Submission #228966

#	Time	Username	Problem	Language	Result	Execution time	Memory
228966		kartel	Maja (COCI18_maja)	C++14	44 / 110	2089 ms	640 KiB

maja

#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
#define in(x) freopen(x, "r", stdin)
#define out(x) freopen(x, "w", stdout)
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("-O3")
#define F first
#define S second
#define pb push_back
#define N +100500
#define M ll(1e9 + 7)
#define sz(x) (int)x.size()
#define re return
#define oo ll(1e18)
#define el '\n'
using namespace std;
//using namespace __gnu_pbds;
//typedef tree <int, null_type, less_equal <int> , rb_tree_tag, tree_order_statistics_node_update> ordered_set;
typedef long long ll;
typedef long double ld;

ll f[2][101][101];
int a[101][101], i, j, q, nx, p, k, x, y, n, m;

int main()
{
    srand(time(0));
    ios_base::sync_with_stdio(0);
    iostream::sync_with_stdio(0);
    ios::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);

//    in("input.txt");
//    out("output.txt");

    cin >> n >> m >> x >> y >> k;
    for (i = 1; i <= n; i++)
        for (j = 1; j <= m; j++) cin >> a[i][j], f[0][i][j] = -1e18;

    f[0][x][y] = 0;

    for (p = 0; p <= k; p++)
    {
        nx = (p + 1) % 2;
        q = p % 2;
        for (i = 1; i <= n; i++)
          for (j = 1; j <= m; j++) f[nx][i][j] = -1e18;

        for (i = 1; i <= n; i++)
          for (j = 1; j <= m; j++)
          {
              f[nx][i + 1][j] = max(f[nx][i + 1][j], f[q][i][j] + a[i + 1][j]);
              f[nx][i - 1][j] = max(f[nx][i - 1][j], f[q][i][j] + a[i - 1][j]);
              f[nx][i][j + 1] = max(f[nx][i][j + 1], f[q][i][j] + a[i][j + 1]);
              f[nx][i][j - 1] = max(f[nx][i][j - 1], f[q][i][j] + a[i][j - 1]);
          }
    }
    cout << f[k % 2][x][y];
}

• Subtask 1: 11 / 11
• Subtask 2: 11 / 11
• Subtask 3: 11 / 11
• Subtask 4: 11 / 11
• Subtask 5: 0 / 11
• Subtask 6: 0 / 11
• Subtask 7: 0 / 11
• Subtask 8: 0 / 11
• Subtask 9: 0 / 11
• Subtask 10: 0 / 11