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Submission #232209

# Submission time Handle Problem Language Result Execution time Memory
232209 2020-05-16T11:16:35 Z Dremix10 Awesome Arrowland Adventure (eJOI19_adventure) C++17
100 / 100
 116 ms 21356 KB 
#include <bits/stdc++.h>

#define mp(a,b) make_pair(a,b)

using namespace std;


struct ano{

int c;
int d;

bool operator<(const ano &o)const{
return d>o.d;
}

};

vector<pair<int,int> > a[250000];
priority_queue<pair<int,int> , vector<pair<int,int> >, greater<pair<int,int> > > q;
int d[250000];

int main (void){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);

int n,m;
cin>>n>>m;



int i,j;
char c;

for(i=0;i<n*m;i++)
    d[i]=1000000;

for(i=0;i<n;i++)
for(j=0;j<m;j++){

    cin>>c;

    if(c=='X')
        continue;

    if(c=='N'){
        if(i-1>=0)
            a[i*m+j].push_back(mp(0,(i-1)*m+j));
        if(j+1<m)
            a[i*m+j].push_back(mp(1,i*m+j+1));
        if(i+1<n)
            a[i*m+j].push_back(mp(2,(i+1)*m+j));
        if(j-1>=0)
            a[i*m+j].push_back(mp(3,i*m+j-1));
    }
    else if(c=='E'){
        if(i-1>=0)
            a[i*m+j].push_back(mp(3,(i-1)*m+j));
        if(j+1<m)
            a[i*m+j].push_back(mp(0,i*m+j+1));
        if(i+1<n)
            a[i*m+j].push_back(mp(1,(i+1)*m+j));
        if(j-1>=0)
            a[i*m+j].push_back(mp(2,i*m+j-1));
    }
    else if(c=='S'){
        if(i-1>=0)
            a[i*m+j].push_back(mp(2,(i-1)*m+j));
        if(j+1<m)
            a[i*m+j].push_back(mp(3,i*m+j+1));
        if(i+1<n)
            a[i*m+j].push_back(mp(0,(i+1)*m+j));
        if(j-1>=0)
            a[i*m+j].push_back(mp(1,i*m+j-1));
    }
    else{
        if(i-1>=0)
            a[i*m+j].push_back(mp(1,(i-1)*m+j));
        if(j+1<m)
            a[i*m+j].push_back(mp(2,i*m+j+1));
        if(i+1<n)
            a[i*m+j].push_back(mp(3,(i+1)*m+j));
        if(j-1>=0)
            a[i*m+j].push_back(mp(0,i*m+j-1));
    }

}

q.push({0,0});
d[0]=0;

int start,w;

while(!q.empty()){
    start=q.top().second;
    w=q.top().first;
    q.pop();

    if(d[start]<w)
        continue;

    for(auto x : a[start])
    if(d[x.second]>d[start]+x.first){
        d[x.second]=d[start]+x.first;
        q.push(mp(d[x.second],x.second));
    }

}

if(d[n*m-1]==1000000)
    cout<<-1<<'\n';
else
    cout<<d[n*m-1]<<'\n';


