제출 #925762

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
925762		vjudge1	Nautilus (BOI19_nautilus)	C++17	29 / 100	1069 ms	348 KiB

nautilus

/*
no more temmy :(
*/

#include<bits/stdc++.h>
using namespace std;
#pragma GCC optimize("O3,unroll-loops")
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp> 
using namespace __gnu_pbds;
// #include<icecream.hpp>
// using namespace icecream;
#define ll long long
#define int ll
#define ld long double
#define y1 cheza
// mt19937 rng(1983413);
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
template<class T> using ordered_set = tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update>;
const int N=510;
const int M=1e6;
const int B=317;
const int mod=998244353;
const int INF=1e18;
const int lg=64;
const int dx[]={1,-1,0,0};
const int dy[]={0,0,1,-1};
const double eps=1e-9;
int n,m,k;
char a[N][N];
int rv[N];
string s;
bool check(int x,int y){
    if(x<1||y<1||x>n||y>m||a[x][y]=='#')return 0;
    return 1;
}

int add(int xz,int yz,int e){
    if(e==k){
        return 1;
    }
    if(s[e]=='?'){
        for(int i=0;i<4;i++){
            int x=xz+dx[i];
            int y=yz+dy[i];
            if(check(x,y)){
                if(add(x,y,e+1)){
                    return 1;
                }
            }
        }
        return 0;
    }
    xz+=dx[rv[s[e]]];
    yz+=dy[rv[s[e]]];
    if(check(xz,yz)){
        if(add(xz,yz,e+1)){
            return 1;
        }
        return 0;
    }
    return 0;

}
void test(){
    cin>>n>>m>>k;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
            cin>>a[i][j];
        }
    }
    cin>>s;
    reverse(s.begin(),s.end());
    int ans=0;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
            if(a[i][j]=='.'){
                if(add(i,j,0)){
                    ans++;
                    // cout<<i<<' '<<j<<'\n';
                }
            }
        }
    }
    cout<<ans<<'\n';
}
/*

*/  
 
signed main(){
    rv['N']=0;
    rv['S']=1;
    rv['W']=2;
    rv['E']=3;
    // ic.prefix("debug->| ");
    // freopen("input.txt","r",stdin);
    // freopen("output.txt","w",stdout);

    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    // cout.tie(nullptr);
    long long t2=1;
    //  cin>>t2;
    for(int i=1;i<=t2;i++){
        test();
    }
    
    return 0;
 
}

컴파일 시 표준 에러 (stderr) 메시지

nautilus.cpp: In function 'long long int add(long long int, long long int, long long int)':
nautilus.cpp:54:19: warning: array subscript has type 'char' [-Wchar-subscripts]
   54 |     xz+=dx[rv[s[e]]];
      |                   ^
nautilus.cpp:55:19: warning: array subscript has type 'char' [-Wchar-subscripts]
   55 |     yz+=dy[rv[s[e]]];
      |                   ^

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