oj.uz

Submission #1043814

# Submission time Handle Problem Language Result Execution time Memory
1043814 2024-08-04T19:33:55 Z Shayan86 Maze (JOI23_ho_t3) C++14
8 / 100
 76 ms 20200 KB 
#include <bits/stdc++.h>
using namespace std;
 
#pragma GCC optimize("O3,unroll-loops")
// #pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
// Ofast, O0, O1, O2, O3, unroll-loops, fast-math, trapv
 
typedef long long ll;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
typedef long double ld;
typedef unsigned long long ull;
 
#define Mp          make_pair
#define sep         ' '
#define endl        '\n'
#define F	        first
#define S	        second
#define pb          push_back
#define all(x)      (x).begin(),(x).end()
#define kill(res)	cout << res << '\n', exit(0);
#define set_dec(x)	cout << fixed << setprecision(x);
#define fast_io     ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define file_io     freopen("input.txt", "r", stdin) ; freopen("output.txt", "w", stdout);
 
#define lid (id*2)
#define rid (id*2+1)
#define mid ((l+r)/2)

const ll N = 6e6 + 50;
const ll inf = 1e9;
 
ll n, m, k, cc, s[2], t[2];
int ax[4] = {-1, 0, 1, 0}, ay[4] = {0, -1, 0, 1};

vector<vector<char>> a;
vector<vector<int>> dist;

bool check(int i, int j){
    return (i >= 0 && j >= 0 && i < n & j < m);
}

void bfs(int s1, int s2){
    dist[s1][s2] = 0;
    deque<pair<pii, pii>> dq;
    dq.push_back({{s1, s2}, {0, 0}});

    while(!dq.empty()){
        auto [v, d] = dq.front();
        dq.pop_front();

        for(int i = 0; i < 4; i++){
            int ip = v.F + ax[i], jp = v.S + ay[i];
            if(!check(ip, jp)) continue;
            
            if(abs(ax[i]) <= d.F && abs(ay[i]) <= d.S && dist[ip][jp] > dist[v.F][v.S]){
                dist[ip][jp] = dist[v.F][v.S];
                dq.push_front({{ip, jp}, {d.F - abs(ax[i]), d.S - abs(ay[i])}});
            }
            else if(a[ip][jp] == '.' && dist[ip][jp] > dist[v.F][v.S]){
                dist[ip][jp] = dist[v.F][v.S];
                dq.push_front({{ip, jp}, {0, 0}});
            }
            if(check(ip, jp) && dist[ip][jp] > dist[v.F][v.S] + 1){
                dist[ip][jp] = dist[v.F][v.S] + 1;
                dq.push_back({{ip, jp}, {k-1, k-1}});
            }
        }
    }
}

int main(){
    fast_io;

    cin >> n >> m >> k;

    a.resize(n, vector<char>(m));
    dist.resize(n, vector<int>(m, inf));

    cin >> s[0] >> s[1] >> t[0] >> t[1];
    s[0]--; s[1]--; t[0]--; t[1]--;

    for(int i = 0; i < n; i++) for(int j = 0; j < m; j++) cin >> a[i][j];

    bfs(s[0], s[1]);

    cout << dist[t[0]][t[1]];

}

Compilation message

Main.cpp: In function 'bool check(int, int)':
Main.cpp:40:35: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
   40 |     return (i >= 0 && j >= 0 && i < n & j < m);
      |                                 ~~^~~
Main.cpp: In function 'void bfs(int, int)':
Main.cpp:49:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   49 |         auto [v, d] = dq.front();
      |              ^

