commit 233adec10fe6ede1c26473b52c412c8aa65f4472
Author: Alina Konoval <alina.konoval@student.tuke.sk>
Date:   Sun Sep 28 11:19:21 2025 +0200

    first commit

diff --git a/du1/program b/du1/program
new file mode 100755
index 0000000..fda8aea
Binary files /dev/null and b/du1/program differ
diff --git a/du1/program.c b/du1/program.c
new file mode 100644
index 0000000..047860d
--- /dev/null
+++ b/du1/program.c
@@ -0,0 +1,70 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+#define SIZE 100
+
+typedef struct {
+    char name[SIZE];
+    float price;
+} Pizza;
+
+void strip_newline(char *s) {
+    size_t n = strlen(s);
+    n && s[n-1]=='\n' ? s[n-1]='\0' : 0;
+}
+
+char normal_char(char c) {
+    char lc = tolower((unsigned char)c);
+    return (lc >= '0' && lc <= '9') ? "oizeasbtbq"[lc - '0'] : lc;
+}
+
+void normal_str(const char *src, char *dst, size_t n) {
+    size_t i;
+    for (i = 0; src[i] && i + 1 < n; i++) dst[i] = normal_char(src[i]);
+    dst[i] = '\0';
+}
+
+int contains(const char *text, const char *pattern) {
+    size_t len_text = strlen(text), len_pat = strlen(pattern);
+    if (len_pat > len_text) return 0;
+
+    for (size_t i = 0; i <= len_text - len_pat; i++)
+        !strncmp(text + i, pattern, len_pat) ? (void)(i = len_text) : 0;
+
+    for (size_t i = 0; i <= len_text - len_pat; i++)
+        if (!strncmp(text + i, pattern, len_pat)) return 1;
+    return 0;
+}
+
+int read_pizza(Pizza *p) {
+    char buf[SIZE];
+    return (!fgets(p->name, SIZE, stdin) || !fgets(buf, SIZE, stdin)) 
+        ? 0 
+        : (strip_newline(p->name), p->price = strtof(buf, NULL), 1);
+}
+
+int main() {
+    char needle[SIZE], needle_norm[SIZE];
+    Pizza p;
+    int total = 0;
+
+    printf("Zadaj hladanu surovinu:\n");
+    if (!fgets(needle, SIZE, stdin)) return printf("Nacitanych 0 poloziek.\n"), 0;
+
+    strip_newline(needle);
+    normal_str(needle, needle_norm, SIZE);
+
+    printf("Zadaj jedalny listok:\n");
+    while (read_pizza(&p)) {
+        total++;
+        char name_norm[SIZE];
+        normal_str(p.name, name_norm, SIZE);
+        contains(name_norm, needle_norm) ? printf("%s\n%.2f\n", p.name, p.price) : 0;
+    }
+
+    printf("Nacitanych %d poloziek.\n", total);
+    return 0;
+}
+
diff --git a/du1/vstup.txt b/du1/vstup.txt
new file mode 100644
index 0000000..4210fa1
--- /dev/null
+++ b/du1/vstup.txt
@@ -0,0 +1,7 @@
+bryndz
+8rynd20va P1zza
+7.50
+Ja8lkov4 Pizza
+6.50
+5penatov3 kal2on3
+8.20