From 76cb8427cb79992b81af8c533ab7d29096a4ffff Mon Sep 17 00:00:00 2001
From: Your Name <you@example.com>
Date: Thu, 16 Oct 2025 02:41:00 +0200
Subject: [PATCH] funguje

---
 du3/program.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/du3/program.c b/du3/program.c
index a2a818a..92217e9 100644
--- a/du3/program.c
+++ b/du3/program.c
@@ -32,7 +32,7 @@ int switch_operators(const char input[])
         return 0;
         break;
     case '/':
-        return 0;
+        return -1;
         break;
     default:
         return 1;
@@ -45,11 +45,6 @@ float pop_stack(struct stack* mystack,const char input[])
     assert(mystack->size>1);
     float val1=mystack->values[mystack->size-2];
     float val2=mystack->values[mystack->size-1];
-    if(val2==0)
-    {
-	    printf("division by zero\n");
-	    return 0;
-    }
     switch (input[0])
     {
     case '+':
@@ -101,8 +96,12 @@ int main()
 				printf("no input\n");
                 continue;
             }
-            if (flag==0)
+            if (flag==0 || flag==-1)
             {
+			if(flag==-1 && mystack.values[mystack.size-1]==0)
+			{
+				return 0;
+			}
                 float op_num=pop_stack(&mystack,input);
                 push_stack(&mystack,op_num);
             }