Submission #927507

#	Time	Username	Problem	Language	Result	Execution time	Memory
927507		Sir_Ahmed_Imran	Nautilus (BOI19_nautilus)	C++17	66 / 100	56 ms	262144 KiB

nautilus

                              ///~~~LOTA~~~///
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define append push_back
#define add insert
#define nl "\n"
#define ff first
#define ss second
#define pii pair<int,int>
#define all(x) (x).begin(),(x).end()
#define L0TA ios_base::sync_with_stdio(false);cin.tie(NULL)
#define N 502
#define M 5001
char a[N][N];
bool dp[N][N][M];
void solve(){
    char r;
    int n,m,o,s;
    cin>>n>>m>>o;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
            cin>>a[i][j];
            dp[i][j][0]=(a[i][j]=='.');
        }
    }
    s=0;
    for(int k=1;k<=o;k++){
        cin>>r;
        for(int i=1;i<=n;i++){
            for(int j=1;j<=m;j++){
                if(a[i][j]=='#') continue;
                if(r=='?'){
                    if(dp[i+1][j][k-1]) dp[i][j][k]=1;
                    if(dp[i][j-1][k-1]) dp[i][j][k]=1;
                    if(dp[i-1][j][k-1]) dp[i][j][k]=1;
                    if(dp[i][j+1][k-1]) dp[i][j][k]=1;
                }
                if(r=='N' && dp[i+1][j][k-1])
                    dp[i][j][k]=1;
                if(r=='E' && dp[i][j-1][k-1])
                    dp[i][j][k]=1;
                if(r=='S' && dp[i-1][j][k-1])
                    dp[i][j][k]=1;
                if(r=='W' && dp[i][j+1][k-1])
                    dp[i][j][k]=1;
                if(dp[i][j][o]) s++;
            }
        }
    }
    cout<<s;
}
int main(){
    L0TA;
    solve();
    return 0;
}

• Subtask 1: 29 / 29
• Subtask 2: 37 / 37
• Subtask 3: 0 / 34