oj.uz

Submission #218553

# Submission time Handle Problem Language Result Execution time Memory
218553 2020-04-02T09:29:20 Z Sho10 Awesome Arrowland Adventure (eJOI19_adventure) C++14
100 / 100
 141 ms 39140 KB 
/*
ID: Sho10
LANG: C++
*/
#include <bits/stdc++.h> //Andrei Alexandru a.k.a Sho10
#define ll long long int
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#define all(a) (a).begin(), (a).end()
#define sz size
#define f first
#define s second
#define pb push_back
#define er erase
#define in insert
#define mp make_pair
#define pi pair
#define rc(s) return cout<<s,0
#define endl '\n'
#define mod 1000000007
#define PI 3.14159265359
#define CODE_START  ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;
ll n,m;
char c[505][505];
vector<pair<pair<ll,ll>,ll>>v[505][505];
ll viz[505][505];
char directii[]={'N','E','S','W','N','E','S','W'};
void edge(ll i,ll j){
if(c[i][j]=='X'){
    return;
}
ll pos=0;
while(directii[pos]!=c[i][j]) ++pos;
ll cnt=-1;
for(ll t=1;t<=4;t++)
{
    ++cnt;
    if(directii[pos]=='E'||directii[pos]=='W'){
            if(directii[pos]=='E'&&j<m){
                v[i][j].pb({{i,j+1},cnt});
            }else if(directii[pos]=='W'&&j>1){
            v[i][j].pb({{i,j-1},cnt});
            }
}else {
if(directii[pos]=='N'&&i>1){
        v[i][j].pb({{i-1,j},cnt});
}else if(directii[pos]=='S'&&i<n){
v[i][j].pb({{i+1,j},cnt});
}
}
pos++;
}
}
ll sol(){
ll x=1,y=1;
viz[1][1]=1;
priority_queue<pair<int,pair<int,int>>,vector<pair<int,pair<int,int>>>,greater<pair<int,pair<int,int>>>>q;
for(auto it:v[1][1]){
    q.push({it.s,{it.f.f,it.f.s}});
}
while(q.size()&&(q.top().s.f!=n || q.top().s.s!=m)){
      auto it=q.top();
      ll x=it.s.f;
      ll y=it.s.s;
      if(viz[x][y]==1){
        q.pop();
        continue;
      }
      q.pop();
      ll val=it.f;
      for(auto it1:v[x][y]){
        if(viz[it1.f.f][it1.f.s]==0){
            q.push({val+it1.s,{it1.f.f,it1.f.s}});
        }
      }
       viz[x][y]=1;
}
if(q.empty()==true){
       return -1;
      }
          return q.top().f;
}
int32_t main(){
CODE_START;
cin>>n>>m;
for(ll i=1;i<=n;i++)
    for(ll j=1;j<=m;j++)
{
    cin>>c[i][j];
    edge(i,j);
}
cout<<sol();
}

