From ced39964d88a85026cca924d314b2f94fc04600f Mon Sep 17 00:00:00 2001
From: Your Name <you@example.com>
Date: Thu, 2 Oct 2025 20:47:09 +0200
Subject: [PATCH] funguje

---
 du1/program.c | 138 ++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 135 insertions(+), 3 deletions(-)

diff --git a/du1/program.c b/du1/program.c
index e3206d2..6660bb0 100644
--- a/du1/program.c
+++ b/du1/program.c
@@ -1,6 +1,138 @@
-#include<stdio.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdlib.h>
 
-int main()
+#define LINESIZE 100
+#define MAX_PIZZAS 100
+
+struct pizza 
 {
-	return 0;
+    float prize;
+    char name[LINESIZE];
+};
+
+char hacker_script(char c) 
+{
+    if (isupper(c)) 
+    {
+        return tolower(c);
+    }
+    char numbers[]="0123456789";
+    char letters[]="oizeasbtbq";
+    for (int i = 0; i < 10; i++) 
+    {
+        if (c == numbers[i]) {
+            return letters[i];
+        }
+    }
+    return c;
+}
+
+int search_string(const char* heap, const char* needle) 
+{
+    int heap_len=strlen(heap);
+    int needle_len=strlen(needle);
+    if (needle_len>heap_len || needle_len==0) 
+    { 
+        return -1;
+    }
+    for (int i = 0; i <= heap_len - needle_len; i++) 
+    {
+        int found=1;
+        for (int j = 0; j < needle_len; j++) {
+            char h_char=hacker_script(heap[i+j]);
+            char n_char=hacker_script(needle[j]);
+            if (h_char!=n_char) 
+            {
+                found = 0;
+                break;
+            }
+        }
+        if (found) 
+        {
+            return i;
+        }
+    }    
+    return -1; 
+}
+
+int read_pizza(struct pizza* item) 
+{
+    if (item==NULL) 
+    {
+        return 0;
+    }
+    char line[LINESIZE];
+    char line2[LINESIZE];
+    if (fgets(line, LINESIZE, stdin)==NULL) 
+    {
+        return 0;
+    }
+    line[strcspn(line, "\n")]=0;
+    if (fgets(line2, LINESIZE, stdin)==NULL) 
+    {
+        return 0;
+    }
+    char* endptr;
+    float value=strtof(line2, &endptr);
+    if (value<=0.0f || endptr==line2) 
+    {
+        return 0;
+    }
+    item->prize=value;
+    strncpy(item->name, line, LINESIZE-1);
+    item->name[LINESIZE-1]='\0';
+    return 1;
+}
+
+int main() 
+{
+    char search_string_input[LINESIZE];
+    struct pizza jedalny_listok[MAX_PIZZAS];
+    int pocet_poloziek=0;
+    printf("Zadaj hladanu surovinu:\n");
+    if (fgets(search_string_input, LINESIZE, stdin)==NULL) 
+    {
+        return 1;
+    }
+    search_string_input[strcspn(search_string_input, "\n")]=0;
+    printf("Zadaj jedalny listok:\n");
+    char line[LINESIZE];
+    while (pocet_poloziek < MAX_PIZZAS) 
+    {
+        if (fgets(line, LINESIZE, stdin)==NULL) 
+        {
+            break;
+        }
+        if (line[0] == '\n') 
+        {
+            break;
+        }
+        line[strcspn(line, "\n")]=0;
+        strncpy(jedalny_listok[pocet_poloziek].name, line, LINESIZE-1);
+        jedalny_listok[pocet_poloziek].name[LINESIZE-1]='\0';
+        if (fgets(line, LINESIZE, stdin)==NULL) 
+        {
+            break;
+        }
+        char* endptr;
+        float value=strtof(line, &endptr);
+        if (value<=0.0f || endptr==line) 
+        {
+            break;
+        }
+        jedalny_listok[pocet_poloziek].prize=value;
+        pocet_poloziek++;
+    }    
+    for (int i = 0; i < pocet_poloziek; i++) 
+    {
+        if (search_string(jedalny_listok[i].name, search_string_input)!=-1) 
+        {
+            printf("%s\n", jedalny_listok[i].name);
+            printf("%.2f\n", jedalny_listok[i].prize);
+        }
+    }
+    printf("Nacitanych %d poloziek.\n", pocet_poloziek);
+    return 0;
 }