From 5cd4521951db7d3b1e05c6a9b58b5da5ecc02f7a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Vl=C4=8Dek?= <tomas.vlcek@student.tuke.sk>
Date: Wed, 4 Mar 2026 18:58:32 +0000
Subject: [PATCH] Aktualizovat du1/program.c

---
 du1/program.c | 124 +++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 97 insertions(+), 27 deletions(-)

diff --git a/du1/program.c b/du1/program.c
index e30225d..6eecbac 100644
--- a/du1/program.c
+++ b/du1/program.c
@@ -1,37 +1,107 @@
-#include <assert.h>
+#include <stdlib.h>
 #include <stdio.h>
-int main() {
-    return 0;
-    char riadok[LINE_SIZE];
+#include <string.h>
+#include <ctype.h>
+#include <stdbool.h>
 
+#define LINE_SIZE 128
+
+int main()
+{
+    double vysledok = 0;
+    int poradie = 0;
+
+    char riadok[LINE_SIZE];
     memset(riadok, 0,LINE_SIZE);
-    
-    //zaciatok riadku - resp. zaciatocne pismeno
     char* r = fgets(riadok,LINE_SIZE,stdin);
 
-    if (r == NULL) { exit(EXIT_FAILURE); }
-    
-    while (r != '\0' || r != EOF)
+    if (r == NULL) 
     {
-        if (r == ' ')  {break;}
-        r++;
-        if ()
-    }#include <assert.h>
-#include <stdio.h>
-int main() {
+        printf("Chyba: Zlyhalo nacitvanaie vstupu.\n");
+        exit(1);
+    }
+
+    double x;
+    if (sscanf(riadok, "%lf", &x) != 1)
+    {
+        printf("Chyba: vstup NIE je cislom.\n");
+        exit(1);
+    }
+
+    bool trebaPrvyKoeficient = true;
+
+    //fgets vracia NULL, ak sa dostane na koniec suboru ('EOF' situsacia)
+    //boze moj, fgets() je vojnovy zlocin v ramci ludskej citatelnosti
+    while (fgets(riadok, LINE_SIZE, stdin) != NULL)
+    {
+        //ak konec riadku
+        if (riadok[0] == '\n')
+        {
+            break;
+        }
+
+        double koeficient;
+        poradie += 1;
+        if (sscanf(riadok, "%lf", &koeficient) == 1)
+        {
+            if (trebaPrvyKoeficient)
+            {
+                vysledok = koeficient;
+                trebaPrvyKoeficient = false;
+            }
+            else
+            {
+                vysledok = (vysledok * x) + koeficient;
+            }
+        }
+        else
+        {
+            printf("Chyba: Neplatny vstup v riadku č.%d\n", poradie);
+            exit(0);
+        }
+
+    }
+    
+    printf("Vysledok je: %.2f\n", vysledok);
+
     return 0;
-    char riadok[LINE_SIZE];
+}
 
-    memset(riadok, 0,LINE_SIZE);
-    
-    //zaciatok riadku - resp. zaciatocne pismeno
-    char* r = fgets(riadok,LINE_SIZE,stdin);
 
-    if (r == NULL) { exit(EXIT_FAILURE); }
+// #include <assert.h>
+// #include <stdio.h>
+// int main() {
+//     return 0;
+//     char riadok[LINE_SIZE];
+
+//     memset(riadok, 0,LINE_SIZE);
     
-    while (r != '\0' || r != EOF)
-    {
-        if (r == ' ')  {break;}
-        r++;
-        if ()
-    }
\ No newline at end of file
+//     //zaciatok riadku - resp. zaciatocne pismeno
+//     char* r = fgets(riadok,LINE_SIZE,stdin);
+
+//     if (r == NULL) { exit(EXIT_FAILURE); }
+    
+//     while (r != '\0' || r != EOF)
+//     {
+//         if (r == ' ')  {break;}
+//         r++;
+//         if ()
+//     }#include <assert.h>
+// #include <stdio.h>
+// int main() {
+//     return 0;
+//     char riadok[LINE_SIZE];
+
+//     memset(riadok, 0,LINE_SIZE);
+    
+//     //zaciatok riadku - resp. zaciatocne pismeno
+//     char* r = fgets(riadok,LINE_SIZE,stdin);
+
+//     if (r == NULL) { exit(EXIT_FAILURE); }
+    
+//     while (r != '\0' || r != EOF)
+//     {
+//         if (r == ' ')  {break;}
+//         r++;
+//         if ()
+//     }
\ No newline at end of file