#include "secret.h"
#define forr(_a,_b,_c) for(int _a = (_b); _a <= (_c); ++_a)
#define ford(_a,_b,_c) for(int _a = (_b) + 1; _a --> (_c);)
#define forf(_a,_b,_c) for(int _a = (_b); _a < (_c); ++_a)
#define st first
#define nd second
#define ll long long
using namespace std;
const int N = 2e3 + 5;
const ll oo = 1e9;
const ll mod = 1e9 + 7;
int n, f[N][N];
void calc (int l, int r, int a[]){
int mid = (l + r) / 2;
f[mid][mid] = a[mid];
f[mid + 1][mid + 1] = a[mid + 1];
forr (i, mid + 2, r)
f[mid + 1][i] = Secret(a[i], f[mid + 1][i - 1]);
ford (i, mid - 1, l)
f[mid][i] = Secret(a[i], f[mid][i + 1]);
if (l < mid) calc (l, mid, a);
if (mid + 1 < r) calc (mid + 1, r, a);
}
void Init (int u, int a[]){
n = u;
calc (0, n - 1, a);
}
int Query (int u, int v){
int l = 0, r = n - 1;
while (l != r){
int mid = (l + r) / 2;
if (mid >= u && mid < v) return Secret(f[mid][u], f[mid + 1][v]);
if (mid == v) return f[mid][u];
if (mid < u) l = mid + 1;
else r = mid;
}
return f[l][l];
}
/*
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
96 ms |
9804 KB |
Wrong Answer: Query(222, 254) - expected : 34031541, actual : 809782271. |
2 |
Incorrect |
98 ms |
9684 KB |
Wrong Answer: Query(60, 375) - expected : 669221184, actual : 68749376. |
3 |
Incorrect |
95 ms |
9804 KB |
Wrong Answer: Query(211, 401) - expected : 674373968, actual : 136349820. |
4 |
Incorrect |
351 ms |
13848 KB |
Wrong Answer: Query(90, 497) - expected : 397934825, actual : 650789536. |
5 |
Incorrect |
364 ms |
13924 KB |
Wrong Answer: Query(587, 915) - expected : 752404486, actual : 377506838. |
6 |
Incorrect |
380 ms |
13744 KB |
Wrong Answer: Query(738, 741) - expected : 983692994, actual : 61461050. |
7 |
Incorrect |
359 ms |
13912 KB |
Wrong Answer: Query(84, 976) - expected : 742463504, actual : 687550570. |
8 |
Incorrect |
358 ms |
13920 KB |
Wrong Answer: Query(58, 987) - expected : 20022464, actual : 145923264. |
9 |
Incorrect |
359 ms |
13800 KB |
Wrong Answer: Query(33, 967) - expected : 676869696, actual : 18757135. |
10 |
Incorrect |
359 ms |
13916 KB |
Wrong Answer: Query(116, 961) - expected : 68487362, actual : 70590726. |