#include <iostream>
#include <cstdlib>
#include <cstdio>
#include <cstring>
using namespace std;
typedef long long ll;
int n, m, x1, y1, k;
ll dp[5][105][105], c[105][105], sol;
const ll inf = 1e18;
const int dx[4] = {-1, 0, 1, 0};
const int dy[4] = {0, 1, 0, -1};
int main ()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
cin >> n >> m >> x1 >> y1 >> k;
for(int i = 1 ; i <= n ; ++i){
for(int j = 1 ; j <= m ; ++j){
cin >> c[i][j];
}
}
for(int i = 1 ; i <= n ; ++i){
for(int j = 1 ; j <= m ; ++j){
for(int v = 0 ; v < 5 ; ++v){
dp[v][i][j] = -inf;
}
}
}
for(int i = 0 ; i < 5 ; ++i){
dp[i][x1][y1] = 0;
}
ll maxi = 0;
for(int i = 1 ; i <= n ; ++i){
for(int j = 1 ; j <= m ; ++j){
for(int w = 0 ; w < 4 ; ++w){
int nx = i + dx[w];
int ny = j + dy[w];
if(nx <= 0 || nx > n || ny < 0 || ny > m)
continue;
maxi = max(maxi, c[i][j] + c[nx][ny]);
}
}
}
for(int i = 1 ; i <= min(k, 3 * n * m) ; ++i){
for(int j = 1 ; j <= n ; ++j){
for(int v = 1 ; v <= m ; ++v){
for(int w = 0 ; w < 4 ; ++w){
int nx = j + dx[w];
int ny = v + dy[w];
if(nx <= 0 || nx > n || ny <= 0 || ny > m)
continue;
dp[i % 5][nx][ny] = max(dp[i % 5][nx][ny], dp[(i - 1 + 5) % 5][j][v] + c[nx][ny]);
if(dp[i % 5][nx][ny] - dp[(i - 2 + 5) % 5][nx][ny] == dp[(i - 2 + 5) % 5][nx][ny] - dp[(i - 4 + 5) % 5][nx][ny]){
if(dp[i % 5][nx][ny] - dp[(i - 2 + 5) % 5][nx][ny] > maxi)
continue;
sol = max(sol, 2 * dp[(i - 4 + 5) % 5][nx][ny] + ((k - 2 * (i - 4)) / 2) * (dp[i % 5][nx][ny] - dp[(i - 2 + 5) % 5][nx][ny]) - c[nx][ny]);
}
}
}
}
}
cout << (k <= 3 * n * m ? dp[k % 5][x1][y1] : sol) << endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
500 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
568 KB |
Output is correct |
2 |
Correct |
4 ms |
596 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
596 KB |
Output is correct |
2 |
Correct |
6 ms |
596 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
608 KB |
Output is correct |
2 |
Correct |
3 ms |
620 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
401 ms |
800 KB |
Output is correct |
2 |
Correct |
4 ms |
800 KB |
Output is correct |
3 |
Execution timed out |
2060 ms |
1128 KB |
Time limit exceeded |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
18 ms |
1128 KB |
Output is correct |
2 |
Execution timed out |
2053 ms |
1128 KB |
Time limit exceeded |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2058 ms |
1128 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
305 ms |
1128 KB |
Output is correct |
2 |
Correct |
248 ms |
1128 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
43 ms |
1128 KB |
Output is correct |
2 |
Correct |
12 ms |
1128 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
194 ms |
1128 KB |
Output is correct |
2 |
Correct |
11 ms |
1128 KB |
Output is correct |