#include "secret.h"
#include <bits/stdc++.h>
int v[1005][1005];
void solve(int l, int r) {
if (l >= r)
return ;
int med = (l + r) / 2;
solve(l, med);
solve(med + 1, r);
for (int i = med - 1; i >= l; --i) {
assert(v[i][i] != -1 && v[i + 1][med] != -1);
v[i][med] = Secret(v[i][i], v[i + 1][med]);
}
for (int i = med + 2; i <= r; ++i) {
v[med + 1][i] = Secret(v[i][i], v[med + 1][i - 1]);
}
}
void Init(int N, int A[]) {
for (int i = 0; i < N; ++i)
for (int j = 0; j < N; ++j)
v[i][j] = -1;
for (int i = 0; i < N; ++i)
v[i][i] = A[i];
solve(0, N - 1);
}
int Query(int L, int R) {
if (L == R)
return v[L][L];
if (R == L + 1)
return Secret(v[L][L], v[R][R]);
for (int k = L; k < R; ++k)
if (v[L][k] != -1 && v[k + 1][R] != -1)
return Secret(v[L][k], v[k + 1][R]);
}
Compilation message
secret.cpp: In function 'int Query(int, int)':
secret.cpp:38:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
166 ms |
4344 KB |
Wrong Answer: Query(222, 254) - expected : 34031541, actual : 809782271. |
2 |
Incorrect |
182 ms |
4468 KB |
Wrong Answer: Query(60, 375) - expected : 669221184, actual : 68749376. |
3 |
Incorrect |
170 ms |
4504 KB |
Wrong Answer: Query(211, 401) - expected : 674373968, actual : 136349820. |
4 |
Incorrect |
615 ms |
8512 KB |
Wrong Answer: Query(90, 497) - expected : 397934825, actual : 650789536. |
5 |
Incorrect |
607 ms |
8512 KB |
Wrong Answer: Query(587, 915) - expected : 752404486, actual : 377506838. |
6 |
Incorrect |
614 ms |
8512 KB |
Wrong Answer: Query(738, 741) - expected : 983692994, actual : 61461050. |
7 |
Incorrect |
633 ms |
8512 KB |
Wrong Answer: Query(84, 976) - expected : 742463504, actual : 687550570. |
8 |
Incorrect |
617 ms |
8512 KB |
Wrong Answer: Query(58, 987) - expected : 20022464, actual : 145923264. |
9 |
Incorrect |
606 ms |
8512 KB |
Wrong Answer: Query(33, 967) - expected : 676869696, actual : 18757135. |
10 |
Incorrect |
603 ms |
8556 KB |
Wrong Answer: Query(116, 961) - expected : 68487362, actual : 70590726. |