}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 6272 KB Output is correct
2 Correct 8 ms 6272 KB Output is correct
3 Correct 8 ms 6272 KB Output is correct
4 Correct 8 ms 6272 KB Output is correct
5 Correct 8 ms 6272 KB Output is correct
6 Correct 8 ms 6272 KB Output is correct
7 Correct 8 ms 6144 KB Output is correct
8 Correct 8 ms 6272 KB Output is correct
9 Correct 8 ms 6272 KB Output is correct
10 Correct 8 ms 6272 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 6272 KB Output is correct
2 Correct 8 ms 6272 KB Output is correct
3 Correct 8 ms 6272 KB Output is correct
4 Correct 8 ms 6272 KB Output is correct
5 Correct 8 ms 6272 KB Output is correct
6 Correct 8 ms 6272 KB Output is correct
7 Correct 8 ms 6144 KB Output is correct
8 Correct 8 ms 6272 KB Output is correct
9 Correct 8 ms 6272 KB Output is correct
10 Correct 8 ms 6272 KB Output is correct
11 Correct 8 ms 6272 KB Output is correct
12 Correct 9 ms 6272 KB Output is correct
13 Correct 8 ms 6272 KB Output is correct
14 Correct 8 ms 6144 KB Output is correct
15 Correct 8 ms 6272 KB Output is correct
16 Correct 8 ms 6272 KB Output is correct
17 Correct 8 ms 6272 KB Output is correct
18 Correct 8 ms 6272 KB Output is correct
19 Correct 8 ms 6144 KB Output is correct
20 Correct 8 ms 6272 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 6144 KB Output is correct
2 Correct 8 ms 6272 KB Output is correct
3 Correct 8 ms 6144 KB Output is correct
4 Correct 8 ms 6144 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 6272 KB Output is correct
2 Correct 8 ms 6272 KB Output is correct
3 Correct 8 ms 6272 KB Output is correct
4 Correct 8 ms 6272 KB Output is correct
5 Correct 8 ms 6272 KB Output is correct
6 Correct 8 ms 6272 KB Output is correct
7 Correct 8 ms 6272 KB Output is correct
8 Correct 8 ms 6144 KB Output is correct
9 Correct 8 ms 6272 KB Output is correct
10 Correct 8 ms 6272 KB Output is correct

Subtask #5
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 6272 KB Output is correct
2 Correct 8 ms 6272 KB Output is correct
3 Correct 8 ms 6272 KB Output is correct
4 Correct 8 ms 6272 KB Output is correct
5 Correct 8 ms 6272 KB Output is correct
6 Correct 8 ms 6272 KB Output is correct
7 Correct 8 ms 6144 KB Output is correct
8 Correct 8 ms 6272 KB Output is correct
9 Correct 8 ms 6272 KB Output is correct
10 Correct 8 ms 6272 KB Output is correct
11 Correct 8 ms 6272 KB Output is correct
12 Correct 9 ms 6272 KB Output is correct
13 Correct 8 ms 6272 KB Output is correct
14 Correct 8 ms 6144 KB Output is correct
15 Correct 8 ms 6272 KB Output is correct
16 Correct 8 ms 6272 KB Output is correct
17 Correct 8 ms 6272 KB Output is correct
18 Correct 8 ms 6272 KB Output is correct
19 Correct 8 ms 6144 KB Output is correct
20 Correct 8 ms 6272 KB Output is correct
21 Correct 8 ms 6144 KB Output is correct
22 Correct 8 ms 6272 KB Output is correct
23 Correct 8 ms 6144 KB Output is correct
24 Correct 8 ms 6144 KB Output is correct
25 Correct 8 ms 6272 KB Output is correct
26 Correct 8 ms 6272 KB Output is correct
27 Correct 8 ms 6272 KB Output is correct
28 Correct 8 ms 6272 KB Output is correct
29 Correct 8 ms 6272 KB Output is correct
30 Correct 8 ms 6272 KB Output is correct
31 Correct 8 ms 6272 KB Output is correct
32 Correct 8 ms 6144 KB Output is correct
33 Correct 8 ms 6272 KB Output is correct
34 Correct 8 ms 6272 KB Output is correct
35 Correct 15 ms 7168 KB Output is correct
36 Correct 8 ms 6400 KB Output is correct
37 Correct 16 ms 7296 KB Output is correct
38 Correct 15 ms 7936 KB Output is correct
39 Correct 94 ms 16760 KB Output is correct
40 Correct 91 ms 16632 KB Output is correct
41 Correct 47 ms 16892 KB Output is correct
42 Correct 94 ms 16888 KB Output is correct
43 Correct 116 ms 21356 KB Output is correct
44 Correct 48 ms 16760 KB Output is correct