funguje

cv5/program.c

@@ -5,36 +5,47 @@
 #define MAX_STUDENTS 100
 #define MAX_NAME_LENGTH 100
 
+// Structure to hold student information (name and votes)
 typedef struct {
-    char name[MAX_NAME_LENGTH];
+    char name[100];
     int votes;
 } Student;
 
+// Function to compare two students based on their votes and names
 int compare_students(const void *a, const void *b) {
     const Student *student1 = (const Student *)a;
     const Student *student2 = (const Student *)b;
     
+    // Sort by number of votes in descending order
     if (student1->votes != student2->votes) {
         return student2->votes - student1->votes;
     } else {
+        // If votes are equal, sort lexicographically by name
         return strcmp(student1->name, student2->name);
     }
 }
 
 int main() {
     char line[256];
-    Student students[MAX_STUDENTS];
+    Student students[100];
     int total_students = 0;
 
+    // Read votes from standard input
     while (fgets(line, sizeof(line), stdin)) {
         int votes;
-        char name[MAX_NAME_LENGTH];
+        char name[100];
         
+        // Parse votes and name from input line
         if (sscanf(line, "%d %99[^\n]", &votes, name) != 2) {
             fprintf(stderr, "Error: Invalid input format.\n");
             return 1;
         }
-        
+        // Check if the votes are positive
+        if (votes <= 0) {
+            fprintf(stderr, "Error: Invalid number of votes.\n");
+            return 1;
+        }
+        // Find if the student is already in the list
         int found = 0;
         for (int i = 0; i < total_students; i++) {
             if (strcmp(students[i].name, name) == 0) {
@@ -44,6 +55,7 @@ int main() {
             }
         }
         
+        // If student not found, add to the list
         if (!found) {
             if (total_students >= MAX_STUDENTS) {
                 fprintf(stderr, "Error: Too many students.\n");
@@ -55,13 +67,16 @@ int main() {
         }
     }
 
+    // Sort the list of students based on votes and names
     qsort(students, total_students, sizeof(Student), compare_students);
     
-    printf("Outcome:\n");
+    // Print the outcome
+    printf("Results:\n");
     for (int i = 0; i < total_students; i++) {
         printf("%d %s\n", students[i].votes, students[i].name);
     }
 
+
     return 0;
 }