답안 #484500

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
484500 2021-11-03T19:32:44 Z MilosMilutinovic Nautilus (BOI19_nautilus) C++14
100 / 100
61 ms 644 KB
#pragma GCC optimize ("Ofast")
#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,n) for (int i=a;i<n;i++)
#define per(i,a,n) for (int i=n-1;i>=a;i--)
#define pb push_back
#define mp make_pair
#define all(x) (x).begin(),(x).end()
#define fi first
#define se second
#define SZ(x) ((int)(x).size())
typedef vector<int> VI;
typedef long long ll;
typedef pair<int,int> PII;
typedef double db;
mt19937 mrand(random_device{}());
const ll mod=1000000007;
int rnd(int x) { return mrand() % x;}
ll powmod(ll a,ll b) {ll res=1;a%=mod; assert(b>=0); for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;}
ll gcd(ll a,ll b) { return b?gcd(b,a%b):a;}
// head

const int N=505;
int n,m,k;
char s[N],pt[10*N];
bitset<N> g[N],dp[N][2];
int main() {
	scanf("%d%d%d",&n,&m,&k);
	rep(i,1,n+1) {
		scanf("%s",s+1);
		rep(j,1,m+1) g[i][j]=(s[j]=='.'?1:0);
	}
	rep(i,1,n+1) dp[i][0]=g[i];
	scanf("%s",pt+1);
	rep(x,1,k+1) {
		rep(i,1,n+1) dp[i][1]=dp[i][0];
		if (pt[x]=='N') {
			rep(i,1,n+1) dp[i][0]=dp[i+1][1];
		}
		if (pt[x]=='S') {
			rep(i,1,n+1) dp[i][0]=dp[i-1][1];
		}
		if (pt[x]=='W') {
			rep(i,1,n+1) dp[i][0]=(dp[i][1]>>1);
		}
		if (pt[x]=='E') {
			rep(i,1,n+1) dp[i][0]=(dp[i][1]<<1);
		}
		if (pt[x]=='?') {
			rep(i,1,n+1) dp[i][0]=dp[i+1][1];
			rep(i,1,n+1) dp[i][0]|=dp[i-1][1];
			rep(i,1,n+1) dp[i][0]|=(dp[i][1]>>1);
			rep(i,1,n+1) dp[i][0]|=(dp[i][1]<<1);
		}
		rep(i,1,n+1) dp[i][0]&=g[i];
	}
	int ans=0;
	rep(i,1,n+1) ans+=dp[i][0].count();
	printf("%d",ans);
}

Compilation message

nautilus.cpp: In function 'int main()':
nautilus.cpp:28:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |  scanf("%d%d%d",&n,&m,&k);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~
nautilus.cpp:30:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |   scanf("%s",s+1);
      |   ~~~~~^~~~~~~~~~
nautilus.cpp:34:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   34 |  scanf("%s",pt+1);
      |  ~~~~~^~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 23 ms 332 KB Output is correct
23 Correct 26 ms 644 KB Output is correct
24 Correct 25 ms 644 KB Output is correct
25 Correct 30 ms 588 KB Output is correct
26 Correct 35 ms 588 KB Output is correct
27 Correct 46 ms 588 KB Output is correct
28 Correct 33 ms 588 KB Output is correct
29 Correct 33 ms 640 KB Output is correct
30 Correct 32 ms 624 KB Output is correct
31 Correct 31 ms 588 KB Output is correct
32 Correct 38 ms 588 KB Output is correct
33 Correct 39 ms 588 KB Output is correct
34 Correct 44 ms 588 KB Output is correct
35 Correct 61 ms 588 KB Output is correct
36 Correct 38 ms 588 KB Output is correct