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Submission #677452

# Submission time Handle Problem Language Result Execution time Memory
677452 2023-01-03T11:35:05 Z LucaLucaM Maxcomp (info1cup18_maxcomp) C++17
15 / 100
 4 ms 4180 KB 
#include <bits/stdc++.h>

using namespace std;

int a[1001][1001];
int dp[1001][1001]; /// dp[n][m] = minim - d pana la (n, m) (dp[n][m] = minim)

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];
    }

    int ans = -1;

    for (int rep=0; rep<4; rep++)
    {
        for (int i=1; i<=n; i++)
        {
            for (int j=1; j<=m; j++)
            {
                dp[i][j] = a[i][j] + 1;

                if (i > 1)
                {
                    dp[i][j] = min(dp[i][j], dp[i-1][j]+1);
                    dp[i][j] = min(dp[i][j], a[i-1][j] +2);
                }
                if (j > 1)
                {
                    dp[i][j] = min(dp[i][j], dp[i][j-1]+1);
                    dp[i][j] = min(dp[i][j], a[i][j-1]+2);
                }

                ans = max(ans, a[i][j] - dp[i][j]);
            }
        }

        /// rotate matrix a

        for (int i=1; i<=n; i++)
        {
            reverse(a+1, a+m+1);
        }

        for (int i=1; i<=n; i++)
        {
            for (int j=i; j<=m; j++)
                swap(a[i][j], a[j][i]);
        }
    }

    cout << ans;

    return 0;
}

Subtask #1
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 380 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Incorrect 0 ms 340 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4180 KB Output is correct
2 Correct 4 ms 4132 KB Output is correct
3 Correct 4 ms 4180 KB Output is correct

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 380 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Incorrect 0 ms 340 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 380 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Incorrect 0 ms 340 KB Output isn't correct
7 Halted 0 ms 0 KB -