From 6f35efdf81ebcfcc7ddaca03e90212d9e1a3b59d Mon Sep 17 00:00:00 2001
From: Lucas Heil <fdai7356@fhfddvz1.rz.hs-fulda.de>
Date: Wed, 7 Feb 2024 17:15:12 +0100
Subject: [PATCH] Commit 15 code

---
 src/main/c/sudoku.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/main/c/sudoku.c b/src/main/c/sudoku.c
index 8f5f0b0..5b76aca 100644
--- a/src/main/c/sudoku.c
+++ b/src/main/c/sudoku.c
@@ -260,6 +260,22 @@ void turnFunction(int grid[SIZE][SIZE]) {
 
 void tipFunction(int grid[SIZE][SIZE]) {
     printf("\nTip function - Choose an option:\n");
+    
+    int option = 0;
+
+    while (true){
+    char tip_str[10];
+        scanf("%s", tip_str);
+
+
+        option = tip_str[0] - '0'; // Convert the first character to an integer
+
+        if ((option >= 1 && option <= 3) && tip_str[1] == '\0') {
+            break;
+        } else {
+            printf("Invalid input. Please enter a number between 1 and 3.\n");
+        }
+    }
 }