From 7d4c3161a2cdb8905c8bd53159d4e0cf810ea54f Mon Sep 17 00:00:00 2001
From: Akhil <akhilselukar.work@gmail.com>
Date: Wed, 2 Oct 2024 23:43:26 +0530
Subject: [PATCH] Fix for issue #1388 - correcting isSafe method in sudoku
 solver.

---
 .../code/src/com/kunal/backtracking/SudokuSolver.java           | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lectures/14-recursion/code/src/com/kunal/backtracking/SudokuSolver.java b/lectures/14-recursion/code/src/com/kunal/backtracking/SudokuSolver.java
index 577ecb81d..81904a893 100644
--- a/lectures/14-recursion/code/src/com/kunal/backtracking/SudokuSolver.java
+++ b/lectures/14-recursion/code/src/com/kunal/backtracking/SudokuSolver.java
@@ -80,7 +80,7 @@ static boolean isSafe(int[][] board, int row, int col, int num) {
         // check the row
         for (int i = 0; i < board.length; i++) {
             // check if the number is in the row
-            if (board[row][i] == num) {
+            if (board[i][col] == num) {
                 return false;
             }
         }