From 26394d7c294e10a0e8b2cdefc8936cba7c36390b Mon Sep 17 00:00:00 2001
From: Matuush <matus1@pull.cz>
Date: Thu, 12 Dec 2024 13:16:52 +0100
Subject: [PATCH] A small optimizaiton of empty_color calculating

---
 game.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/game.cpp b/game.cpp
index 964f74f..215c9a2 100644
--- a/game.cpp
+++ b/game.cpp
@@ -85,6 +85,7 @@ void Game::must_be(int n, int must_col) {
 void Game::empty_color(int col) {
 	for(int n = 0; n < N; n++)
 		possible[n][col] = 0;
+	empty_colors[col] = true;
 }
 
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