#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 44, K = 10;
int n, m, vert[N][N], horz[N][N], F[N][N];
ll dp[N][N][1 << K];
priority_queue < pair < ll , int > > Pq;
inline void Relax(int a, int b, int mask, ll d)
{
if (dp[a][b][mask] > d)
{
dp[a][b][mask] = d;
Pq.push(make_pair(- d, (mask << 12) | (b << 6) | a));
}
}
int main()
{
scanf("%d%d", &n, &m);
vector < pair < int , int > > vec;
for (int i = 0; i < n; i++)
for (int j = 0; j < m; j++)
{
int b;
scanf("%d", &b);
if (b)
vec.push_back({i, j});
}
for (int i = 0; i < n; i++)
for (int j = 0; j <= m; j++)
scanf("%d", &vert[i][j]);
for (int i = 0; i <= n; i++)
for (int j = 0; j < m; j++)
scanf("%d", &horz[i][j]);
for (int i = 0; i < n; i++)
for (int j = 0; j < m; j++)
{
for (int h = 0; h < (int)vec.size(); h++)
if (vec[h].first >= i && vec[h].second == j)
F[i][j] ^= 1 << h;
}
assert((int)vec.size() <= 10);
memset(dp, 63, sizeof(dp)); dp[0][0][0] = 0;
Pq.push({0, 0});
while (Pq.size())
{
int d, a, b, mask, tmp;
d = - Pq.top().first;
tmp = Pq.top().second;
a = tmp & 63; tmp >>= 6;
b = tmp & 63; tmp >>= 6;
mask = tmp;
Pq.pop();
if (d > dp[a][b][mask])
continue;
// Up :
if (a > 0)
Relax(a - 1, b, mask, d + vert[a - 1][b]);
// Down :
if (a < n)
Relax(a + 1, b, mask, d + vert[a][b]);
// Left :
if (b > 0)
Relax(a, b - 1, mask ^ F[a][b - 1], d + horz[a][b - 1]);
// Right :
if (b < m)
Relax(a, b + 1, mask ^ F[a][b], d + horz[a][b]);
}
return !printf("%lld\n", dp[0][0][(1 << (int)vec.size()) - 1]);
}
Compilation message
wall.cpp: In function 'int main()':
wall.cpp:18:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d", &n, &m);
~~~~~^~~~~~~~~~~~~~~~
wall.cpp:24:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &b);
~~~~~^~~~~~~~~~
wall.cpp:30:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &vert[i][j]);
~~~~~^~~~~~~~~~~~~~~~~~~
wall.cpp:33:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &horz[i][j]);
~~~~~^~~~~~~~~~~~~~~~~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
14 ms |
15872 KB |
Output is correct |
| 2 |
Correct |
15 ms |
15872 KB |
Output is correct |
| 3 |
Correct |
14 ms |
15872 KB |
Output is correct |
| 4 |
Correct |
18 ms |
15872 KB |
Output is correct |
| 5 |
Correct |
14 ms |
15872 KB |
Output is correct |
| 6 |
Correct |
16 ms |
15872 KB |
Output is correct |
| 7 |
Correct |
434 ms |
18000 KB |
Output is correct |
| 8 |
Correct |
21 ms |
16256 KB |
Output is correct |
| 9 |
Correct |
15 ms |
15872 KB |
Output is correct |
| 10 |
Correct |
16 ms |
15872 KB |
Output is correct |
| 11 |
Correct |
757 ms |
20096 KB |
Output is correct |
| 12 |
Correct |
39 ms |
16000 KB |
Output is correct |
| 13 |
Correct |
204 ms |
18028 KB |
Output is correct |
| 14 |
Correct |
863 ms |
20196 KB |
Output is correct |
| 15 |
Correct |
16 ms |
16000 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Runtime error |
3 ms |
640 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 2 |
Runtime error |
3 ms |
640 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 3 |
Runtime error |
4 ms |
640 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 4 |
Correct |
16 ms |
16000 KB |
Output is correct |
| 5 |
Runtime error |
4 ms |
640 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 6 |
Runtime error |
3 ms |
768 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 7 |
Runtime error |
3 ms |
676 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 8 |
Runtime error |
3 ms |
512 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 9 |
Correct |
100 ms |
17008 KB |
Output is correct |
| 10 |
Correct |
22 ms |
16256 KB |
Output is correct |
| 11 |
Runtime error |
4 ms |
640 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 12 |
Runtime error |
3 ms |
512 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 13 |
Runtime error |
4 ms |
512 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 14 |
Correct |
828 ms |
17108 KB |
Output is correct |
| 15 |
Correct |
109 ms |
18032 KB |
Output is correct |
| 16 |
Correct |
20 ms |
16000 KB |
Output is correct |
| 17 |
Runtime error |
3 ms |
512 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 18 |
Runtime error |
1 ms |
528 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Execution timed out |
7 ms |
768 KB |
Time limit exceeded (wall clock) |
| 2 |
Execution timed out |
6 ms |
640 KB |
Time limit exceeded (wall clock) |
| 3 |
Execution timed out |
7 ms |
640 KB |
Time limit exceeded (wall clock) |
| 4 |
Execution timed out |
4 ms |
640 KB |
Time limit exceeded (wall clock) |
| 5 |
Execution timed out |
11 ms |
1144 KB |
Time limit exceeded (wall clock) |
| 6 |
Execution timed out |
6 ms |
768 KB |
Time limit exceeded (wall clock) |
| 7 |
Runtime error |
11 ms |
1024 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 8 |
Runtime error |
10 ms |
1024 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 9 |
Execution timed out |
10 ms |
896 KB |
Time limit exceeded (wall clock) |
| 10 |
Execution timed out |
10 ms |
896 KB |
Time limit exceeded (wall clock) |
| 11 |
Execution timed out |
9 ms |
768 KB |
Time limit exceeded (wall clock) |
| 12 |
Execution timed out |
7 ms |
768 KB |
Time limit exceeded (wall clock) |
| 13 |
Execution timed out |
10 ms |
896 KB |
Time limit exceeded (wall clock) |
| 14 |
Execution timed out |
23 ms |
1272 KB |
Time limit exceeded (wall clock) |
| 15 |
Runtime error |
18 ms |
1152 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 16 |
Execution timed out |
16 ms |
1024 KB |
Time limit exceeded (wall clock) |
| 17 |
Execution timed out |
15 ms |
1124 KB |
Time limit exceeded (wall clock) |
| 18 |
Execution timed out |
16 ms |
1024 KB |
Time limit exceeded (wall clock) |
| 19 |
Execution timed out |
15 ms |
1024 KB |
Time limit exceeded (wall clock) |
| 20 |
Execution timed out |
15 ms |
1016 KB |
Time limit exceeded (wall clock) |
