du1/program.c

@@ -1,116 +0,0 @@
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <ctype.h>
-
-#define LINESIZE 100
-#define MAX_ITEMS 100
-
-struct pizza {
-    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) {
-        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, FILE* stream) {
-    char line[LINESIZE];
-    char price_line[LINESIZE];
-    
-    if (fgets(line, LINESIZE, stream) == NULL) {
-        return 0;
-    }
-    
-    line[strcspn(line, "\n")] = 0;
-    
-    if (fgets(price_line, LINESIZE, stream) == NULL) {
-        return 0;
-    }
-    
-    char* endptr;
-    float value = strtof(price_line, &endptr);
-    
-    if (endptr == price_line || value == 0.0f) {
-        return 0;
-    }
-    
-    strcpy(item->name, line);
-    item->prize = value;
-    
-    return 1;
-}
-
-int main() {
-    char search_term[LINESIZE];
-    struct pizza items[MAX_ITEMS];
-    int item_count = 0;
-    
-    printf("Zadaj hladanu surovinu:\n");
-    if (fgets(search_term, LINESIZE, stdin) == NULL) {
-        printf("Chyba pri čítaní hľadaného reťazca\n");
-        return 1;
-    }
-    
-    search_term[strcspn(search_term, "\n")] = 0;
-    
-    printf("Zadaj jedalny listok:\n");
-    
-    while (item_count < MAX_ITEMS && read_pizza(&items[item_count], stdin)) {
-        item_count++;
-    }
-    
-    for (int i = 0; i < item_count; i++) {
-        if (search_string(items[i].name, search_term) != -1) {
-            printf("%s\n", items[i].name);
-            printf("%.2f\n", items[i].prize);
-        }
-    }
-    
-    printf("Nacitanych %d poloziek.\n", item_count);
-    
-    return 0;
-}

du2/program.c

@@ -1,55 +1,52 @@
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
-#include <ctype.h>
 
-#define MAX_PIZZ 1000
-#define MAX_NAZOV 101
+#define MAX 1000
+#define SIZE 101
 
-typedef struct {
-    char nazov[MAX_NAZOV];
-    double cena;
-} Pizza;
-
-int porovnaj(const void *a, const void *b) {
-    const Pizza *p1 = (const Pizza *)a;
-    const Pizza *p2 = (const Pizza *)b;
-
-    if (p1->cena < p2->cena) return -1;
-    if (p1->cena > p2->cena) return 1;
-
-    return strcasecmp(p1->nazov, p2->nazov);
-}
+struct pizza {
+    char name[SIZE];
+    float price;
+};
 
 int main() {
-    Pizza zoznam[MAX_PIZZ];
-    int n = 0;
+    struct pizza list[MAX];
+    int count = 0;
+
+    char name[SIZE];
+    char price_str[SIZE];
+    float price;
 
     while (1) {
-        if (!fgets(zoznam[n].nazov, MAX_NAZOV, stdin))
-            break;
+        if (fgets(name, SIZE, stdin) == NULL) break;
+        name[strcspn(name, "\n")] = 0;
+        if (strlen(name) == 0) break;
+        if (fgets(price_str, SIZE, stdin) == NULL) break;
+        price_str[strcspn(price_str, "\n")] = 0;
+        if (sscanf(price_str, "%f", &price) != 1) break;
+        if (price <= 0) break;
 
-        zoznam[n].nazov[strcspn(zoznam[n].nazov, "\n")] = '\0';
-
-        if (strlen(zoznam[n].nazov) == 0)
-            break;
-
-        char riadok[50];
-        if (!fgets(riadok, sizeof(riadok), stdin))
-            break;
-
-        if (sscanf(riadok, "%lf", &zoznam[n].cena) != 1)
-            break;
-
-        n++;
-        if (n >= MAX_PIZZ) break;
+        strcpy(list[count].name, name);
+        list[count].price = price;
+        count++;
+        if (count >= MAX) break;
     }
 
-    qsort(zoznam, n, sizeof(Pizza), porovnaj);
-
-    for (int i = 0; i < n; i++) {
-        printf("%s\n%.6f\n", zoznam[i].nazov, zoznam[i].cena);
+    for (int i = 0; i < count - 1; i++) {
+        for (int j = 0; j < count - i - 1; j++) {
+            if (list[j].price > list[j + 1].price ||
+               (list[j].price == list[j + 1].price && strcmp(list[j].name, list[j + 1].name) > 0)) {
+                struct pizza temp = list[j];
+                list[j] = list[j + 1];
+                list[j + 1] = temp;
+            }
+        }
+    }
+    for (int i = 0; i < count; i++) {
+        printf("%s\n%.6f\n", list[i].name, list[i].price);
     }
 
     return 0;
 }
+

du3/program.c

@@ -1,6 +1,6 @@
+#include <string.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 
 #define STACK_SIZE 10
 
@@ -9,75 +9,21 @@ struct stack {
    int size;
 };
 
