Lehmät

split = input().split()

x = int(split[1])
y= int(split[0])

map_string = ""

for p in range(1, y+1, 1):
    map_string += input()


map_string = [*map_string.strip()]
counter = 0
inFence = False
cowCounter = 0
wallCount = 0
inWall = False
def flipState():
    global inFence
    if inFence:
        inFence = False
    else:
        inFence = True

#Iterate through all the values of the array
for yCounter in range(0,y,1):
    for xCounter in range(0,x,1):
        #Checks if iterating through pen wall, and skips accordingly
        if map_string[counter] == "*" and map_string[counter+1]=="*":
            #Making sure if no outline around pen
            if map_string[counter] == "*" and map_string[counter+1]=="*" and map_string[counter+2]=="*":
                yCounter +=1
                counter = (yCounter)*x
                wallCount +=1
                inWall = True
                if(wallCount > 1):
                    break
        if(not inWall):
            #Checks if current character is a wall and flips the state accordingly
            if (map_string[counter-1] != "*" and map_string[counter] == "*" and map_string[counter+1] != "*"):
                flipState()
            elif (map_string[counter-1] == "*" and map_string[counter] == "*" and map_string[counter+1] != "*"):
                flipState()
            elif (map_string[counter] == "*"):
                flipState()
        
        #Looks for cows
            if inFence and map_string[counter] == "@":
                cowCounter +=1
            counter += 1
        else:
            inWall = False



print(cowCounter)

Test 1

Group: 1, 2

Verdict: ACCEPTED

Test 2

Group: 1, 2

Verdict: ACCEPTED

Test 3

Group: 1, 2

Verdict: ACCEPTED

Test 4

Group: 1, 2

Verdict: ACCEPTED

Test 5

Group: 1, 2

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: ACCEPTED

Test 7

Group: 2

Verdict: ACCEPTED

Test 8

Group: 2

Verdict: ACCEPTED

Test 9

Group: 2

Verdict: ACCEPTED