#include <bits/stdc++.h>
using namespace std;
const int md = 1e9 + 7;
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
int n;
cin >> n;
vector<int> a(n);
for (int i = 0; i < n; i++) {
cin >> a[i];
}
vector<int> b(n);
for (int i = 0; i < n; i++) {
cin >> b[i];
}
int res = 0;
for (int mask = 0; mask < (1 << n); mask++) {
vector<int> f;
for (int i = 0; i < n; i++) {
if (mask >> i & 1) {
f.push_back(a[i]);
} else {
f.push_back(b[i]);
}
}
vector<int> L(n);
for (int i = 0; i < n; i++) {
L[i] = max(i == 0 ? 0 : L[i - 1], f[i]);
}
vector<int> R(n);
for (int i = n - 1; i >= 0; i--) {
R[i] = max(i == n - 1 ? 0 : R[i + 1], f[i]);
}
for (int i = 1; i + 1 < n; i++) {
res += max(0, min(L[i - 1], R[i + 1]) - f[i]);
res %= md;
}
}
cout << res << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
268 ms |
348 KB |
Output is correct |
12 |
Correct |
8 ms |
344 KB |
Output is correct |
13 |
Correct |
315 ms |
428 KB |
Output is correct |
14 |
Correct |
10 ms |
344 KB |
Output is correct |
15 |
Correct |
259 ms |
428 KB |
Output is correct |
16 |
Correct |
282 ms |
596 KB |
Output is correct |
17 |
Correct |
284 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
19 |
Correct |
2 ms |
348 KB |
Output is correct |
20 |
Correct |
33 ms |
344 KB |
Output is correct |
21 |
Correct |
325 ms |
344 KB |
Output is correct |
22 |
Correct |
138 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
452 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
456 KB |
Output is correct |
10 |
Correct |
0 ms |
404 KB |
Output is correct |
11 |
Correct |
261 ms |
432 KB |
Output is correct |
12 |
Correct |
9 ms |
348 KB |
Output is correct |
13 |
Correct |
293 ms |
344 KB |
Output is correct |
14 |
Correct |
1 ms |
344 KB |
Output is correct |
15 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
16 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
452 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
456 KB |
Output is correct |
10 |
Correct |
0 ms |
404 KB |
Output is correct |
11 |
Correct |
261 ms |
432 KB |
Output is correct |
12 |
Correct |
9 ms |
348 KB |
Output is correct |
13 |
Correct |
293 ms |
344 KB |
Output is correct |
14 |
Correct |
1 ms |
344 KB |
Output is correct |
15 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
16 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
268 ms |
348 KB |
Output is correct |
12 |
Correct |
8 ms |
344 KB |
Output is correct |
13 |
Correct |
315 ms |
428 KB |
Output is correct |
14 |
Correct |
10 ms |
344 KB |
Output is correct |
15 |
Correct |
259 ms |
428 KB |
Output is correct |
16 |
Correct |
282 ms |
596 KB |
Output is correct |
17 |
Correct |
284 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
19 |
Correct |
2 ms |
348 KB |
Output is correct |
20 |
Correct |
33 ms |
344 KB |
Output is correct |
21 |
Correct |
325 ms |
344 KB |
Output is correct |
22 |
Correct |
138 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
344 KB |
Output is correct |
24 |
Correct |
0 ms |
452 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
344 KB |
Output is correct |
27 |
Correct |
0 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
0 ms |
456 KB |
Output is correct |
32 |
Correct |
0 ms |
404 KB |
Output is correct |
33 |
Correct |
261 ms |
432 KB |
Output is correct |
34 |
Correct |
9 ms |
348 KB |
Output is correct |
35 |
Correct |
293 ms |
344 KB |
Output is correct |
36 |
Correct |
1 ms |
344 KB |
Output is correct |
37 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
38 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
356 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
294 ms |
436 KB |
Output is correct |
7 |
Correct |
8 ms |
348 KB |
Output is correct |
8 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
9 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
268 ms |
348 KB |
Output is correct |
12 |
Correct |
8 ms |
344 KB |
Output is correct |
13 |
Correct |
315 ms |
428 KB |
Output is correct |
14 |
Correct |
10 ms |
344 KB |
Output is correct |
15 |
Correct |
259 ms |
428 KB |
Output is correct |
16 |
Correct |
282 ms |
596 KB |
Output is correct |
17 |
Correct |
284 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
19 |
Correct |
2 ms |
348 KB |
Output is correct |
20 |
Correct |
33 ms |
344 KB |
Output is correct |
21 |
Correct |
325 ms |
344 KB |
Output is correct |
22 |
Correct |
138 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
344 KB |
Output is correct |
24 |
Correct |
0 ms |
452 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
344 KB |
Output is correct |
27 |
Correct |
0 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
0 ms |
456 KB |
Output is correct |
32 |
Correct |
0 ms |
404 KB |
Output is correct |
33 |
Correct |
261 ms |
432 KB |
Output is correct |
34 |
Correct |
9 ms |
348 KB |
Output is correct |
35 |
Correct |
293 ms |
344 KB |
Output is correct |
36 |
Correct |
1 ms |
344 KB |
Output is correct |
37 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
38 |
Halted |
0 ms |
0 KB |
- |