Submission #1021790

#	Time	Username	Problem	Language	Result	Execution time	Memory
1021790		m5588ohammed	Nautilus (BOI19_nautilus)	C++14	66 / 100	27 ms	8408 KiB

nautilus

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define endl "\n"
int n,m,p,cnt;
char arr[101][101];
int vis[101][101],dp[101][101][101];
string s;
void solve(int i,int j,int k){
    if(i>=n||j>=m||i<0||j<0||arr[i][j]=='#'||dp[i][j][k]==1) return;
    if(k==p){
        if(vis[i][j]!=1) cnt++;
        vis[i][j]=1;
        return;
    }
    dp[i][j][k]=1;
    if(s[k]=='N'||s[k]=='?') solve(i-1,j,k+1);
    if(s[k]=='S'||s[k]=='?') solve(i+1,j,k+1);
    if(s[k]=='E'||s[k]=='?') solve(i,j+1,k+1);
    if(s[k]=='W'||s[k]=='?') solve(i,j-1,k+1);
    return;
}
signed main()
{
    cin>>n>>m>>p;
    for(int i=0;i<n;i++){
        for(int j=0;j<m;j++) cin>>arr[i][j];
    }
    cin>>s;
    for(int i=0;i<n;i++){
        for(int j=0;j<m;j++) solve(i,j,0);
    }
    cout<<cnt<<endl;
    return 0;
}

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