oj.uz

Submission #750383

# Submission time Handle Problem Language Result Execution time Memory
750383 2023-05-29T12:57:18 Z MuntherCarrot Awesome Arrowland Adventure (eJOI19_adventure) C++14
50 / 100
 374 ms 102400 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define endl '\n'
#define F first
#define S second
#define pb push_back
#define all(a) a.begin(),a.end()
const int N=1e6+500;
const int off=(1<<18);
const int MOD = 1e9+7;

vector<vector<int>>gr(N);
int val[N],vis[N];
map<pair<int,int>,int>mp;
void dij(int a){
   // vis[a]=1;
   // val[a]=0;
   priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int, int>>> pq;
   pq.push({0,a});
   while(!pq.empty()){
      int vl=pq.top().F,x=pq.top().S;
      pq.pop();
      if(vis[x])continue;
      vis[x]=1;
      val[x] = vl;
      // cout<<vl<<' '<<x<<endl;
      for(auto it:gr[x]){
         pq.push({mp[{x, it}] + vl,it});
      }
   }
}
signed main(){
   ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
   int n,m;
   cin >> m >> n;
   char ch[m][n];
   for(int i=0;i<m;i++){
      for(int j=0;j<n;j++){
         cin >> ch[i][j];
      }
   }
   for(int i=0;i<m;i++){
      for(int j=0;j<n;j++){
         val[n*i+j]=INT_MAX;
         if(ch[i][j]=='X'){
            // vis[n*i+j]=1;
            continue;
         }
         if(i){
            gr[n*i+j].pb(n*(i-1)+j);
            if(ch[i][j]=='E')mp[{n*i+j,n*(i-1)+j}]=3;
            if(ch[i][j]=='W')mp[{n*i+j,n*(i-1)+j}]=1;
            if(ch[i][j]=='N')mp[{n*i+j,n*(i-1)+j}]=0;
            if(ch[i][j]=='S')mp[{n*i+j,n*(i-1)+j}]=2;
         }
         if(i<m-1){
            gr[n*i+j].pb(n*(i+1)+j);
            if(ch[i][j]=='E')mp[{n*i+j,n*(i+1)+j}]=1;
            if(ch[i][j]=='W')mp[{n*i+j,n*(i+1)+j}]=3;
            if(ch[i][j]=='N')mp[{n*i+j,n*(i+1)+j}]=2;
            if(ch[i][j]=='S')mp[{n*i+j,n*(i+1)+j}]=0;
         }
         if(j){
            gr[n*i+j].pb(n*i+j-1);
            if(ch[i][j]=='E')mp[{n*i+j,n*i+j-1}]=2;
            if(ch[i][j]=='W')mp[{n*i+j,n*i+j-1}]=0;
            if(ch[i][j]=='N')mp[{n*i+j,n*i+j-1}]=3;
            if(ch[i][j]=='S')mp[{n*i+j,n*i+j-1}]=1;
         }
         if(j<n-1){
            gr[n*i+j].pb(n*i+j+1);
            if(ch[i][j]=='E')mp[{n*i+j,n*i+j+1}]=0;
            if(ch[i][j]=='W')mp[{n*i+j,n*i+j+1}]=2;
            if(ch[i][j]=='N')mp[{n*i+j,n*i+j+1}]=1;
            if(ch[i][j]=='S')mp[{n*i+j,n*i+j+1}]=3;
         }
      }
   }
   dij(0);
   int lst=(n)*(m)-1;
   // for(int i=0;i<m;i++){
   //     for(int j=0;j<n;j++)
   //      cout << val[i * n + j] << ' ';
   //  cout << endl;
   // }
   if(val[lst]==INT_MAX)val[lst]=-1;
   cout<<val[lst];

