From d43cfb6a6e8f4a62c152f6d611d1bfaa2df42807 Mon Sep 17 00:00:00 2001
From: Bohdan Yanchyk <bohdan.yanchyk@student.tuke.sk>
Date: Fri, 3 Apr 2020 00:24:29 +0000
Subject: [PATCH] =?UTF-8?q?Aktualizovat=20=E2=80=9Edu4/program.c=E2=80=9C?=
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---
 du4/program.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/du4/program.c b/du4/program.c
index 152c4c7..b1bf4b0 100644
--- a/du4/program.c
+++ b/du4/program.c
@@ -48,9 +48,12 @@ double compare_percent(double a, double b, double eps)
 }
 
 int check(char *str){
+    char symb[5]="*-+/=";
     for(int i =0;i<strlen(str);i++){
-        if(str[i]=='='&&str[i+1]=='='){
-            return 0;
+        for(int k =0;k<5;k++){
+            if(str[i]==symb[k]&&str[i+1]==symb[k]){
+                return 0;
+            }
         }
     }
     return 1;