Submission #1151579

#	Time	Username	Problem	Language	Result	Execution time	Memory
1151579		Medetbek	Nautilus (BOI19_nautilus)	C++20	29 / 100	2 ms	328 KiB

nautilus

//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
//#pragma GCC optimize("Ofast,unroll-loops,fast-math,O3")
#include <bits/stdc++.h>

#define ll long long
#define int long long
#define all(v) v.begin(), v.end()
#define nl '\n'
#define pb push_back
#define sz(s) (int)(s).size()
#define f first
#define s second
#define boost ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);

using namespace std;
const ll N = 2e5+10, MX = 1e18+1, MOD = 1e9 + 7;
void solve(){
    ll n, m, k;
    cin >> n >> m >> k;
    char a[n+2][m+2];
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= m; j++){
            cin >> a[i][j];
        }
    }
    string s;
    cin >> s;
    ll ans = 0;
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= m; j++){
            if(a[i][j] == '.'){
                ll x = i, y = j;
                ll tr = 1;
                for(int h = 0; h < k; h++){
                    if(s[h] == 'W') y--;
                    if(s[h] == 'E') y++;
                    if(s[h] == 'N') x--;
                    if(s[h] == 'S') x++;
                    if(x > n || y > m || x < 1 || y < 1 || a[x][y] != '.'){
                        tr=0;
                        break;
                    }
                }
                ans += tr;
            }
        }
    }
    cout << ans;
}
main(){
    ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
    ll ql =1;
    //cin>>ql;
	 while(ql--){
	    solve();
	}
}

Compilation message (stderr)

nautilus.cpp:50:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   50 | main(){
      | ^~~~

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