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 412 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 2 ms 604 KB Output is correct
20 Correct 1 ms 860 KB Output is correct
21 Correct 2 ms 1112 KB Output is correct
22 Correct 3 ms 604 KB Output is correct
23 Correct 2 ms 604 KB Output is correct
24 Correct 1 ms 860 KB Output is correct
25 Correct 1 ms 860 KB Output is correct
26 Correct 3 ms 604 KB Output is correct
27 Correct 3 ms 604 KB Output is correct
28 Correct 2 ms 604 KB Output is correct
29 Correct 5 ms 1116 KB Output is correct
30 Correct 2 ms 856 KB Output is correct
31 Correct 5 ms 2396 KB Output is correct
32 Correct 7 ms 1116 KB Output is correct
33 Correct 4 ms 1116 KB Output is correct
34 Correct 4 ms 1736 KB Output is correct
35 Correct 4 ms 1736 KB Output is correct
36 Correct 7 ms 1116 KB Output is correct
37 Correct 7 ms 1248 KB Output is correct
38 Correct 4 ms 1116 KB Output is correct
39 Correct 62 ms 7892 KB Output is correct
40 Correct 7 ms 1116 KB Output is correct
41 Correct 6 ms 1956 KB Output is correct
42 Correct 11 ms 1372 KB Output is correct
43 Correct 8 ms 2140 KB Output is correct
44 Correct 30 ms 4700 KB Output is correct
45 Correct 28 ms 4796 KB Output is correct
46 Correct 58 ms 20200 KB Output is correct
47 Correct 68 ms 7888 KB Output is correct
48 Correct 44 ms 7768 KB Output is correct
49 Correct 38 ms 13472 KB Output is correct
50 Correct 34 ms 13472 KB Output is correct
51 Correct 66 ms 8152 KB Output is correct
52 Correct 76 ms 8084 KB Output is correct
53 Correct 48 ms 7768 KB Output is correct

Subtask #2
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Incorrect 0 ms 348 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Incorrect 0 ms 348 KB Output isn't correct
17 Halted 0 ms 0 KB -

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Incorrect 0 ms 348 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Incorrect 0 ms 348 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #6
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 412 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 2 ms 604 KB Output is correct
20 Correct 1 ms 860 KB Output is correct
21 Correct 2 ms 1112 KB Output is correct
22 Correct 3 ms 604 KB Output is correct
23 Correct 2 ms 604 KB Output is correct
24 Correct 1 ms 860 KB Output is correct
25 Correct 1 ms 860 KB Output is correct
26 Correct 3 ms 604 KB Output is correct
27 Correct 3 ms 604 KB Output is correct
28 Correct 2 ms 604 KB Output is correct
29 Correct 5 ms 1116 KB Output is correct
30 Correct 2 ms 856 KB Output is correct
31 Correct 5 ms 2396 KB Output is correct
32 Correct 7 ms 1116 KB Output is correct
33 Correct 4 ms 1116 KB Output is correct
34 Correct 4 ms 1736 KB Output is correct
35 Correct 4 ms 1736 KB Output is correct
36 Correct 7 ms 1116 KB Output is correct
37 Correct 7 ms 1248 KB Output is correct
38 Correct 4 ms 1116 KB Output is correct
39 Correct 62 ms 7892 KB Output is correct
40 Correct 7 ms 1116 KB Output is correct
41 Correct 6 ms 1956 KB Output is correct
42 Correct 11 ms 1372 KB Output is correct
43 Correct 8 ms 2140 KB Output is correct
44 Correct 30 ms 4700 KB Output is correct
45 Correct 28 ms 4796 KB Output is correct
46 Correct 58 ms 20200 KB Output is correct
47 Correct 68 ms 7888 KB Output is correct
48 Correct 44 ms 7768 KB Output is correct
49 Correct 38 ms 13472 KB Output is correct
50 Correct 34 ms 13472 KB Output is correct
51 Correct 66 ms 8152 KB Output is correct
52 Correct 76 ms 8084 KB Output is correct
53 Correct 48 ms 7768 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Incorrect 0 ms 348 KB Output isn't correct
62 Halted 0 ms 0 KB -

