Update cv7/program.c

cv7/program.c

@@ -4,6 +4,7 @@
 #include <assert.h>
 #include <string.h>
 
+
 #define SIZE 200
 
 struct tree
@@ -80,12 +81,15 @@ void destroy_tree(struct tree* tree){
 
 int main(void)
 {
-
     struct tree *tr=NULL;
+    char rrrr[333];
+ 
 
     tr=read_tree();
     printf("Expert z bufetu to vie.\n");
-    if(tr==NULL)
+    fgets(rrrr, 333, stdin);
+
+    if(tr==NULL||rrrr[0]!='\n')
     {
         printf("Chybna databaza\n");
         return 0;
@@ -93,8 +97,7 @@ int main(void)
     int kk;
     char t;
 
-    kk=kkk(tr,0);
-
+    kk=kkk(tr,0);    
     
     printf("Pozna %d druhov ovocia a zeleniny.\n", kk);