oj.uz

Submission #1092558

# Submission time Handle Problem Language Result Execution time Memory
1092558 2024-09-24T11:59:09 Z jerzyk Sandwich (JOI16_sandwich) C++17
100 / 100
 891 ms 3236 KB 
#include <bits/stdc++.h>
//#pragma GCC optimize("Ofast","unroll-loops")
//#pragma GCC target("popcnt")

using namespace std;
#define pb push_back
#define st first
#define nd second
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
const ll I = 1000LL * 1000LL * 1000LL * 1000LL * 1000LL * 1000LL;
const ll M = 1000LL * 1000LL * 1000LL + 7LL;
const int N = 400 + 7;
int n, m; 
int vis[N][N];
int il = 0;
string s[N];
int answer[N][N];
queue<int> q;

inline void Clean()
{
    il = 0;
    for(int i = 1; i <= n; ++i)
        for(int j = 1; j <= m; ++j)
            vis[i][j] = 0;

}

bool DFS(int r, int i, int j)
{
    if(vis[i][j])
        return vis[i][j] == 2;
    vis[i][j] = 2;
    ++il; ++il;
    if(r == 0)
    {
        if(i > 1 && DFS(0, i - 1, j)) return true;
        if(j > 1 && s[i][j] == 'Z')
            if(DFS((s[i][j - 1] != 'Z'), i, j - 1))
                return true;
        if(j < m && s[i][j] == 'N' && DFS((s[i][j + 1] != 'N'), i, j + 1))
            return true;
    }else
    {
        if(i < n && DFS(1, i + 1, j)) return true;
        if(j > 1 && s[i][j] == 'N' && DFS((s[i][j - 1] != 'Z'), i, j - 1))
            return true;
        if(j < m && s[i][j] == 'Z' && DFS((s[i][j + 1] != 'N'), i, j + 1))
            return true;
    }
    vis[i][j] = 1;
    return false;
}

void Solve()
{
    cin >> n >> m;
    for(int i = 1; i <= n; ++i)
    {
        cin >> s[i];
        s[i] = '#' + s[i];
        for(int j = 1; j <= m; ++j)
            answer[i][j] = N * N * 4;
    }

    for(int j = 1; j <= m; ++j)
    {
        for(int i = 1; i <= n; ++i)
        {
            if(DFS(0, i, j))
                break;
            answer[i][j] = min(answer[i][j], il);
        }
        Clean();
        for(int i = n; i >= 1; --i)
        {
            if(DFS(1, i, j))
                break;
            answer[i][j] = min(answer[i][j], il);
        }
        Clean();
    }

    for(int i = 1; i <= n; ++i)
    {
        for(int j = 1; j <= m; ++j)
        {
            if(answer[i][j] == N * N * 4) answer[i][j] = -1;
            cout << answer[i][j] << " ";
        }
        cout << "\n";
    }
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    //int t; cin >> t;
    //while(t--)
        Solve();

    return 0;
}

Subtask #1
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 600 KB Output is correct
3 Correct 0 ms 604 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 2 ms 856 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 2 ms 604 KB Output is correct
14 Correct 2 ms 604 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 1 ms 484 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 600 KB Output is correct
21 Correct 1 ms 604 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 1 ms 600 KB Output is correct
24 Correct 2 ms 604 KB Output is correct
25 Correct 2 ms 656 KB Output is correct
26 Correct 2 ms 600 KB Output is correct
27 Correct 2 ms 604 KB Output is correct
28 Correct 2 ms 604 KB Output is correct

Subtask #2
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 600 KB Output is correct
3 Correct 0 ms 604 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 2 ms 856 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 2 ms 604 KB Output is correct
14 Correct 2 ms 604 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 1 ms 484 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 600 KB Output is correct
21 Correct 1 ms 604 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 1 ms 600 KB Output is correct
24 Correct 2 ms 604 KB Output is correct
25 Correct 2 ms 656 KB Output is correct
26 Correct 2 ms 600 KB Output is correct
27 Correct 2 ms 604 KB Output is correct
28 Correct 2 ms 604 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 1628 KB Output is correct
31 Correct 24 ms 2716 KB Output is correct
32 Correct 25 ms 2656 KB Output is correct
33 Correct 6 ms 1640 KB Output is correct
34 Correct 386 ms 2876 KB Output is correct
35 Correct 279 ms 2400 KB Output is correct
36 Correct 2 ms 1628 KB Output is correct
37 Correct 458 ms 2876 KB Output is correct
38 Correct 258 ms 2900 KB Output is correct
39 Correct 435 ms 2896 KB Output is correct
40 Correct 891 ms 3152 KB Output is correct
41 Correct 579 ms 2132 KB Output is correct
42 Correct 764 ms 3236 KB Output is correct
43 Correct 745 ms 3156 KB Output is correct
44 Correct 732 ms 3152 KB Output is correct
45 Correct 353 ms 2856 KB Output is correct
46 Correct 252 ms 2900 KB Output is correct
47 Correct 274 ms 2852 KB Output is correct
48 Correct 156 ms 2640 KB Output is correct
49 Correct 241 ms 2900 KB Output is correct
50 Correct 269 ms 2860 KB Output is correct
51 Correct 248 ms 2896 KB Output is correct
52 Correct 232 ms 2904 KB Output is correct
53 Correct 233 ms 2896 KB Output is correct
54 Correct 228 ms 2896 KB Output is correct
55 Correct 250 ms 2896 KB Output is correct
56 Correct 245 ms 2900 KB Output is correct
57 Correct 167 ms 2512 KB Output is correct
58 Correct 654 ms 3184 KB Output is correct
59 Correct 677 ms 3172 KB Output is correct
60 Correct 447 ms 2692 KB Output is correct
61 Correct 664 ms 3144 KB Output is correct
62 Correct 649 ms 2840 KB Output is correct
63 Correct 624 ms 3156 KB Output is correct