oj.uz

Submission #1029288

# Submission time Handle Problem Language Result Execution time Memory
1029288 2024-07-20T15:23:16 Z Marco_Escandon Nautilus (BOI19_nautilus) C++11
66 / 100
 1000 ms 262144 KB 
#include<bits/stdc++.h>
using namespace std;
typedef int ll;
ll dx[]={1, 0, -1, 0};
ll dy[]={0, 1, 0, -1};
char cad[505][505];
string s;
pair<ll,ll> d(char car)
{
    if(car=='N')
        return {1,0};
    if(car=='S')
        return {-1,0};
    if(car=='W')
        return {0,1};
    if(car=='E')
        return {0,-1};
}
vector<vector<unordered_map<ll,ll>>> mapa;
ll sol(ll px, ll py, ll p)
{
    if(cad[px][py]=='#') return -1;
    if(p==s.size()) return 1;
    if(mapa[px][py][p]!=0) return mapa[px][py][p];
    if(s[p]!='?')
    {
        pair<ll,ll> car=d(s[p]);
        return mapa[px][py][p]=sol(car.first+px,py+car.second,p+1);
    }
    ll bs=-1;
    for(int i=0; i<4; i++){
        bs=max(bs,sol(px+dx[i],py+dy[i],p+1));
    }
    return mapa[px][py][p] = bs;
}
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    ll n,m,k;
    cin>>n>>m>>k;
    for(int i=0; i<=n+2; i++)
        for(int j=0;j<=m+2; j++)
            cad[i][j]='#';

    for(int i=1; i<=n; i++)
        for(int j=1; j<=m; j++)
            cin>>cad[i][j];
    mapa.assign(505,vector<unordered_map<ll,ll>>(505));
    cin>>s;
    reverse(s.begin(),s.end());
    ll cont=0;
    for(int i=1; i<=n; i++)
    {
        for(int j=1; j<=m; j++)
        {
            cont+=max(sol(i,j,0),0);
        }
    }
    cout<<cont;
    return 0;
}

Compilation message

nautilus.cpp: In function 'll sol(ll, ll, ll)':
nautilus.cpp:23:9: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |     if(p==s.size()) return 1;
      |        ~^~~~~~~~~~
nautilus.cpp: In function 'std::pair<int, int> d(char)':
nautilus.cpp:18:1: warning: control reaches end of non-void function [-Wreturn-type]
   18 | }
      | ^

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 97 ms 51536 KB Output is correct
2 Correct 20 ms 18524 KB Output is correct
3 Correct 10 ms 16220 KB Output is correct
4 Correct 8 ms 15160 KB Output is correct
5 Correct 10 ms 14684 KB Output is correct
6 Correct 7 ms 14428 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 97 ms 51536 KB Output is correct
2 Correct 20 ms 18524 KB Output is correct
3 Correct 10 ms 16220 KB Output is correct
4 Correct 8 ms 15160 KB Output is correct
5 Correct 10 ms 14684 KB Output is correct
6 Correct 7 ms 14428 KB Output is correct
7 Correct 140 ms 54860 KB Output is correct
8 Correct 25 ms 20892 KB Output is correct
9 Correct 10 ms 15448 KB Output is correct
10 Correct 8 ms 14936 KB Output is correct
11 Correct 7 ms 14424 KB Output is correct
12 Correct 201 ms 55716 KB Output is correct
13 Correct 134 ms 45648 KB Output is correct
14 Correct 71 ms 34384 KB Output is correct
15 Correct 11 ms 15704 KB Output is correct
16 Correct 8 ms 14428 KB Output is correct
17 Correct 181 ms 55904 KB Output is correct
18 Correct 161 ms 47836 KB Output is correct
19 Correct 43 ms 29016 KB Output is correct
20 Correct 24 ms 19544 KB Output is correct
21 Correct 8 ms 14680 KB Output is correct

Subtask #3
0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 97 ms 51536 KB Output is correct
2 Correct 20 ms 18524 KB Output is correct
3 Correct 10 ms 16220 KB Output is correct
4 Correct 8 ms 15160 KB Output is correct
5 Correct 10 ms 14684 KB Output is correct
6 Correct 7 ms 14428 KB Output is correct
7 Correct 140 ms 54860 KB Output is correct
8 Correct 25 ms 20892 KB Output is correct
9 Correct 10 ms 15448 KB Output is correct
10 Correct 8 ms 14936 KB Output is correct
11 Correct 7 ms 14424 KB Output is correct
12 Correct 201 ms 55716 KB Output is correct
13 Correct 134 ms 45648 KB Output is correct
14 Correct 71 ms 34384 KB Output is correct
15 Correct 11 ms 15704 KB Output is correct
16 Correct 8 ms 14428 KB Output is correct
17 Correct 181 ms 55904 KB Output is correct
18 Correct 161 ms 47836 KB Output is correct
19 Correct 43 ms 29016 KB Output is correct
20 Correct 24 ms 19544 KB Output is correct
21 Correct 8 ms 14680 KB Output is correct
22 Execution timed out 1045 ms 262144 KB Time limit exceeded
23 Halted 0 ms 0 KB -