oj.uz

Submission #1029290

# Submission time Handle Problem Language Result Execution time Memory
1029290 2024-07-20T15:27:53 Z Marco_Escandon Nautilus (BOI19_nautilus) C++11
66 / 100
 975 ms 262144 KB 
#include<bits/stdc++.h>
using namespace std;
#pragma GCC optimize("Ofast")
#pragma optimize("O3")
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:4: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    4 | #pragma optimize("O3")
      | 
nautilus.cpp: In function 'll sol(ll, ll, ll)':
nautilus.cpp:25:9: 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]
   25 |     if(p==s.size()) return 1;
      |        ~^~~~~~~~~~
nautilus.cpp: In function 'std::pair<int, int> d(char)':
nautilus.cpp:20:1: warning: control reaches end of non-void function [-Wreturn-type]
   20 | }
      | ^

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 91 ms 51600 KB Output is correct
2 Correct 17 ms 18524 KB Output is correct
3 Correct 9 ms 16220 KB Output is correct
4 Correct 8 ms 14936 KB Output is correct
5 Correct 8 ms 15012 KB Output is correct
6 Correct 8 ms 14424 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 91 ms 51600 KB Output is correct
2 Correct 17 ms 18524 KB Output is correct
3 Correct 9 ms 16220 KB Output is correct
4 Correct 8 ms 14936 KB Output is correct
5 Correct 8 ms 15012 KB Output is correct
6 Correct 8 ms 14424 KB Output is correct
7 Correct 117 ms 54868 KB Output is correct
8 Correct 23 ms 20828 KB Output is correct
9 Correct 9 ms 15688 KB Output is correct
10 Correct 8 ms 14940 KB Output is correct
11 Correct 7 ms 14428 KB Output is correct
12 Correct 147 ms 55636 KB Output is correct
13 Correct 120 ms 45568 KB Output is correct
14 Correct 74 ms 34420 KB Output is correct
15 Correct 10 ms 15708 KB Output is correct
16 Correct 7 ms 14428 KB Output is correct
17 Correct 184 ms 55976 KB Output is correct
18 Correct 177 ms 47784 KB Output is correct
19 Correct 38 ms 29020 KB Output is correct
20 Correct 17 ms 19676 KB Output is correct
21 Correct 8 ms 14684 KB Output is correct

Subtask #3
0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 91 ms 51600 KB Output is correct
2 Correct 17 ms 18524 KB Output is correct
3 Correct 9 ms 16220 KB Output is correct
4 Correct 8 ms 14936 KB Output is correct
5 Correct 8 ms 15012 KB Output is correct
6 Correct 8 ms 14424 KB Output is correct
7 Correct 117 ms 54868 KB Output is correct
8 Correct 23 ms 20828 KB Output is correct
9 Correct 9 ms 15688 KB Output is correct
10 Correct 8 ms 14940 KB Output is correct
11 Correct 7 ms 14428 KB Output is correct
12 Correct 147 ms 55636 KB Output is correct
13 Correct 120 ms 45568 KB Output is correct
14 Correct 74 ms 34420 KB Output is correct
15 Correct 10 ms 15708 KB Output is correct
16 Correct 7 ms 14428 KB Output is correct
17 Correct 184 ms 55976 KB Output is correct
18 Correct 177 ms 47784 KB Output is correct
19 Correct 38 ms 29020 KB Output is correct
20 Correct 17 ms 19676 KB Output is correct
21 Correct 8 ms 14684 KB Output is correct
22 Runtime error 975 ms 262144 KB Execution killed with signal 9
23 Halted 0 ms 0 KB -