From d2f32470b6f36b20e80a55de8af62d64b04c8fcb Mon Sep 17 00:00:00 2001
From: st529yr <simona.tancakova@student.tuke.sk>
Date: Wed, 20 Mar 2024 15:45:47 +0100
Subject: [PATCH] funguje

---
 cv5/program.c | 54 ++++++++++++++++++++++-----------------------------
 1 file changed, 23 insertions(+), 31 deletions(-)

diff --git a/cv5/program.c b/cv5/program.c
index 58d6447..0f4be4a 100644
--- a/cv5/program.c
+++ b/cv5/program.c
@@ -5,73 +5,65 @@
 #define MAX_NAME_LENGTH 100
 #define MAX_BUFFER_LENGTH 256
 
-// Štruktúra pre uchovanie informácií o študentovi
+// Structure to store student information
 typedef struct {
     char name[MAX_NAME_LENGTH];
     int votes;
 } Student;
 
-// Porovnávacia funkcia pre zoradenie študentov podľa počtu hlasov a mena
+// Comparison function for sorting students by votes and name
 int compare_students(const void *a, const void *b) {
     const Student *student_a = (const Student *)a;
     const Student *student_b = (const Student *)b;
 
-    // Najprv porovnajte počet hlasov
+    // First compare by number of votes
     if (student_a->votes != student_b->votes) {
-        return student_b->votes - student_a->votes; // Zoradiť zostupne
+        return student_b->votes - student_a->votes; // Sort in descending order
     }
 
-    // Ak majú rovnaký počet hlasov, porovnajte podľa mena
+    // If votes are tied, compare lexicographically by name
     return strcmp(student_a->name, student_b->name);
 }
 
 int main() {
-    // Inicializácia poľa študentov
+    // Initialize array to store students
     Student students[MAX_BUFFER_LENGTH];
     int num_students = 0;
 
-    // Načítanie hlasov zo štandardného vstupu
+    // Read votes from standard input
     char buffer[MAX_BUFFER_LENGTH];
     while (fgets(buffer, sizeof(buffer), stdin) != NULL) {
-        // Načítajte počet hlasov a meno študenta
-        char *token = strtok(buffer, "\x20");
-        if (token == NULL) {
-            fprintf(stderr, "Chyba: Neplatný formát vstupu.\n");
-            return 0;
-        }
-        int votes = atoi(token);
-
-        token = strtok(NULL, "\n");
-        if (token == NULL) {
-            fprintf(stderr, "Chyba: Neplatný formát vstupu.\n");
-            return 0;
-        }
+        // Read number of votes and student's name
+        int votes;
         char name[MAX_NAME_LENGTH];
-        strncpy(name, token, MAX_NAME_LENGTH);
+        if (sscanf(buffer, "%d %99[^\n]", &votes, name) != 2) {
+            fprintf(stderr, "Error: Invalid input format.\n");
+            return 1;
+        }
 
-        // Uložte študenta do poľa
+        // Store student in array
         strncpy(students[num_students].name, name, MAX_NAME_LENGTH);
         students[num_students].votes = votes;
         num_students++;
 
-        // Kontrola prekročenia maximálnej veľkosti poľa študentov
+        // Check for exceeding maximum number of students
         if (num_students >= MAX_BUFFER_LENGTH) {
-            fprintf(stderr, "Chyba: Príliš veľa študentov.\n");
-            return 0;
+            fprintf(stderr, "Error: Too many students.\n");
+            return 1;
         }
     }
 
-    // Ak neboli načítané žiadne dáta, vypíšte chybovú správu
+    // Print error message if no records were retrieved
     if (num_students == 0) {
-        fprintf(stderr, "Chyba: Žiadne záznamy načítané.\n");
-        return 0;
+        fprintf(stderr, "Error: No records retrieved.\n");
+        return 1;
     }
 
-    // Zoradenie študentov podľa počtu hlasov a mena
+    // Sort students by number of votes and name
     qsort(students, num_students, sizeof(Student), compare_students);
 
-    // Výpis výsledkov
-    printf("Vysledky:\n");
+    // Print results
+    printf("Results:\n");
     for (int i = 0; i < num_students; i++) {
         printf("%d %s\n", students[i].votes, students[i].name);
     }