#include <bits/stdc++.h>
using namespace std;
#define fo(i,s,t) for(int i = s; i <= t; ++ i)
#define fd(i,s,t) for(int i = s; i >= t; -- i)
#define bf(i,s) for(int i = head[s]; i; i = e[i].next)
#define mp make_pair
#define fi first
#define se second
#define pii pair<int,int>
#define pb push_back
#define VI vector<int>
#define sf scanf
#define pf printf
#define fp freopen
#define SZ(x) ((int)(x).size())
#ifdef MPS
#define D(x...) printf(x)
#else
#define D(x...)
#endif
typedef long long ll;
typedef double db;
typedef unsigned long long ull;
const int inf = 1<<30;
const ll INF = 1ll<<60;
const db Inf = 1e20;
const db eps = 1e-9;
void gmax(int &a,int b){a = (a > b ? a : b);}
void gmin(int &a,int b){a = (a < b ? a : b);}
const int maxn = 105;
const int dx[] = {0, 0, 1, -1};
const int dy[] = {-1, 1, 0, 0};
int n, m, A[maxn][maxn], d[maxn][maxn], P[maxn][maxn], a, b, K;
ll V[maxn][maxn], Ans;
vector<pii> candi;
bool cmp(pii a, pii b){return d[a.fi][a.se] < d[b.fi][b.se];}
int main()
{
#ifdef MPS
fp("1.in","r",stdin);
fp("1.out","w",stdout);
#endif
sf("%d%d%d%d%d",&n,&m,&a,&b,&K);
fo(i,1,n) fo(j,1,m) sf("%d",&A[i][j]);
fo(i,1,n) fo(j,1,m) fo(k,0,3) P[i][j] = max(P[i][j], A[i][j] + A[i+dx[k]][j+dy[k]]);
queue<pii> Q;
memset(d,0xff,sizeof(d));
Q.push(mp(a,b));
d[a][b] = 0;
while(!Q.empty())
{
pii h = Q.front(); Q.pop();
fo(i,0,3)
{
int nx = h.fi + dx[i], ny = h.se + dy[i];
if(nx < 1 || ny < 1 || nx > n || ny > m) continue;
if(d[nx][ny] != -1) continue;
d[nx][ny] = d[h.fi][h.se] + 1;
Q.push(mp(nx, ny));
}
}
fo(i,1,n) fo(j,1,m) candi.pb(mp(i,j)), V[i][j] = -INF;
V[a][b] = 0;
// for(auto p : candi)cout << p.fi << ' ' << p.se << endl;
sort(candi.begin(),candi.end(),cmp);
for(auto q : candi)
{
int i = q.fi, j = q.se;
continue;
fo(k,0,3)
{
int nx = i + dx[k], ny = j + dy[k];
if(nx < 1 || ny < 1 || nx > n || ny > m || d[nx][ny] + 1 != d[i][j]) continue;
V[i][j] = max(V[i][j], V[nx][ny] + A[i][j]);
}
}
Ans = -inf;
fo(i,1,n) fo(j,1,m)
{
int k = K/2-d[i][j];
if(k < 0) continue;
Ans = max(Ans, 1ll*k*P[i][j] + V[i][j]*2 - A[i][j]);
}
cout << Ans << endl;
return 0;
}
Compilation message
maja.cpp: In function 'int main()':
maja.cpp:48:4: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
sf("%d%d%d%d%d",&n,&m,&a,&b,&K);
^
maja.cpp:49:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
fo(i,1,n) fo(j,1,m) sf("%d",&A[i][j]);
^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
380 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
552 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
580 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
580 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
580 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
3 ms |
756 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
756 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
756 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
756 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |