oj.uz

Submission #725552

# Submission time Handle Problem Language Result Execution time Memory
725552 2023-04-17T15:40:48 Z pls33 Nautilus (BOI19_nautilus) C++17
66 / 100
 1000 ms 1508 KB 
#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

#pragma region dalykai
template <typename F>
void _debug(F f)
{
    f();
}

#ifndef _AAAAAAAAA
#define debug(x)
#else
#define debug(x) _debug(x)
#endif
using p32 = pair<int, int>;
using p32u = pair<uint32_t, uint32_t>;
using p64 = pair<int64_t, int64_t>;
using p64u = pair<uint64_t, uint64_t>;
using vi16 = vector<int16_t>;
using vi16u = vector<uint16_t>;
using vi32 = vector<int>;
using vi32u = vector<uint32_t>;
using vi64 = vector<int64_t>;
using vi64u = vector<uint64_t>;
using vp32 = vector<p32>;
using vp32u = vector<p32u>;
using vp64 = vector<p64>;
using vp64u = vector<p64u>;
using vvi32 = vector<vi32>;
using vvi32u = vector<vi32u>;
using vvi64 = vector<vi64>;
using vvi64u = vector<vi64u>;
using vvp32 = vector<vp32>;
using vvp32u = vector<vp32u>;
using vvp64 = vector<vp64>;
using vvp64u = vector<vp64u>;
using f80 = long double;
#pragma endregion

using grid_t = vector<string>;

bool inside(int i, int j, int row, int col)
{
    return i >= 0 && i < row && j >= 0 && j < col;
}

int main()
{
#ifndef _AAAAAAAAA
    ios_base::sync_with_stdio(false);
    cin.tie(0);
#else
    freopen("nautilus.in", "r", stdin);
#ifndef __linux__
    atexit([]()
           {
        freopen("con", "r", stdin);
        system("pause"); });
#endif
#endif

    int row, col, n;
    cin >> row >> col >> n;

    grid_t grid(row);
    for (auto &r : grid)
    {
        cin >> r;
    }

    string message;
    cin >> message;

    map<char, int> command;
    command['N'] = 0;
    command['S'] = 1;
    command['E'] = 2;
    command['W'] = 3;
    command['?'] = 4;

    for (auto &c : message)
    {
        c = (char)command[c];
    }

    using set_t = bitset<5000>;

    vector<set_t> cur(row), next;
    for (auto &r : cur)
    {
        r.set();
    }

    const vi16 dr = {-1, 1, 0, 0};
    const vi16 dc = {0, 0, 1, -1};

    for (int l = 0; auto &c : message)
    {
        next = vector<set_t>(row);
        for (int i = 0; i < row; i++)
        {
            for (int j = 0; j < col; j++)
            {
                if (!cur[i][j] || grid[i][j] == '#')
                {
                    continue;
                }

                for (int k = (c == 4) ? 0 : c; (c == 4) ? (k < 4) : (k < c + 1); k++)
                {
                    int a = i + dr[k];
                    int b = j + dc[k];

                    if (inside(a, b, row, col))
                    {
                        next[a][b] = grid[a][b] != '#';
                    }
                }
            }
        }

        swap(next, cur);
        l++;
    }

    size_t total = 0;
    for (int i = 0; auto &r : cur)
    {
        debug([&]()
              {
                  string s = r.to_string();
                  reverse(s.begin(), s.end());
                  s.erase(s.begin() + col, s.end());

                  for (int j = 0; j < col; j++)
                  {
                      if (grid[i][j] == '#')
                      {
                          s[j] = '#';
                      }
                      if (s[j] == '0')
                      {
                          s[j] = '.';
                      }
                  }

                  cout << s << '\n';
                  //
              });

        total += r.count();
        i++;
    }

    cout << total << '\n';

    return 0;
}

Compilation message

nautilus.cpp:9: warning: ignoring '#pragma region dalykai' [-Wunknown-pragmas]
    9 | #pragma region dalykai
      | 
nautilus.cpp:44: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas]
   44 | #pragma endregion
      | 
nautilus.cpp: In function 'int main()':
nautilus.cpp:103:21: warning: range-based 'for' loops with initializer only available with '-std=c++2a' or '-std=gnu++2a'
  103 |     for (int l = 0; auto &c : message)
      |                     ^~~~
nautilus.cpp:133:21: warning: range-based 'for' loops with initializer only available with '-std=c++2a' or '-std=gnu++2a'
  133 |     for (int i = 0; auto &r : cur)
      |                     ^~~~

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 468 KB Output is correct
2 Correct 3 ms 528 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 524 KB Output is correct
5 Correct 2 ms 468 KB Output is correct
6 Correct 2 ms 468 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 468 KB Output is correct
2 Correct 3 ms 528 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 524 KB Output is correct
5 Correct 2 ms 468 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 19 ms 468 KB Output is correct
8 Correct 8 ms 468 KB Output is correct
9 Correct 3 ms 468 KB Output is correct
10 Correct 3 ms 468 KB Output is correct
11 Correct 2 ms 520 KB Output is correct
12 Correct 26 ms 520 KB Output is correct
13 Correct 24 ms 520 KB Output is correct
14 Correct 19 ms 468 KB Output is correct
15 Correct 3 ms 468 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 31 ms 468 KB Output is correct
18 Correct 32 ms 468 KB Output is correct
19 Correct 18 ms 468 KB Output is correct
20 Correct 7 ms 524 KB Output is correct
21 Correct 2 ms 468 KB Output is correct

Subtask #3
0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 468 KB Output is correct
2 Correct 3 ms 528 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 524 KB Output is correct
5 Correct 2 ms 468 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 19 ms 468 KB Output is correct
8 Correct 8 ms 468 KB Output is correct
9 Correct 3 ms 468 KB Output is correct
10 Correct 3 ms 468 KB Output is correct
11 Correct 2 ms 520 KB Output is correct
12 Correct 26 ms 520 KB Output is correct
13 Correct 24 ms 520 KB Output is correct
14 Correct 19 ms 468 KB Output is correct
15 Correct 3 ms 468 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 31 ms 468 KB Output is correct
18 Correct 32 ms 468 KB Output is correct
19 Correct 18 ms 468 KB Output is correct
20 Correct 7 ms 524 KB Output is correct
21 Correct 2 ms 468 KB Output is correct
22 Execution timed out 1086 ms 1508 KB Time limit exceeded
23 Halted 0 ms 0 KB -