Subtask #7
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 412 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 2 ms 604 KB Output is correct
20 Correct 1 ms 860 KB Output is correct
21 Correct 2 ms 1112 KB Output is correct
22 Correct 3 ms 604 KB Output is correct
23 Correct 2 ms 604 KB Output is correct
24 Correct 1 ms 860 KB Output is correct
25 Correct 1 ms 860 KB Output is correct
26 Correct 3 ms 604 KB Output is correct
27 Correct 3 ms 604 KB Output is correct
28 Correct 2 ms 604 KB Output is correct
29 Correct 5 ms 1116 KB Output is correct
30 Correct 2 ms 856 KB Output is correct
31 Correct 5 ms 2396 KB Output is correct
32 Correct 7 ms 1116 KB Output is correct
33 Correct 4 ms 1116 KB Output is correct
34 Correct 4 ms 1736 KB Output is correct
35 Correct 4 ms 1736 KB Output is correct
36 Correct 7 ms 1116 KB Output is correct
37 Correct 7 ms 1248 KB Output is correct
38 Correct 4 ms 1116 KB Output is correct
39 Correct 62 ms 7892 KB Output is correct
40 Correct 7 ms 1116 KB Output is correct
41 Correct 6 ms 1956 KB Output is correct
42 Correct 11 ms 1372 KB Output is correct
43 Correct 8 ms 2140 KB Output is correct
44 Correct 30 ms 4700 KB Output is correct
45 Correct 28 ms 4796 KB Output is correct
46 Correct 58 ms 20200 KB Output is correct
47 Correct 68 ms 7888 KB Output is correct
48 Correct 44 ms 7768 KB Output is correct
49 Correct 38 ms 13472 KB Output is correct
50 Correct 34 ms 13472 KB Output is correct
51 Correct 66 ms 8152 KB Output is correct
52 Correct 76 ms 8084 KB Output is correct
53 Correct 48 ms 7768 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Incorrect 0 ms 348 KB Output isn't correct
62 Halted 0 ms 0 KB -

Subtask #8
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 412 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 2 ms 604 KB Output is correct
20 Correct 1 ms 860 KB Output is correct
21 Correct 2 ms 1112 KB Output is correct
22 Correct 3 ms 604 KB Output is correct
23 Correct 2 ms 604 KB Output is correct
24 Correct 1 ms 860 KB Output is correct
25 Correct 1 ms 860 KB Output is correct
26 Correct 3 ms 604 KB Output is correct
27 Correct 3 ms 604 KB Output is correct
28 Correct 2 ms 604 KB Output is correct
29 Correct 5 ms 1116 KB Output is correct
30 Correct 2 ms 856 KB Output is correct
31 Correct 5 ms 2396 KB Output is correct
32 Correct 7 ms 1116 KB Output is correct
33 Correct 4 ms 1116 KB Output is correct
34 Correct 4 ms 1736 KB Output is correct
35 Correct 4 ms 1736 KB Output is correct
36 Correct 7 ms 1116 KB Output is correct
37 Correct 7 ms 1248 KB Output is correct
38 Correct 4 ms 1116 KB Output is correct
39 Correct 62 ms 7892 KB Output is correct
40 Correct 7 ms 1116 KB Output is correct
41 Correct 6 ms 1956 KB Output is correct
42 Correct 11 ms 1372 KB Output is correct
43 Correct 8 ms 2140 KB Output is correct
44 Correct 30 ms 4700 KB Output is correct
45 Correct 28 ms 4796 KB Output is correct
46 Correct 58 ms 20200 KB Output is correct
47 Correct 68 ms 7888 KB Output is correct
48 Correct 44 ms 7768 KB Output is correct
49 Correct 38 ms 13472 KB Output is correct
50 Correct 34 ms 13472 KB Output is correct
51 Correct 66 ms 8152 KB Output is correct
52 Correct 76 ms 8084 KB Output is correct
53 Correct 48 ms 7768 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Incorrect 0 ms 348 KB Output isn't correct
62 Halted 0 ms 0 KB -