Submission #232207

# Submission time Handle Problem Language Result Execution time Memory
232207 2020-05-16T11:12:50 Z Dremix10 Awesome Arrowland Adventure (eJOI19_adventure) C++17
50 / 100
2000 ms 25272 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(x);
    }

}

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


}
# 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
# 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 6144 KB Output is correct
12 Correct 8 ms 6272 KB Output is correct
13 Correct 8 ms 6272 KB Output is correct
14 Correct 8 ms 6272 KB Output is correct
15 Correct 8 ms 6144 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
# 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
# Verdict Execution time Memory Grader output
1 Correct 9 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 9 ms 6272 KB Output is correct
6 Correct 9 ms 6272 KB Output is correct
7 Correct 8 ms 6272 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
# 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 6144 KB Output is correct
12 Correct 8 ms 6272 KB Output is correct
13 Correct 8 ms 6272 KB Output is correct
14 Correct 8 ms 6272 KB Output is correct
15 Correct 8 ms 6144 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 9 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 9 ms 6272 KB Output is correct
30 Correct 9 ms 6272 KB Output is correct
31 Correct 8 ms 6272 KB Output is correct
32 Correct 8 ms 6272 KB Output is correct
33 Correct 8 ms 6272 KB Output is correct
34 Correct 8 ms 6272 KB Output is correct
35 Correct 121 ms 7796 KB Output is correct
36 Correct 8 ms 6272 KB Output is correct
37 Correct 82 ms 7924 KB Output is correct
38 Correct 14 ms 7936 KB Output is correct
39 Correct 1359 ms 21072 KB Output is correct
40 Execution timed out 2084 ms 25272 KB Time limit exceeded
41 Halted 0 ms 0 KB -