}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 23764 KB Output is correct
2 Correct 13 ms 23824 KB Output is correct
3 Correct 13 ms 23844 KB Output is correct
4 Correct 13 ms 23804 KB Output is correct
5 Correct 13 ms 23872 KB Output is correct
6 Correct 13 ms 23764 KB Output is correct
7 Correct 13 ms 23776 KB Output is correct
8 Correct 13 ms 23892 KB Output is correct
9 Correct 13 ms 23884 KB Output is correct
10 Correct 13 ms 23764 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 23764 KB Output is correct
2 Correct 13 ms 23824 KB Output is correct
3 Correct 13 ms 23844 KB Output is correct
4 Correct 13 ms 23804 KB Output is correct
5 Correct 13 ms 23872 KB Output is correct
6 Correct 13 ms 23764 KB Output is correct
7 Correct 13 ms 23776 KB Output is correct
8 Correct 13 ms 23892 KB Output is correct
9 Correct 13 ms 23884 KB Output is correct
10 Correct 13 ms 23764 KB Output is correct
11 Correct 16 ms 23764 KB Output is correct
12 Correct 13 ms 23904 KB Output is correct
13 Correct 14 ms 23924 KB Output is correct
14 Correct 13 ms 23752 KB Output is correct
15 Correct 12 ms 23764 KB Output is correct
16 Correct 13 ms 23892 KB Output is correct
17 Correct 13 ms 23892 KB Output is correct
18 Correct 13 ms 23764 KB Output is correct
19 Correct 13 ms 23764 KB Output is correct
20 Correct 14 ms 23840 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23808 KB Output is correct
2 Correct 13 ms 23848 KB Output is correct
3 Correct 12 ms 23736 KB Output is correct
4 Correct 15 ms 23748 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 24016 KB Output is correct
2 Correct 12 ms 23796 KB Output is correct
3 Correct 13 ms 23944 KB Output is correct
4 Correct 12 ms 23892 KB Output is correct
5 Correct 14 ms 24020 KB Output is correct
6 Correct 12 ms 24020 KB Output is correct
7 Correct 12 ms 23892 KB Output is correct
8 Correct 14 ms 23764 KB Output is correct
9 Correct 12 ms 23764 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct

Subtask #5
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 23764 KB Output is correct
2 Correct 13 ms 23824 KB Output is correct
3 Correct 13 ms 23844 KB Output is correct
4 Correct 13 ms 23804 KB Output is correct
5 Correct 13 ms 23872 KB Output is correct
6 Correct 13 ms 23764 KB Output is correct
7 Correct 13 ms 23776 KB Output is correct
8 Correct 13 ms 23892 KB Output is correct
9 Correct 13 ms 23884 KB Output is correct
10 Correct 13 ms 23764 KB Output is correct
11 Correct 16 ms 23764 KB Output is correct
12 Correct 13 ms 23904 KB Output is correct
13 Correct 14 ms 23924 KB Output is correct
14 Correct 13 ms 23752 KB Output is correct
15 Correct 12 ms 23764 KB Output is correct
16 Correct 13 ms 23892 KB Output is correct
17 Correct 13 ms 23892 KB Output is correct
18 Correct 13 ms 23764 KB Output is correct
19 Correct 13 ms 23764 KB Output is correct
20 Correct 14 ms 23840 KB Output is correct
21 Correct 12 ms 23808 KB Output is correct
22 Correct 13 ms 23848 KB Output is correct
23 Correct 12 ms 23736 KB Output is correct
24 Correct 15 ms 23748 KB Output is correct
25 Correct 14 ms 24016 KB Output is correct
26 Correct 12 ms 23796 KB Output is correct
27 Correct 13 ms 23944 KB Output is correct
28 Correct 12 ms 23892 KB Output is correct
29 Correct 14 ms 24020 KB Output is correct
30 Correct 12 ms 24020 KB Output is correct
31 Correct 12 ms 23892 KB Output is correct
32 Correct 14 ms 23764 KB Output is correct
33 Correct 12 ms 23764 KB Output is correct
34 Correct 12 ms 23764 KB Output is correct
35 Correct 40 ms 29524 KB Output is correct
36 Correct 15 ms 24260 KB Output is correct
37 Correct 50 ms 30520 KB Output is correct
38 Correct 37 ms 33924 KB Output is correct
39 Correct 340 ms 87760 KB Output is correct
40 Correct 374 ms 87556 KB Output is correct
41 Correct 162 ms 85320 KB Output is correct
42 Correct 357 ms 87552 KB Output is correct
43 Runtime error 181 ms 102400 KB Execution killed with signal 9
44 Halted 0 ms 0 KB -