skuska

cv5/program.c

@@ -0,0 +1,58 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+typedef struct student {
+  char *name;
+  int vote_count;
+} student_t;
+
+int compare_students(const void *a, const void *b) {
+  const student_t *student_a = a;
+  const student_t *student_b = b;
+
+  if (student_a->vote_count > student_b->vote_count) {
+    return -1;
+  } else if (student_a->vote_count < student_b->vote_count) {
+    return 1;
+  }
+
+  return strcmp(student_a->name, student_b->name);
+}
+
+int main() {
+  student_t *students = NULL;
+  int students_capacity = 0;
+
+  char line[1024];
+  while (fgets(line, sizeof(line), stdin)) {
+    int vote_count;
+    char *name;
+    sscanf(line, "%d %ms", &vote_count, &name);
+
+    if (students_capacity <= vote_count) {
+      students_capacity *= 2;
+      student_t *new_students = realloc(students, students_capacity * sizeof(student_t));
+      if (new_students == NULL) {
+        fprintf(stderr, "Error: Memory reallocation failed\n");
+        return 1;
+      }
+      students = new_students;
+    }
+
+    students[vote_count].name = name;
+    students[vote_count].vote_count++;
+  }
+
+  qsort(students, students_capacity, sizeof(student_t), compare_students);
+
+  printf("Results:\n");
+  for (int i = 0; i < students_capacity; i++) {
+    if (students[i].vote_count > 0) {
+      printf("%d %s\n", students[i].vote_count, students[i].name);
+      students[i].name = NULL;
+    }
+  }
+
+  return 0;
+}