Compilation message

adventure.cpp: In function 'long long int sol()':
adventure.cpp:56:4: warning: unused variable 'x' [-Wunused-variable]
 ll x=1,y=1;
    ^
adventure.cpp:56:8: warning: unused variable 'y' [-Wunused-variable]
 ll x=1,y=1;
        ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 6400 KB Output is correct
2 Correct 8 ms 6400 KB Output is correct
3 Correct 8 ms 6400 KB Output is correct
4 Correct 8 ms 6400 KB Output is correct
5 Correct 8 ms 6400 KB Output is correct
6 Correct 8 ms 6400 KB Output is correct
7 Correct 7 ms 6272 KB Output is correct
8 Correct 8 ms 6400 KB Output is correct
9 Correct 8 ms 6400 KB Output is correct
10 Correct 11 ms 6400 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 6400 KB Output is correct
2 Correct 8 ms 6400 KB Output is correct
3 Correct 8 ms 6400 KB Output is correct
4 Correct 8 ms 6400 KB Output is correct
5 Correct 8 ms 6400 KB Output is correct
6 Correct 8 ms 6400 KB Output is correct
7 Correct 7 ms 6272 KB Output is correct
8 Correct 8 ms 6400 KB Output is correct
9 Correct 8 ms 6400 KB Output is correct
10 Correct 11 ms 6400 KB Output is correct
11 Correct 8 ms 6400 KB Output is correct
12 Correct 8 ms 6400 KB Output is correct
13 Correct 8 ms 6400 KB Output is correct
14 Correct 8 ms 6400 KB Output is correct
15 Correct 8 ms 6400 KB Output is correct
16 Correct 8 ms 6400 KB Output is correct
17 Correct 8 ms 6400 KB Output is correct
18 Correct 8 ms 6400 KB Output is correct
19 Correct 8 ms 6400 KB Output is correct
20 Correct 8 ms 6528 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 6400 KB Output is correct
2 Correct 8 ms 6400 KB Output is correct
3 Correct 8 ms 6400 KB Output is correct
4 Correct 8 ms 6400 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 6400 KB Output is correct
2 Correct 8 ms 6400 KB Output is correct
3 Correct 8 ms 6400 KB Output is correct
4 Correct 9 ms 6400 KB Output is correct
5 Correct 8 ms 6528 KB Output is correct
6 Correct 9 ms 6400 KB Output is correct
7 Correct 8 ms 6400 KB Output is correct
8 Correct 8 ms 6400 KB Output is correct
9 Correct 8 ms 6400 KB Output is correct
10 Correct 8 ms 6400 KB Output is correct

Subtask #5
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 6400 KB Output is correct
2 Correct 8 ms 6400 KB Output is correct
3 Correct 8 ms 6400 KB Output is correct
4 Correct 8 ms 6400 KB Output is correct
5 Correct 8 ms 6400 KB Output is correct
6 Correct 8 ms 6400 KB Output is correct
7 Correct 7 ms 6272 KB Output is correct
8 Correct 8 ms 6400 KB Output is correct
9 Correct 8 ms 6400 KB Output is correct
10 Correct 11 ms 6400 KB Output is correct
11 Correct 8 ms 6400 KB Output is correct
12 Correct 8 ms 6400 KB Output is correct
13 Correct 8 ms 6400 KB Output is correct
14 Correct 8 ms 6400 KB Output is correct
15 Correct 8 ms 6400 KB Output is correct
16 Correct 8 ms 6400 KB Output is correct
17 Correct 8 ms 6400 KB Output is correct
18 Correct 8 ms 6400 KB Output is correct
19 Correct 8 ms 6400 KB Output is correct
20 Correct 8 ms 6528 KB Output is correct
21 Correct 8 ms 6400 KB Output is correct
22 Correct 8 ms 6400 KB Output is correct
23 Correct 8 ms 6400 KB Output is correct
24 Correct 8 ms 6400 KB Output is correct
25 Correct 8 ms 6400 KB Output is correct
26 Correct 8 ms 6400 KB Output is correct
27 Correct 8 ms 6400 KB Output is correct
28 Correct 9 ms 6400 KB Output is correct
29 Correct 8 ms 6528 KB Output is correct
30 Correct 9 ms 6400 KB Output is correct
31 Correct 8 ms 6400 KB Output is correct
32 Correct 8 ms 6400 KB Output is correct
33 Correct 8 ms 6400 KB Output is correct
34 Correct 8 ms 6400 KB Output is correct
35 Correct 19 ms 8576 KB Output is correct
36 Correct 9 ms 6528 KB Output is correct
37 Correct 23 ms 9216 KB Output is correct
38 Correct 17 ms 10112 KB Output is correct
39 Correct 141 ms 30968 KB Output is correct
40 Correct 137 ms 30712 KB Output is correct
41 Correct 61 ms 28664 KB Output is correct
42 Correct 141 ms 30840 KB Output is correct
43 Correct 124 ms 39140 KB Output is correct
44 Correct 60 ms 28792 KB Output is correct