#include <iostream>
#include <cstdio>
#include <algorithm>
#include <string.h>
using namespace std;
#define endl '\n'
#define ll long long
#define pi pair<int, int>
#define f first
#define s second
const int maxn = 100;
int n, m, sx, sy, k, nm;
ll a[maxn][maxn];
ll dp[maxn][maxn][2];
int dx[4] = {1, 0, -1, 0};
int dy[4] = {0, 1, 0, -1};
bool works(int x, int y){
return x >= 0 && y >= 0 && x < n && y < m;
}
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
cin >> n >> m >> sx >> sy >> k;
sx--, sy--;
nm = min(n * m, k / 2);
for(int i = 0; i < n; i++)
for(int j = 0; j < m; j++){
cin >> a[i][j];
}
memset(dp, -1, sizeof(dp));
dp[sx][sy][0] = 0;
for(int l = 0; l < nm; l++){
for(int i = 0; i < n; i++)
for(int j = 0; j < m; j++){
if(dp[i][j][l & 1] == -1) continue;
for(int f = 0; f < 4; f++){
int x = i + dx[f], y = j + dy[f];
if(works(x, y)){
dp[x][y][(l & 1) ^ 1] = max(dp[x][y][(l & 1) ^ 1],
dp[i][j][l & 1] + a[x][y]);
}
}
}
}
ll ret = 0;
for(int i = 0; i < n; i++)
for(int j = 0; j < m; j++){
if(dp[i][j][nm & 1] == -1) continue;
for(int f = 0; f < 4; f++){
int x = i + dx[f], y = j + dy[f];
if(works(x, y)){
ret = max(ret, 2 * dp[i][j][nm & 1] +
(k / 2 - nm) * (a[i][j] + a[x][y]) - a[i][j]);
}
}
}
cout << ret << endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
512 KB |
Output is correct |
2 |
Correct |
4 ms |
512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
512 KB |
Output is correct |
2 |
Correct |
5 ms |
512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
512 KB |
Output is correct |
2 |
Correct |
5 ms |
512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
512 KB |
Output is correct |
2 |
Correct |
5 ms |
512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
61 ms |
632 KB |
Output is correct |
2 |
Correct |
5 ms |
512 KB |
Output is correct |
3 |
Correct |
691 ms |
640 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
512 KB |
Output is correct |
2 |
Correct |
430 ms |
632 KB |
Output is correct |
3 |
Correct |
695 ms |
616 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
317 ms |
672 KB |
Output is correct |
2 |
Correct |
571 ms |
640 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
46 ms |
512 KB |
Output is correct |
2 |
Correct |
41 ms |
512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
10 ms |
512 KB |
Output is correct |
2 |
Correct |
6 ms |
512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
32 ms |
512 KB |
Output is correct |
2 |
Correct |
6 ms |
564 KB |
Output is correct |