Added new kattis solution

Author: Vic-Nas

kattis/TicTacToe/tictactoe.vn.py

@@ -0,0 +1,50 @@
+
+grid = ["" for _ in range(9)]
+
+for case in range(int(input())):
+    i = 0
+    for _ in range(3):
+        for cell in input():
+            grid[i] = cell
+            i += 1
+            
+    try: input()
+    except: pass # No empty lne after test case
+    
+    wins = {
+        "O": False,
+        "X": False,
+        ".": None
+    }
+    
+    # Horiz
+    for i in range(0, 7, 3):
+        if grid[i]==grid[i+1]==grid[i+2]:
+            wins[grid[i]] = True
+            
+    # Vertical
+    for i in range(3):
+        if grid[i]==grid[i+3]==grid[i+6]:
+            wins[grid[i]] = True
+            
+    # Diag
+    if grid[0]==grid[4]==grid[8]:
+        wins[grid[0]] = True
+    
+    if grid[2]==grid[4]==grid[6]:
+        wins[grid[2]] = True
+    
+    # X wins
+    if wins["X"] and not wins["O"] and grid.count("X")==grid.count("O")+1:
+        print("yes")
+        
+    # X loses
+    elif not wins["X"] and wins["O"] and grid.count("X")==grid.count("O"):
+        print("yes")
+
+    # Undecided
+    elif wins["X"]==wins["O"]==False and 0<=grid.count("X")-grid.count("O")<=1:
+        print("yes")
+    
+    else:
+        print("no")