Working solution for L

ttt_tomek.py

@@ -0,0 +1,79 @@
+#!/usr/bin/env python3
+
+def ttt_state(M):
+    row_res = [[0,0],[0,0],[0,0],[0,0]]
+    row_t = [False] * 4
+    col_res = [[0,0],[0,0],[0,0],[0,0]]
+    col_t = [False] * 4
+    diag_res = [[0, 0], [0, 0]]
+    diag_t = [False, False]
+    board_not_full = False
+
+    for i in range(4):
+        for j in range(4):
+            if M[i][j] == '.':
+                board_not_full = True
+                continue
+            inc_r = True
+            inc_c = True
+            if M[i][j] == 'T':
+                inc_r = not row_t[i]
+                inc_c = not col_t[j]
+                row_t[i] = True
+                col_t[j] = True
+            IS = [M[i][j] == 'X' or M[i][j] == 'T', M[i][j] == 'O' or M[i][j] == 'T']
+            for k in range(2):
+                row_res[i][k] += 1 if inc_r and IS[k] else 0
+                col_res[j][k] += 1 if inc_c and IS[k] else 0
+    for i in range(4):
+        j = 3 - i
+        inc_diag = [True, True]
+        if M[i][i] == 'T':
+            inc_diag[0] = not diag_t[0]
+            diag_t[0] = True
+        if M[i][j] == 'T':
+            inc_diag[1] = not diag_t[1]
+            diag_t[1] = True
+        IS = [[M[i][i] == 'X' or M[i][i] == 'T', M[i][i] == 'O' or M[i][i] == 'T'],
+              [M[i][j] == 'X' or M[i][j] == 'T', M[i][j] == 'O' or M[i][j] == 'T']]
+        for k in range(2):
+            for l in range(2):
+                diag_res[k][l] += 1 if inc_diag[k] and IS[k][l] else 0
+
+    x_won = False
+    o_won = False
+    for row in row_res:
+        if row[0] == 4:
+            x_won = True
+        if row[1] == 4:
+            o_won = True
+    for col in col_res:
+        if col[0] == 4:
+            x_won = True
+        if col[1] == 4:
+            o_won = True
+    for i in range(2):
+        if diag_res[i][0] == 4:
+            x_won = True
+        if diag_res[i][1] == 4:
+            o_won = True
+
+    if (x_won and o_won) or (not x_won and not o_won and not board_not_full):
+        return "Draw"
+    elif x_won:
+        return "X won"
+    elif o_won:
+        return "O won"
+    else:
+        return "Game has not completed"
+
+
+if __name__ == "__main__":
+    n = int(input())
+    for i in range(1, n + 1):
+        M = []
+        for j in range(4):
+            M.append(input())
+        print("Case #" + str(i) + ": " + ttt_state(M))
+        if i < n:
+            input()

ttt_tomek.txt

@@ -0,0 +1,30 @@
+6
+XXXT
+....
+OO..
+....
+
+XOXT
+XXOO
+OXOX
+XXOO
+
+XOX.
+OX..
+....
+....
+
+OOXX
+OXXX
+OX.T
+O..O
+
+XXXO
+..O.
+.O..
+T...
+
+OXXX
+XO..
+..O.
+...O