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Submission #1000168

# Submission time Handle Problem Language Result Execution time Memory
1000168 2024-06-16T19:28:04 Z ayankarimova Awesome Arrowland Adventure (eJOI19_adventure) C++14
100 / 100
 93 ms 44140 KB 
#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define ll long long
#define f first
#define s second
#define pll pair<ll, ll>
priority_queue<pair<ll, pll>, vector<pair<ll, pll>>, greater<pair<ll, pll>>>q;
const ll sz=505, mod=1e9+7;
map<char, ll>mp;
ll n, m, used[sz][sz], dis[sz][sz];
char k[sz][sz];
vector<pair<pair<ll, ll>, ll>>g[sz][sz];
ll cnt(char a, char b)
{
    ll dif=mp[a]-mp[b];
    if(dif<0) dif+=4;
    return dif;
}
int main()
{
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    mp['E']=0;
    mp['N']=1;
    mp['W']=2;
    mp['S']=3;
    cin>>n>>m;
    for(int i=1; i<=n; i++){
        for(int j=1; j<=m; j++){
            cin>>k[i][j];
            if(k[i][j]=='X') continue;
            if(i>1){
                g[i][j].push_back({{i-1, j}, cnt(k[i][j], 'N')});
            }
            if(i<n){
                g[i][j].push_back({{i+1, j}, cnt(k[i][j], 'S')});
            }
            if(j>1){
                g[i][j].push_back({{i, j-1}, cnt(k[i][j], 'W')});
            }
            if(j<m){
                g[i][j].push_back({{i, j+1}, cnt(k[i][j], 'E')});
            }
        }
    }
    memset(dis, 32, sizeof(dis));
    q.push({0, {1, 1}});
    dis[1][1]=0;
    while(q.size()){
        ll x=q.top().s.first;
        ll y=q.top().s.second;
        q.pop();
        if(used[x][y]) continue;
        used[x][y]=1;
        for(auto j:g[x][y]){
            ll u=j.f.f, v=j.f.s, w=j.s;
            if(dis[u][v]>dis[x][y]+w){
                dis[u][v]=dis[x][y]+w;
                q.push({dis[u][v], {u, v}});
            }
        }
    }
    if(!used[n][m]) cout<<-1;
    else cout<<dis[n][m];
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8792 KB Output is correct
2 Correct 1 ms 8796 KB Output is correct
3 Correct 2 ms 8796 KB Output is correct
4 Correct 1 ms 8796 KB Output is correct
5 Correct 1 ms 8796 KB Output is correct
6 Correct 1 ms 8796 KB Output is correct
7 Correct 1 ms 8796 KB Output is correct
8 Correct 1 ms 8796 KB Output is correct
9 Correct 1 ms 8796 KB Output is correct
10 Correct 2 ms 8796 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8792 KB Output is correct
2 Correct 1 ms 8796 KB Output is correct
3 Correct 2 ms 8796 KB Output is correct
4 Correct 1 ms 8796 KB Output is correct
5 Correct 1 ms 8796 KB Output is correct
6 Correct 1 ms 8796 KB Output is correct
7 Correct 1 ms 8796 KB Output is correct
8 Correct 1 ms 8796 KB Output is correct
9 Correct 1 ms 8796 KB Output is correct
10 Correct 2 ms 8796 KB Output is correct
11 Correct 2 ms 8796 KB Output is correct
12 Correct 1 ms 8840 KB Output is correct
13 Correct 1 ms 8796 KB Output is correct
14 Correct 2 ms 8792 KB Output is correct
15 Correct 2 ms 8796 KB Output is correct
16 Correct 1 ms 8856 KB Output is correct
17 Correct 1 ms 8792 KB Output is correct
18 Correct 1 ms 8796 KB Output is correct
19 Correct 1 ms 8792 KB Output is correct
20 Correct 2 ms 8796 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8796 KB Output is correct
2 Correct 1 ms 8796 KB Output is correct
3 Correct 1 ms 8796 KB Output is correct
4 Correct 1 ms 8796 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8796 KB Output is correct
2 Correct 1 ms 8796 KB Output is correct
3 Correct 1 ms 8796 KB Output is correct
4 Correct 2 ms 8796 KB Output is correct
5 Correct 2 ms 8792 KB Output is correct
6 Correct 2 ms 8836 KB Output is correct
7 Correct 1 ms 8796 KB Output is correct
8 Correct 1 ms 8856 KB Output is correct
9 Correct 1 ms 8796 KB Output is correct
10 Correct 1 ms 8796 KB Output is correct

Subtask #5
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8792 KB Output is correct
2 Correct 1 ms 8796 KB Output is correct
3 Correct 2 ms 8796 KB Output is correct
4 Correct 1 ms 8796 KB Output is correct
5 Correct 1 ms 8796 KB Output is correct
6 Correct 1 ms 8796 KB Output is correct
7 Correct 1 ms 8796 KB Output is correct
8 Correct 1 ms 8796 KB Output is correct
9 Correct 1 ms 8796 KB Output is correct
10 Correct 2 ms 8796 KB Output is correct
11 Correct 2 ms 8796 KB Output is correct
12 Correct 1 ms 8840 KB Output is correct
13 Correct 1 ms 8796 KB Output is correct
14 Correct 2 ms 8792 KB Output is correct
15 Correct 2 ms 8796 KB Output is correct
16 Correct 1 ms 8856 KB Output is correct
17 Correct 1 ms 8792 KB Output is correct
18 Correct 1 ms 8796 KB Output is correct
19 Correct 1 ms 8792 KB Output is correct
20 Correct 2 ms 8796 KB Output is correct
21 Correct 2 ms 8796 KB Output is correct
22 Correct 1 ms 8796 KB Output is correct
23 Correct 1 ms 8796 KB Output is correct
24 Correct 1 ms 8796 KB Output is correct
25 Correct 2 ms 8796 KB Output is correct
26 Correct 1 ms 8796 KB Output is correct
27 Correct 1 ms 8796 KB Output is correct
28 Correct 2 ms 8796 KB Output is correct
29 Correct 2 ms 8792 KB Output is correct
30 Correct 2 ms 8836 KB Output is correct
31 Correct 1 ms 8796 KB Output is correct
32 Correct 1 ms 8856 KB Output is correct
33 Correct 1 ms 8796 KB Output is correct
34 Correct 1 ms 8796 KB Output is correct
35 Correct 9 ms 10844 KB Output is correct
36 Correct 1 ms 8796 KB Output is correct
37 Correct 9 ms 11356 KB Output is correct
38 Correct 7 ms 12452 KB Output is correct
39 Correct 80 ms 32840 KB Output is correct
40 Correct 82 ms 32848 KB Output is correct
41 Correct 32 ms 30804 KB Output is correct
42 Correct 80 ms 32852 KB Output is correct
43 Correct 93 ms 44140 KB Output is correct
44 Correct 32 ms 30808 KB Output is correct