From 047a97232fecf84ba290c71f07cde7eac0abbfd0 Mon Sep 17 00:00:00 2001
From: Anzhelika Nikolaieva <anzhelika.nikolaieva@student.tuke.sk>
Date: Tue, 10 Oct 2023 18:53:37 +0000
Subject: [PATCH] Update 'cv3/program.c'

---
 cv3/program.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/cv3/program.c b/cv3/program.c
index 1159c93..a42a6ef 100644
--- a/cv3/program.c
+++ b/cv3/program.c
@@ -1,6 +1,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdbool.h>
+#include <string.h>
+
 #define STACK_SIZE 10
 struct stack_glavny {
     float data[STACK_SIZE];
@@ -85,9 +87,9 @@ int main() {
     
     float value;
         
-        if (sscanf(input, "%f", &value) == 1) {
+        if (sscanf(input, "%f", &value) == 1 && strchr(input, '.') == strrchr(input, '.')) {
             if (!push(&stack, value)) {
-                //printf("Chyba: Zásobník je plný.\n");
+                printf("bad input\n");
                 break;
             }
         } else if (input[0] == '+' || input[0] == '-' || input[0] == '*' || input[0] == '/') {