-void print_stack(struct stack *s) {
-   for (int i = 0; i < s->size; i++) {
-      printf("%.2f ", s->values[i]);
-   }
-   printf("\n");
+void push_stack(float value, struck stack *s){
+   if (s->size >=STACK_SIZE){
+      printf("Zapsinik je plny\n")
+      exit (1);
 }
-
-void push_stack(struct stack *s, float value) {
-   if (s->size >= STACK_SIZE) {
-      printf("full stack\n");
-      exit(0);
-   }
-   s->values[s->size] = value;
-   s->size++;
+s->values[s->size] = value;
+s->size++;
 }
 
 float pop_stack(struct stack *s) {
-   if (s->size <= 0) {
-      printf("no input\n");
-      exit(0);
+   if (s->size <= 0){
+      printf("zasobnik je prazdny \n");
+      exit(1);
    }
    s->size--;
    return s->values[s->size];
 }
 
-int main() {
-   struct stack s;
-   s.size = 0;
-
-   char input[100];
-
-   while (scanf("%s", input) == 1) {
-      if (strcmp(input, "+") == 0 || strcmp(input, "-") == 0 ||
-          strcmp(input, "*") == 0 || strcmp(input, "/") == 0) {
-
-         if (s.size < 2) {
-            printf("not enough operands\n");
-            exit(0);
-         }
-
-         float b = pop_stack(&s);
-         float a = pop_stack(&s);
-         float result;
-
-         if (strcmp(input, "/") == 0 && b == 0) {
-            printf("division by zero\n");
-            exit(0);
-         }
-
-         if (strcmp(input, "+") == 0) result = a + b;
-         else if (strcmp(input, "-") == 0) result = a - b;
-         else if (strcmp(input, "*") == 0) result = a * b;
-         else result = a / b;
-
-         push_stack(&s, result);
-         print_stack(&s);
-      } 
-      else {
-         char *endptr;
-         float val = strtof(input, &endptr);
-         if (*endptr != '\0') {
-            printf("bad input\n");
-            exit(0);
-         }
-         push_stack(&s, val);
-         print_stack(&s);
-      }
-   }
-
-   printf("no input\n");
-   return 0;
-}

du4/Makefile

@@ -0,0 +1,13 @@
+CFLAGS= -std=c99 -g -Wall
+
+all: train
+
+%.o: %.c
+	gcc -c -o $@ $< $(CFLAGS)
+
+train: main.o a_train.o
+	gcc main.o a_train.o -o train 
+
+clean:
+	rm *.o train
+

du4/a_train.c

@@ -0,0 +1,18 @@
+#include "a_train.h"
+#include <stdio.h>
+
+struct car* add_car(struct car* first,const char* target) {
+    return NULL;
+}
+dddddddd
+void print_train(struct car* first) {
+}
+
+void cancel_train(struct car* first) {
+}
+
+
+struct car* clear_train(struct car* first, const char* target) {
+	return NULL;
+}
+

du4/a_train.h

@@ -0,0 +1,51 @@
+#ifndef TRAIN_H
+#define TRAIN_H
+#define SIZE 100
+
+/**
+ * Jeden vozen vlaku
+ */
+struct car {
+    /**
+     * Nazov cielovej  stanice
+     */
+    char value[SIZE];
+    /**
+     * Smenik na dalsi vozen
+     */
+    struct car* next;
+};
+
+/**
+ * Prida vozen na koniec vlaku.
+ *
+ * @arg nazov cielovej stanice, ktory sa ma priradit novemu voznu.
+ * @return smernik na zaciatok vlaku.
+ */
+struct car* add_car(struct car* first,const char* target);
+
+
+/**
+ * Vypise vsetky vozne vo vlaku
+ *
+ * @arg smernik na prvy vozen
+ */
+void print_train(struct car* first);
+
+/**
+ * Zrusenie vsetkych voznov vo vlaku.
+ * @arg smernik na prvy vozen
+ */
+void cancel_train(struct car* first);
+
+/**
+ * Vyradenie vsetkych voznov, ktorych cielova stanica je target
+ *
+ * @arg smernik na prvy vozen
+ * @arg cielova stanica, ktora sa ma vyradit z vlaku.
+ * @return smernik na novy prvy vozen
+ *
+ */
+struct car* clear_train(struct car* first,const char* target);
+
+#endif // TRAIN_H

du4/main.c

@@ -0,0 +1,17 @@
+#include "a_train.h"
+#include <stdio.h>
+
+// Testovaci subor pre vlak
+int main(){
+    struct car* train = NULL;
+    train = add_car(train,"Presov");
+    train = add_car(train,"Bratislava");
+    train = add_car(train,"Levoca");
+    train = add_car(train,"Spiska Nova Ves");
+    print_train(train);
+    clear_train(train,"Levoca");
+    print_train(train);
+    cancel_train(train);
+
+    return 0;
+}