Submission #1151543

#	Time	Username	Problem	Language	Result	Execution time	Memory
1151543		dobri_oke	Nautilus (BOI19_nautilus)	C++20	0 / 100	2 ms	320 KiB

nautilus

//#pragma GCC target ("avx2")   
//#pragma GCC optimize ("Ofast")   
#include <bits/stdc++.h>   
using namespace std;  
#define int long long  
#define F first 
#define S second 
#define pb push_back 
const int N = 1e3+100, NN=26;
const int mod=1e9+7;
//int gcd(int a, int b) { if (b == 0) return a; else return gcd(b, a % b); }
//int lcm(int a, int b) { return a / gcd(a, b) * b; }
//int binpow(int a,int b){if(!b)return 1; if(b&1)return a*binpow(a,b-1)%mod; int x=binpow(a,b/2); return x*x%mod;}
signed main(){   
    ios_base::sync_with_stdio(0);   
    cin.tie(0);   
    cout.tie(0);
    int r, c, m;
    cin >> r >> c >> m;
    char a[r+1][c+1];
    for(int i=1;i<=r;i++){
        for(int j=1;j<=c;j++) cin >> a[i][j];
    }
    string s;
    cin >> s;
    int ans=0;
    for(int i=1;i<=r;i++){
        for(int j=1;j<=c;j++){
            int ii=i, jj=j, h=0;
            bool b=0;
            while(h<m){
                if(s[h]=='N'){
                    if(ii-1>r || a[ii-1][jj]=='#'){b=1; break;}
                    ii--;
                }
                else if(s[h]=='S'){
                    if(ii+1<1 || a[ii+1][jj]=='#'){b=1; break;}
                    ii++;
                }
                else if(s[h]=='E'){
                    if(jj+1>c || a[ii][jj+1]=='#'){b=1; break;}
                    jj++;
                }
                else{
                    if(jj-1<1 || a[ii][jj-1]=='#'){b=1; break;}
                    jj--;
                }
                h++;
            }
            if(b==0) ans++;
        }   
    }
    cout << ans;
}

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