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cv1/program.c

@@ -0,0 +1,98 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#define LINE_LEN 100
+
+typedef struct {
+    char name[LINE_LEN];
+    float price;
+} pizza;
+
+
+int get_line(char *name);
+int get_pizza(pizza *p_item);
+char decode(char t);
+int contain_substr(const char* menu_name, const char* target_name);
+
+
+
+int main() {
+    printf("Zadaj hladanu surovinu:\n");
+    char target_name[LINE_LEN];
+    if (!get_line(target_name)) {
+        exit(EXIT_FAILURE);
+    }
+
+    printf("Zadaj jedalny listok:\n");
+    pizza items[LINE_LEN];
+    int count = 0;
+    while(get_pizza(items + count)) {
+        // printf("%s\n", items[count].name);
+        count++;
+    }
+
+    for(int i = 0; i < count; i++) {
+        if (contain_substr(items[i].name, target_name)) {
+            printf("%s\n", items[i].name);
+            printf("%.2f\n", items[i].price);
+        }
+    }
+    printf("Nacitanych %d poloziek.\n", count);
+    return 0;
+}
+
+int get_line(char *name)
+{
+    memset(name, 0, LINE_LEN);
+    char* r = fgets(name, LINE_LEN, stdin);
+    if (r == NULL || name[1] == 0) {
+        return 0;
+    }
+    int n = strlen(name);
+    if (name[n - 1] == '\n')
+        name[n - 1] = 0;
+    return 1;
+}
+
+int get_pizza(pizza *p_item)
+{
+    int res = get_line(p_item->name);
+    char price_string[LINE_LEN];
+    res += get_line(price_string);
+    if (res != 2) return 0;
+    sscanf(price_string, "%f", &(p_item->price));
+    return 1;
+}
+
+char decode(char t)
+{
+    if(t >= 'A' && t <= 'Z') {
+        return t - 'A' + 'a';
+    }
+    char numbers[] = "0123456789";
+    char letters[] = "oizeasbtbq";
+    for (int i = 0; i < 10; i++){
+        if (t == numbers[i]){
+            return letters[i];
+        }
+    }
+    return t;
+}
+
+int contain_substr(const char* menu_name, const char* target_name)
+{
+    int len_str = strlen(menu_name);
+    int len_sub = strlen(target_name);
+    for(int i = 0; i <= len_str - len_sub; i++) {
+        int flag = 1;
+        for(int j = 0; flag == 1 && j < len_sub; j++) {
+            if (decode(menu_name[i + j]) != decode(target_name[j])) {
+                flag = 0;
+            }
+        }
+        if (flag) {
+            return 1;
+        }
+    }
+    return 0;
+}