oj.uz

Submission #890380

# Submission time Handle Problem Language Result Execution time Memory
890380 2023-12-21T05:12:26 Z Baizho Nautilus (BOI19_nautilus) C++14
100 / 100
 143 ms 1368 KB 
#include <bits/stdc++.h>
  
#define endl "\n"
#define mp make_pair
#define pb push_back
#define F first
#define S second
#define sz size()
#define rep(i,k,n) for(int i = k ; i <= n ; ++i)
#define per(i,k,n) for(int i = k ; i >= n ; --i)
#define Zymraq() ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#define all(x) x.begin(),x.end()
#define fr(x) freopen(x".in","r",stdin),freopen(x".out","w",stdout)
#define toqta return 0
#define PERMUTE next_permutation
#define no cout<<"No"<<endl;
#define yes cout<<"Yes"<<endl;
#define a() a + 1, a + n + 1  
 
  
using namespace std;
   
typedef long long ll;
typedef unsigned long long ull;
typedef string S;
typedef double ld;
typedef long double lld;
   
const int N = 1e6 + 17;
const int modd = 1e9 + 7;
const int INF = 1e9 - 19;
const int P = 37;
const ll NN = 1e7 + 17;
const ld eps = 1e-19;
const double pi = 3.141592653589793238462643383279 ;
   
 
bool sortbysec(const pair<int,int> &a, const pair<int,int> &b){
    return (a.second < b.second);
}
 
void pre (ll a) {
    cout << fixed << setprecision(a);
    return;
}
 
string s[505];
string a;
int r, c, m;
int ans, el;
 
void solve() {
	cin >> r >> c >> m;
	bitset<500> b[r], bad[r], re, down[r], up[r], left[r], right[r];
	for (int i = 0; i < 500; i ++) re[i] = 0;
	
	for (int i = 0; i < r; i ++) {
		cin >> s[i];
		b[i] = bad[i] = re;
		for (int j = 0; j < c; j ++) {
			b[i][j] = (s[i][j] == '.');
			bad[i][j] = (s[i][j] == '.');
		}
	}
	cin >> a;
	for (int k = 0; k < m; k ++) {
		if (a[k] == 'W') {
			for (int i = 0; i < r; i ++) {
				b[i] = (b[i] >> 1);
				b[i] = b[i] & bad[i];
			}
		}
		if (a[k] == 'E') {
			for (int i = 0; i < r; i ++) {
				b[i] = (b[i] << 1);
				b[i] = b[i] & bad[i];
			}
		}
		if (a[k] == 'N') {
			for (int i = 0; i < r - 1; i ++) {
				b[i] = b[i + 1] & bad[i];
			}
			b[r - 1] = re;
		}
		if (a[k] == 'S') {
			for (int i = r - 1; i > 0; i --) {
				b[i] = b[i - 1] & bad[i];
			}
			b[0] = re;
		}
		if (a[k] == '?') {
			up[0] = re;
			down[r - 1] = re;
			for (int i = 0; i < r; i ++) {
				if (i != 0)
					up[i] = b[i - 1];
				if (i != r - 1)
					down[i] = b[i + 1];
				left[i] = (b[i] >> 1);
				right[i] = (b[i] << 1);
			}
			for (int i = 0; i < r; i ++) {
				b[i] = (((up[i] | down[i]) | right[i]) | left[i]);
				b[i] = b[i] & bad[i];
			}
		}
	}
	for (int i = 0; i < r; i ++) {
		for (int j = 0; j < c; j ++)
			if (b[i][j]) 
				ans ++;
	}
	cout << ans;
	return;
}
 
int main() {
	Zymraq ();	
	solve();
	return 0;
}

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 2 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 2 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 86 ms 1152 KB Output is correct
23 Correct 95 ms 1152 KB Output is correct
24 Correct 86 ms 1112 KB Output is correct
25 Correct 85 ms 1160 KB Output is correct
26 Correct 84 ms 1040 KB Output is correct
27 Correct 115 ms 1148 KB Output is correct
28 Correct 126 ms 1156 KB Output is correct
29 Correct 116 ms 1152 KB Output is correct
30 Correct 117 ms 1148 KB Output is correct
31 Correct 115 ms 1156 KB Output is correct
32 Correct 143 ms 1368 KB Output is correct
33 Correct 142 ms 1152 KB Output is correct
34 Correct 142 ms 1364 KB Output is correct
35 Correct 143 ms 1112 KB Output is correct
36 Correct 140 ms 1364 KB Output is correct