#include <bits/stdc++.h>
using namespace std;
int a[1001][1001];
int b[1001][1001];
const int dx[] = {-1, 1, 0, 0};
const int dy[] = {0, 0, -1, 1};
/**
fie b[i][j] - cea mai apropiata poizitie a.i. a[b[i][j].first][b[i][j].second] > a[i][j]
calculam cu lee
**/
struct state
{
int i, j, d, maxi, mini;
};
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
int n, m;
cin >> n >> m;
for (int i=1; i<=n; i++)
{
for (int j=1; j<=m; j++)
cin >> a[i][j];
}
queue<state>q;
for (int i=1; i<=n; i++)
{
for (int j=1; j<=m; j++)
{
q.push({i, j, 0, a[i][j], a[i][j]});
b[i][j] = -1;
}
}
int ans = 0;
while (!q.empty())
{
int i = q.front().i, j = q.front().j, d = q.front().d, maxim = q.front().maxi, minim = q.front().mini;
q.pop();
for (int k=0; k<4; k++)
{
int x = i + dx[k], y = j + dy[k];
if (x > 0 && y > 0 && x <= n && y <= m)
{
if (max(maxim, a[x][y]) - min(minim, a[x][y]) - (d + 1) > b[x][y])
{
b[x][y] = max(maxim, a[x][y]) - min(minim, a[x][y]) - (d + 1);
ans = max(ans, b[x][y]);
q.push({x, y, max(maxim, a[x][y]), min(minim, a[x][y]), d + 1});
}
}
}
}
cout << ans;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
460 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
328 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
460 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
460 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |