From a20c34c593d4380c615815c3592e48d06ac65a91 Mon Sep 17 00:00:00 2001
From: Oleksandr Hryshchenko <oh735kh@omega.tuke.sk>
Date: Tue, 9 Nov 2021 14:16:25 +0100
Subject: [PATCH] add

---
 a3/a3.c       | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++
 cv4/a_train.c | 67 ++++++++++++++++++++++++++++++++++++++++++------
 2 files changed, 130 insertions(+), 8 deletions(-)
 create mode 100644 a3/a3.c

diff --git a/a3/a3.c b/a3/a3.c
new file mode 100644
index 0000000..5e4fe64
--- /dev/null
+++ b/a3/a3.c
@@ -0,0 +1,71 @@
+#include <stdio.h>
+#include <string.h>
+
+#define SIZE 8
+
+struct pizza{
+	int price;
+	char name[100];
+};
+
+void insertSort(struct pizza array[SIZE]){
+	struct pizza temp;
+	for(int i = 1; i < SIZE; i++){
+		if(array[i].price < array[i-1].price){
+			for(int j = i-1; j >= 0; j--){
+				if(array[i].price > array[j].price){
+					break;
+				}
+				else if(array[i].price == array[j].price){
+					if(strcmp(array[i].name, array[j].name) < 0){
+						temp = array[j];
+						array[j] = array[i];
+						array[i] = temp;
+						i = j;
+					}
+				}
+				else{
+					temp = array[j];
+					array[j] = array[i];
+					array[i] = temp;
+					i = j;
+				}
+			}
+		}
+	}
+}
+
+int main(){
+	struct pizza array[SIZE];
+
+	array[0].price = 5;
+	strcpy(array[0].name, "Cecko Pizza");
+
+	array[1].price = 1;
+	strcpy(array[1].name, "Hacko Pizza");
+
+	array[2].price = 10;
+	strcpy(array[2].name, "Acko Pizza");
+
+	array[3].price = 5;
+	strcpy(array[3].name, "Acko Pizza");
+
+	array[4].price = 5;
+	strcpy(array[4].name, "Becko Pizza");
+
+	array[5].price = 5;
+	strcpy(array[5].name, "Aacko Pizza");
+
+	array[6].price = 8;
+	strcpy(array[6].name, "Becko Pizza");
+
+	array[7].price = 0;
+	strcpy(array[7].name, "Becko Pizza");
+
+	insertSort(array);
+
+	for(int i = 0; i < SIZE; i++)
+		printf("%d %s\n", array[i].price, array[i].name);
+
+	return 0;
+}
\ No newline at end of file
diff --git a/cv4/a_train.c b/cv4/a_train.c
index 3ecfbc8..f456201 100644
--- a/cv4/a_train.c
+++ b/cv4/a_train.c
@@ -1,18 +1,69 @@
-#include "a_train.h"
 #include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "a_train.h"
+struct car* add_car(struct car* first, const char* target){
+    if(!strcmp(target, ""))
+        return NULL;
 
-struct car* add_car(struct car* first,const char* target) {
-    return NULL;
+    if(!first){
+        first = (struct car*)calloc(1, sizeof(struct car));
+        strcpy(first->value, target);
+        first->next = NULL;
+        return first;
+    }
+
+    struct car* temp = first;
+
+    while(temp->next != NULL)
+        temp = temp->next;
+
+    temp->next = (struct car*)calloc(1, sizeof(struct car));
+    strcpy(temp->next->value, target);
+    temp->next->next = NULL;
+    return first;
 }
 
-void print_train(struct car* first) {
+void print_train(struct car* first){
+    struct car* temp = first;
+
+    while(temp != NULL){
+        printf("%s\n", temp->value);
+        temp = temp->next;
+    }
 }
 
-void cancel_train(struct car* first) {
+void cancel_train(struct car* first){
+    if(!first)
+        return;
+
+    struct car* temp = first;
+    struct car* next = temp->next;
+
+    while(next != NULL){
+        next = temp->next;
+        free(temp);
+        temp = next;
+    }
+
+    first = NULL;
 }
 
+struct car* clear_train(struct car* first, const char* target){
+    if(!first || !strcmp(target, ""))
+        return NULL;
 
-struct car* clear_train(struct car* first, const char* target) {
-	return NULL;
-}
+    struct car* temp = first;
+    struct car* next = temp->next;
 
+    while(temp != NULL){
+        next = temp->next;
+        if(!strcmp(temp->value, target))
+            free(temp);
+        temp = next;
+        if(!first)
+            first = temp;
+    }
+
+    return first;
+}
\ No newline at end of file