Maalaus

s = input()
s = s.split()
for i in range(len(s)):
    s[i]=int(s[i])
w = []
for i in range(s[0]):
    d = input()
    d = list(d)
    w.append(d)

print(w)
h=[]
for i in range(s[2]):
    l = []
    k = []
    p = input()
    p = p.split()
    for i in range(len(p)):
        p[i]=int(p[i])
    u=w
    o = 0
    l.append([p[0],p[1]])
        
    if p[1]!=p[3] and p[0]!=p[2]: 
        while True:
            print("u: ")
            print(u)
            print("o: ")
            print(o)
            o+=1
            q = 0
            for f in range(len(l)):
                for t in range(s[1]):
                    if u[l[f][0]-1][t]==".":
                        u[l[f][0]-1][t]=o
                        k.append([l[f][0], t])
                        q+=1
                for t in range(s[0]):
                    if u[t][l[f][1]-1]==".":
                        u[l[f][0]-1][t]=o
                        k.append([t, l[f][1]])
                        q+=1
            l=k
            k=[]
            print(u[p[2]-1][p[3]-1])
            if u[p[2]-1][p[3]-1]!=".":
                break
            if q==0:
                o=-1
                break
    h.append(o)
for i in range(len(h)):
    print(h[i])

Test 1 (public)

Group: 1, 3, 4

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 19, in <module>
    p[i]=int(p[i])
ValueError: invalid literal for int() with base 10: 'R'

Test 2 (public)

Group: 3, 4

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 7, in <module>
    d = input()
EOFError

Test 3

Group: 1, 3, 4

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 16, in <module>
    p = input()
EOFError

Test 4

Group: 2, 4

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 7, in <module>
    d = input()
EOFError

Test 5

Group: 2, 4

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 7, in <module>
    d = input()
EOFError

Test 6

Group: 3, 4

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 7, in <module>
    d = input()
EOFError

Test 7

Group: 3, 4

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 7, in <module>
    d = input()
EOFError

Test 8

Group: 4

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 7, in <module>
    d = input()
EOFError

Test 9

Group: 4

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 7, in <module>
    d = input()
EOFError

Test 10

Group: 1, 3, 4

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 19, in <module>
    p[i]=int(p[i])
ValueError: invalid literal for int() with base 10: 'R'

Test 11

Group: 1, 3, 4

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 16, in <module>
    p = input()
EOFError

Test 12

Group: 2, 4

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 19, in <module>
    p[i]=int(p[i])
ValueError: invalid literal for int() with base 10: 'R'

Test 13

Group: 2, 4

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 7, in <module>
    d = input()
EOFError

Test 14

Group: 4

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 7, in <module>
    d = input()
EOFError

Test 15

Group: 4

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 7, in <module>
    d = input()
EOFError

Test 16

Group: 4

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 7, in <module>
    d = input()
EOFError

Test 17

Group: 4

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 7, in <module>
    d = input()
EOFError