return 0;}
void DC(int L,int R) {
if (L>R) return;
else {
int mid = (L+R)/2;
centers.push_back(mid);
start.push_back(L);
finish.push_back(R);
val[mid][mid]=a[mid];
for (int i=mid-1;i>=L;i--) val[i][mid] = Secret(a[i], val[i+1][mid]);
val[mid+1][mid+1]=a[mid];
for (int i=mid+2;i<=R;i++) val[mid+1][i] = Secret(val[mid+1][i-1], a[i]);
DC(L, mid-1);
DC(mid+1,R);
}
}
void Init(int N, int A[]) {
for (int i=0;i<N;i++) a[i] = A[i];
DC(0, N-1);
}
int Query(int L, int R) {
for (int i=0;i<centers.size();i++) {
if (start[i]<=L && finish[i]>=R && centers[i]<=R && centers[i]>=L) {
if (L==centers[i]+1 || R==centers[i]) return val[L][R];
return Secret(val[L][centers[i]], val[centers[i]+1][R]);
}
}
}
Compilation message
secret.cpp: In function 'int Query(int, int)':
secret.cpp:32:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
32 | for (int i=0;i<centers.size();i++) {
| ~^~~~~~~~~~~~~~~
secret.cpp:38:1: warning: control reaches end of non-void function [-Wreturn-type]
38 | }
| ^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
132 ms |
4600 KB |
Wrong Answer: Query(222, 254) - expected : 34031541, actual : 570506607. |
2 |
Incorrect |
133 ms |
4600 KB |
Wrong Answer: Query(60, 375) - expected : 669221184, actual : 552147169. |
3 |
Incorrect |
135 ms |
4864 KB |
Wrong Answer: Query(211, 401) - expected : 674373968, actual : 486861108. |
4 |
Incorrect |
494 ms |
9044 KB |
Wrong Answer: Query(90, 497) - expected : 397934825, actual : 600440873. |
5 |
Incorrect |
499 ms |
8952 KB |
Wrong Answer: Query(587, 915) - expected : 752404486, actual : 711464990. |
6 |
Incorrect |
497 ms |
8968 KB |
Wrong Answer: Query(915, 915) - expected : 282904741, actual : 579799611. |
7 |
Incorrect |
498 ms |
9080 KB |
Wrong Answer: Query(84, 976) - expected : 742463504, actual : 743153696. |
8 |
Incorrect |
494 ms |
8952 KB |
Wrong Answer: Query(58, 987) - expected : 20022464, actual : 421960072. |
9 |
Incorrect |
494 ms |
8956 KB |
Wrong Answer: Query(33, 967) - expected : 676869696, actual : 433988643. |
10 |
Incorrect |
494 ms |
9080 KB |
Wrong Answer: Query(116, 961) - expected : 68487362, actual : 876144393. |