Tic Tac Toe

CodeChefOpen on judge ↗

We will denote the initial empty Tic Tac Toe grid with nine dots. Whenever X or O plays we fill in an X or an O in the appropriate position. The example below illustrates each grid configuration from the beginning to the end of a game in which X wins. ... X.. X.O X.O X.O X.O X.O X.O ... ... ... ... .O. .O. OO. OO. ... ... ... ..X ..X X.X X.X XXX Your job is to read a grid and to determine whethe

HINT LADDERno hints yet

L1 Observation

L2 Technique

L3 Approach

L4 Pseudo-code

🔒

L5 Full solution

L5 unlocks only if you insist twice

solution.cppC++17

CodeSearch Tutor

Hints, not spoilers — it won’t hand over the full solution unless you insist.

voice by Sarvam AI