From 896caa5d3e0dd5dcbef331451de5be5574a0adb8 Mon Sep 17 00:00:00 2001
From: Bohdan Kapliuk <bohdan.kapliuk@gmail.com>
Date: Thu, 14 Nov 2024 14:25:09 +0200
Subject: [PATCH] cv7

---
 a2/binary_search.h | 33 ---------------------------------
 cv7/program.c      | 12 ++++--------
 2 files changed, 4 insertions(+), 41 deletions(-)
 delete mode 100644 a2/binary_search.h

diff --git a/a2/binary_search.h b/a2/binary_search.h
deleted file mode 100644
index 7589424..0000000
--- a/a2/binary_search.h
+++ /dev/null
@@ -1,33 +0,0 @@
-#ifndef BINARY_SEARCH_H
-#define BINARY_SEARCH_H
-
-#include <stddef.h>
-#include <math.h>
-#include <stdio.h>
-
-const int *binary_search(int value, const int *arr, size_t length) {
-    if (length == 0) {
-        return NULL;
-    }
-
-    size_t left = 0;
-    size_t right = length - 1;
-
-    while (left <= right) {
-        size_t middle = left + (right - left) / 2;
-
-        if (arr[middle] == value) {
-            return &arr[middle];
-        } else if (arr[middle] > value) {
-            if (middle == 0) {
-                break;
-            }
-            right = middle - 1;
-        } else {
-            left = middle + 1;
-        }
-    }
-    return NULL;
-}
-
-#endif
\ No newline at end of file
diff --git a/cv7/program.c b/cv7/program.c
index 0cd8271..861bb24 100644
--- a/cv7/program.c
+++ b/cv7/program.c
@@ -14,19 +14,15 @@ struct tree* read_tree(int* counter) {
     char buffer[SIZE];
     memset(buffer, 0, SIZE);
     char* r = fgets(buffer, SIZE, stdin);
+    if(r == NULL){
+        printf("Chybna databaza\n");
+        return 0;
+    }
     if (buffer[0] == '\n') {
         return NULL;
     }
     struct tree* tree = calloc(1, sizeof(struct tree));
-    if(tree == NULL){
-        printf("Chybna databaza\n");
-        exit(0);
-    }
     tree->value = malloc(strlen(buffer) + 1);
-    if(tree->value == NULL){
-        printf("Chybna databaza\n");
-        exit(0);
-    }
     strcpy(tree->value, buffer);
     if (buffer[0] == '*') {
         (*counter)++;