oj.uz

Submission #750366

# Submission time Handle Problem Language Result Execution time Memory
750366 2023-05-29T12:36:20 Z MrM7md Awesome Arrowland Adventure (eJOI19_adventure) C++17
50 / 100
 408 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>>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;
      // cout<<vl<<' '<<x<<endl;
      for(auto it:gr[x]){
         if(val[it]>val[x]+mp[{x,it}])
            val[it]=val[x]+mp[{x,it}];

         pq.push({val[it]*-1,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;
   if(val[lst]==INT_MAX)val[lst]=-1;
   cout<<val[lst];

}

Compilation message

adventure.cpp: In function 'void dij(int)':
adventure.cpp:22:11: warning: unused variable 'vl' [-Wunused-variable]
   22 |       int vl=pq.top().F,x=pq.top().S;
      |           ^~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23804 KB Output is correct
2 Correct 15 ms 23764 KB Output is correct
3 Correct 15 ms 23836 KB Output is correct
4 Correct 14 ms 23824 KB Output is correct
5 Correct 14 ms 23876 KB Output is correct
6 Correct 13 ms 23800 KB Output is correct
7 Correct 15 ms 23764 KB Output is correct
8 Correct 15 ms 23780 KB Output is correct
9 Correct 16 ms 23824 KB Output is correct
10 Correct 14 ms 23772 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23804 KB Output is correct
2 Correct 15 ms 23764 KB Output is correct
3 Correct 15 ms 23836 KB Output is correct
4 Correct 14 ms 23824 KB Output is correct
5 Correct 14 ms 23876 KB Output is correct
6 Correct 13 ms 23800 KB Output is correct
7 Correct 15 ms 23764 KB Output is correct
8 Correct 15 ms 23780 KB Output is correct
9 Correct 16 ms 23824 KB Output is correct
10 Correct 14 ms 23772 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 14 ms 23840 KB Output is correct
13 Correct 13 ms 23892 KB Output is correct
14 Correct 13 ms 23752 KB Output is correct
15 Correct 13 ms 23860 KB Output is correct
16 Correct 15 ms 23892 KB Output is correct
17 Correct 14 ms 23892 KB Output is correct
18 Correct 14 ms 23736 KB Output is correct
19 Correct 13 ms 23764 KB Output is correct
20 Correct 16 ms 23808 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23732 KB Output is correct
2 Correct 15 ms 23764 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 12 ms 23788 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 23912 KB Output is correct
2 Correct 12 ms 23800 KB Output is correct
3 Correct 13 ms 23836 KB Output is correct
4 Correct 13 ms 23812 KB Output is correct
5 Correct 13 ms 24020 KB Output is correct
6 Correct 13 ms 23992 KB Output is correct
7 Correct 13 ms 23892 KB Output is correct
8 Correct 12 ms 23764 KB Output is correct
9 Correct 12 ms 23804 KB Output is correct
10 Correct 12 ms 23772 KB Output is correct

Subtask #5
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23804 KB Output is correct
2 Correct 15 ms 23764 KB Output is correct
3 Correct 15 ms 23836 KB Output is correct
4 Correct 14 ms 23824 KB Output is correct
5 Correct 14 ms 23876 KB Output is correct
6 Correct 13 ms 23800 KB Output is correct
7 Correct 15 ms 23764 KB Output is correct
8 Correct 15 ms 23780 KB Output is correct
9 Correct 16 ms 23824 KB Output is correct
10 Correct 14 ms 23772 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 14 ms 23840 KB Output is correct
13 Correct 13 ms 23892 KB Output is correct
14 Correct 13 ms 23752 KB Output is correct
15 Correct 13 ms 23860 KB Output is correct
16 Correct 15 ms 23892 KB Output is correct
17 Correct 14 ms 23892 KB Output is correct
18 Correct 14 ms 23736 KB Output is correct
19 Correct 13 ms 23764 KB Output is correct
20 Correct 16 ms 23808 KB Output is correct
21 Correct 16 ms 23732 KB Output is correct
22 Correct 15 ms 23764 KB Output is correct
23 Correct 12 ms 23764 KB Output is correct
24 Correct 12 ms 23788 KB Output is correct
25 Correct 13 ms 23912 KB Output is correct
26 Correct 12 ms 23800 KB Output is correct
27 Correct 13 ms 23836 KB Output is correct
28 Correct 13 ms 23812 KB Output is correct
29 Correct 13 ms 24020 KB Output is correct
30 Correct 13 ms 23992 KB Output is correct
31 Correct 13 ms 23892 KB Output is correct
32 Correct 12 ms 23764 KB Output is correct
33 Correct 12 ms 23804 KB Output is correct
34 Correct 12 ms 23772 KB Output is correct
35 Correct 50 ms 29076 KB Output is correct
36 Correct 14 ms 24292 KB Output is correct
37 Correct 48 ms 30028 KB Output is correct
38 Correct 38 ms 33408 KB Output is correct
39 Correct 408 ms 82440 KB Output is correct
40 Correct 378 ms 82196 KB Output is correct
41 Correct 152 ms 82152 KB Output is correct
42 Correct 373 ms 82356 KB Output is correct
43 Runtime error 322 ms 102400 KB Execution killed with signal 9
44 Halted 0 ms 0 KB -