oj.uz

Submission #196863

# Submission time Handle Problem Language Result Execution time Memory
196863 2020-01-17T10:17:30 Z arnold518 Nautilus (BOI19_nautilus) C++14
66 / 100
 1000 ms 18660 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 500;
const int MAXM = 5000;

struct Point { int y, x; };
bool operator < (const Point &p, const Point &q) { return pii(p.x, p.y)<pii(q.x, q.y); }
bool operator == (const Point &p, const Point &q) { return pii(p.x, p.y)==pii(q.x, q.y); }

int R, C, M;
char S[MAXN+10][MAXN+10], A[MAXM+10];

int main()
{
	int i, j;

	scanf("%d%d%d", &R, &C, &M);
	for(i=1; i<=R; i++) scanf("%s", S[i]+1);
	scanf("%s", A+1);

	for(i=0; i<=R+1; i++) S[i][0]=S[i][C+1]='#';
	for(i=0; i<=C+1; i++) S[0][i]=S[R+1][i]='#';

	vector<Point> V;
	for(i=1; i<=R; i++) for(j=1; j<=C; j++) if(S[i][j]=='.') V.push_back({i, j});
	for(i=1; i<=M; i++)
	{
		vector<Point> V2;
		for(auto it : V)
		{
			if(A[i]=='N')
			{
				Point nxt={it.y-1, it.x};
				if(S[nxt.y][nxt.x]=='.') V2.push_back(nxt);
			}
			else if(A[i]=='S')
			{
				Point nxt={it.y+1, it.x};
				if(S[nxt.y][nxt.x]=='.') V2.push_back(nxt);
			}
			else if(A[i]=='W')
			{
				Point nxt={it.y, it.x-1};
				if(S[nxt.y][nxt.x]=='.') V2.push_back(nxt);
			}
			else if(A[i]=='E')
			{
				Point nxt={it.y, it.x+1};
				if(S[nxt.y][nxt.x]=='.') V2.push_back(nxt);
			}
			else 
			{
				Point nxt;
				nxt={it.y-1, it.x};
				if(S[nxt.y][nxt.x]=='.') V2.push_back(nxt);
				nxt={it.y+1, it.x};
				if(S[nxt.y][nxt.x]=='.') V2.push_back(nxt);
				nxt={it.y, it.x-1};
				if(S[nxt.y][nxt.x]=='.') V2.push_back(nxt);
				nxt={it.y, it.x+1};
				if(S[nxt.y][nxt.x]=='.') V2.push_back(nxt);
			}
		}
		sort(V2.begin(), V2.end());
		V2.erase(unique(V2.begin(), V2.end()), V2.end());
		V=V2;
	}
	printf("%d", V.size());
}

Compilation message

nautilus.cpp: In function 'int main()':
nautilus.cpp:73:23: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<Point>::size_type {aka long unsigned int}' [-Wformat=]
  printf("%d", V.size());
               ~~~~~~~~^
nautilus.cpp:22:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d", &R, &C, &M);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~
nautilus.cpp:23:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(i=1; i<=R; i++) scanf("%s", S[i]+1);
                      ~~~~~^~~~~~~~~~~~~~
nautilus.cpp:24:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s", A+1);
  ~~~~~^~~~~~~~~~~

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 728 KB Output is correct
2 Correct 4 ms 504 KB Output is correct
3 Correct 3 ms 504 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 2 ms 404 KB Output is correct
6 Correct 2 ms 376 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 728 KB Output is correct
2 Correct 4 ms 504 KB Output is correct
3 Correct 3 ms 504 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 2 ms 404 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 98 ms 1348 KB Output is correct
8 Correct 19 ms 704 KB Output is correct
9 Correct 6 ms 504 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 186 ms 1356 KB Output is correct
13 Correct 140 ms 1112 KB Output is correct
14 Correct 73 ms 780 KB Output is correct
15 Correct 5 ms 456 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 248 ms 1320 KB Output is correct
18 Correct 198 ms 1008 KB Output is correct
19 Correct 52 ms 560 KB Output is correct
20 Correct 14 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct

Subtask #3
0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 728 KB Output is correct
2 Correct 4 ms 504 KB Output is correct
3 Correct 3 ms 504 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 2 ms 404 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 98 ms 1348 KB Output is correct
8 Correct 19 ms 704 KB Output is correct
9 Correct 6 ms 504 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 186 ms 1356 KB Output is correct
13 Correct 140 ms 1112 KB Output is correct
14 Correct 73 ms 780 KB Output is correct
15 Correct 5 ms 456 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 248 ms 1320 KB Output is correct
18 Correct 198 ms 1008 KB Output is correct
19 Correct 52 ms 560 KB Output is correct
20 Correct 14 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Execution timed out 1072 ms 18660 KB Time limit exceeded
23 Halted 0 ms 0 KB -