oj.uz

답안 #331669

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
331669 2020-11-29T13:10:20 Z soroush Nautilus (BOI19_nautilus) C++14
100 / 100
 302 ms 1388 KB 
//*
#pragma GCC optimize("O2")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
//#pragma GCC target("avx,avx2,sse,sse2,fma,tune=native")
//*/
#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef long double ld;
typedef pair<int  ,int > pii;
 
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
 
const ll maxn  = 2000;
const ll mod =1e9+7;
const ld PI = acos((ld)-1);
 
#define pb push_back
#define endl '\n'
#define dokme(x) cout << x , exit(0)
#define migmig ios::sync_with_stdio(false),cin.tie(0),cout.tie(0)
#define ms(x , y) memset(x , y , sizeof x)
ll pw(ll a, ll b, ll md = mod){ll res = 1;while(b){if(b&1){res=(a*res)%md;}a=(a*a)%md;b>>=1;}return(res);}
 
int n , m , t;
string s[maxn];
string p;

bitset < maxn > block[maxn] , dp[2][maxn];

int32_t main(){
    migmig;
	cin >> n >> m >> t;
	for(int i = 0 ; i < n ; i  ++)
		cin >> s[i];
	cin >> p;
	for(int i = 1 ; i <= n ; i ++)
		for(int j = 1; j <= m ; j ++)
			if(s[i - 1][j - 1] == '.')block[i][j] = dp[0][i][j] = 1;
	for(int j = 0 ; j < t ; j ++){
		char cur = p[j];
		for(int i = 1 ; i <= n ; i ++){
			if(cur == 'S')
				dp[1-(j%2)][i] = dp[j%2][i-1]&block[i]; 
			if(cur == 'N')
				dp[1-(j%2)][i] = dp[j%2][i+1]&block[i];
			if(cur == 'W')
				dp[1-(j%2)][i] = (dp[j%2][i] >> 1)&block[i];
			if(cur == 'E')
				dp[1-(j%2)][i] = (dp[j%2][i] << 1)&block[i];
			if(cur == '?')
				dp[1-(j%2)][i] = ((dp[j%2][i] << 1) | (dp[j%2][i] >> 1) | dp[j%2][i+1] | dp[j%2][i-1])&block[i];
		}
	}
	ll ans = 0;
	for(int i = 1 ; i <= n ; i ++)
		ans += dp[t%2][i].count();
	cout << ans;
    return(0);
}

Subtask #1
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 1 ms 492 KB Output is correct

Subtask #2
37.0 / 37.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 2 ms 492 KB Output is correct
11 Correct 2 ms 492 KB Output is correct
12 Correct 2 ms 620 KB Output is correct
13 Correct 2 ms 492 KB Output is correct
14 Correct 2 ms 492 KB Output is correct
15 Correct 2 ms 492 KB Output is correct
16 Correct 2 ms 492 KB Output is correct
17 Correct 2 ms 492 KB Output is correct
18 Correct 2 ms 492 KB Output is correct
19 Correct 2 ms 492 KB Output is correct
20 Correct 2 ms 492 KB Output is correct
21 Correct 2 ms 492 KB Output is correct

Subtask #3
34.0 / 34.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 2 ms 492 KB Output is correct
11 Correct 2 ms 492 KB Output is correct
12 Correct 2 ms 620 KB Output is correct
13 Correct 2 ms 492 KB Output is correct
14 Correct 2 ms 492 KB Output is correct
15 Correct 2 ms 492 KB Output is correct
16 Correct 2 ms 492 KB Output is correct
17 Correct 2 ms 492 KB Output is correct
18 Correct 2 ms 492 KB Output is correct
19 Correct 2 ms 492 KB Output is correct
20 Correct 2 ms 492 KB Output is correct
21 Correct 2 ms 492 KB Output is correct
22 Correct 170 ms 1024 KB Output is correct
23 Correct 166 ms 1264 KB Output is correct
24 Correct 158 ms 1388 KB Output is correct
25 Correct 156 ms 1388 KB Output is correct
26 Correct 155 ms 1388 KB Output is correct
27 Correct 229 ms 1388 KB Output is correct
28 Correct 245 ms 1388 KB Output is correct
29 Correct 231 ms 1388 KB Output is correct
30 Correct 230 ms 1260 KB Output is correct
31 Correct 229 ms 1260 KB Output is correct
32 Correct 299 ms 1260 KB Output is correct
33 Correct 286 ms 1388 KB Output is correct
34 Correct 293 ms 1388 KB Output is correct
35 Correct 295 ms 1388 KB Output is correct
36 Correct 302 ms 1260 KB Output is correct