Submission #2663909


Source Code Expand

h, w = map(int, input().split())
s = [input() for _ in range(h)] 

d = {(i, j):c for i, row in enumerate(s) for j, c in enumerate(row)}

def next_to_black(i, j):
    directions = ((-1, 0), (1, 0), (0, -1), (0, 1))
    surroundings = ((i + a, j + b) for a, b in directions)
    colors = (d.get(cell, '.') for cell in surroundings)
    return any(color == '#' for color in colors)

black_coords = (coord for coord, c in d.items() if c == '#')
paintable = all(next_to_black(*coord) for coord in black_coords)
print('Yes' if paintable else 'No')

Submission Info

Submission Time
Task C - Grid Repainting 2
User zehnpaard
Language Python (3.4.3)
Score 300
Code Size 554 Byte
Status AC
Exec Time 22 ms
Memory 3316 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 3
AC × 13
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All in01.txt, in02.txt, in03.txt, in04.txt, in05.txt, in06.txt, in07.txt, in08.txt, in09.txt, in10.txt, sample_01.txt, sample_02.txt, sample_03.txt
Case Name Status Exec Time Memory
in01.txt AC 22 ms 3316 KB
in02.txt AC 22 ms 3316 KB
in03.txt AC 19 ms 3316 KB
in04.txt AC 19 ms 3316 KB
in05.txt AC 20 ms 3316 KB
in06.txt AC 22 ms 3316 KB
in07.txt AC 21 ms 3316 KB
in08.txt AC 22 ms 3316 KB
in09.txt AC 22 ms 3316 KB
in10.txt AC 21 ms 3316 KB
sample_01.txt AC 17 ms 3064 KB
sample_02.txt AC 17 ms 3064 KB
sample_03.txt AC 17 ms 3064 KB