oj.uz

Submission #1106099

# Submission time Handle Problem Language Result Execution time Memory
1106099 2024-10-29T08:34:15 Z nasir_bashirov Awesome Arrowland Adventure (eJOI19_adventure) C++11
100 / 100
 68 ms 6596 KB 
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,avx2,fma")

#include <bits/stdc++.h>
using namespace std;

#define endl '\n'
#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define vi vector<int>
#define vl vector<ll>
#define vii vector<pii>
#define vll vector<pll>
#define all(x)    x.begin(), x.end()
#define fastio\
    ios_base::sync_with_stdio(0);\
    cin.tie(0);\
    cout.tie(0)\

const int sz = 505;
const int inf = 1e9 + 7;
int w[4][4] = {{0, 2, 1, 3}, {2, 0, 3, 1}, {3, 1, 0, 2}, {1, 3, 2, 0}};
int dx[4] = {-1, 1, 0, 0};
int dy[4] = {0, 0, 1, -1};
ll d[sz][sz], n, m;
char adj[sz][sz];

void djikstra(){
    map<int, char> ind;
    priority_queue<pair<int, pii>, vector<pair<int, pii>>, greater<pair<int, pii>>> pq;
    pq.push({0, {1, 1}});
    d[1][1] = 0;
    ind['N'] = 0, ind['S'] = 1, ind['E'] = 2, ind['W'] = 3;
    while(!pq.empty()){
        int x = pq.top().second.first, y = pq.top().second.second;
        pq.pop();
        for(int i = 0; i < 4; i++){
            int xx = x + dx[i], yy = y + dy[i];
            char c = adj[x][y];
            if(c == 'X')    break;
            if(d[xx][yy] > d[x][y] + w[ind[c]][i]){
                d[xx][yy] = d[x][y] + w[ind[c]][i];
                pq.push({d[xx][yy], {xx, yy}});
            }
        }
    }
}

int main(){
    cin >> n >> m;
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= m; j++){
            cin >> adj[i][j];
            d[i][j] = inf;
        }
    }
    djikstra();
    if(d[n][m] == inf)  cout << -1;
    else    cout << d[n][m];
}

Compilation message

adventure.cpp: In function 'void djikstra()':
adventure.cpp:42:46: warning: array subscript has type 'char' [-Wchar-subscripts]
   42 |             if(d[xx][yy] > d[x][y] + w[ind[c]][i]){
      |                                              ^
adventure.cpp:43:47: warning: array subscript has type 'char' [-Wchar-subscripts]
   43 |                 d[xx][yy] = d[x][y] + w[ind[c]][i];
      |                                               ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2384 KB Output is correct
6 Correct 1 ms 2432 KB Output is correct
7 Correct 1 ms 2384 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 1 ms 2384 KB Output is correct
10 Correct 1 ms 2384 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2384 KB Output is correct
6 Correct 1 ms 2432 KB Output is correct
7 Correct 1 ms 2384 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 1 ms 2384 KB Output is correct
10 Correct 1 ms 2384 KB Output is correct
11 Correct 1 ms 2384 KB Output is correct
12 Correct 1 ms 2496 KB Output is correct
13 Correct 1 ms 2548 KB Output is correct
14 Correct 1 ms 2384 KB Output is correct
15 Correct 1 ms 2500 KB Output is correct
16 Correct 1 ms 2384 KB Output is correct
17 Correct 1 ms 2384 KB Output is correct
18 Correct 1 ms 2604 KB Output is correct
19 Correct 1 ms 2384 KB Output is correct
20 Correct 1 ms 2384 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2384 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 1 ms 2384 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 1 ms 2624 KB Output is correct
10 Correct 1 ms 2384 KB Output is correct

Subtask #5
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2384 KB Output is correct
6 Correct 1 ms 2432 KB Output is correct
7 Correct 1 ms 2384 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 1 ms 2384 KB Output is correct
10 Correct 1 ms 2384 KB Output is correct
11 Correct 1 ms 2384 KB Output is correct
12 Correct 1 ms 2496 KB Output is correct
13 Correct 1 ms 2548 KB Output is correct
14 Correct 1 ms 2384 KB Output is correct
15 Correct 1 ms 2500 KB Output is correct
16 Correct 1 ms 2384 KB Output is correct
17 Correct 1 ms 2384 KB Output is correct
18 Correct 1 ms 2604 KB Output is correct
19 Correct 1 ms 2384 KB Output is correct
20 Correct 1 ms 2384 KB Output is correct
21 Correct 1 ms 2384 KB Output is correct
22 Correct 1 ms 2384 KB Output is correct
23 Correct 1 ms 2384 KB Output is correct
24 Correct 1 ms 2384 KB Output is correct
25 Correct 1 ms 2384 KB Output is correct
26 Correct 1 ms 2384 KB Output is correct
27 Correct 1 ms 2384 KB Output is correct
28 Correct 1 ms 2384 KB Output is correct
29 Correct 1 ms 2384 KB Output is correct
30 Correct 1 ms 2384 KB Output is correct
31 Correct 1 ms 2384 KB Output is correct
32 Correct 1 ms 2384 KB Output is correct
33 Correct 1 ms 2624 KB Output is correct
34 Correct 1 ms 2384 KB Output is correct
35 Correct 5 ms 2556 KB Output is correct
36 Correct 1 ms 2384 KB Output is correct
37 Correct 6 ms 2384 KB Output is correct
38 Correct 2 ms 2640 KB Output is correct
39 Correct 51 ms 2920 KB Output is correct
40 Correct 48 ms 2896 KB Output is correct
41 Correct 8 ms 3064 KB Output is correct
42 Correct 46 ms 2940 KB Output is correct
43 Correct 68 ms 6596 KB Output is correct
44 Correct 13 ms 2896 KB Output is correct