#include #include #include #define SIZE 100 struct student { char name[SIZE]; int votes; }; // comparison function for sorting students int compare(const void *a, const void *b) { struct student *student_a = (struct student *) a; struct student *student_b = (struct student *) b; if (student_a->votes > student_b->votes) { return -1; } else if (student_a->votes < student_b->votes) { return 1; } else { // if votes are the same, compare names return strcmp(student_a->name, student_b->name); } } int main() { struct student students[SIZE]; int size = 0; // read student data from standard input while (1) { char line[SIZE]; memset(line, 0, SIZE); char *r = fgets(line, SIZE, stdin); // check if the line is empty if (r == NULL || (r[0] == '\n' && strlen(r) == 1)) { // end of input break; } // parse the string and extract number of votes and student name int votes; if (sscanf(line, "%d %[^\n]", &votes, students[size].name) != 2) { // error, input was not in expected format // print error message and exit fprintf(stderr, "Error: invalid input format\n"); return 1; } students[size].votes = votes; size++; } // sort students based on their votes qsort(students, size, sizeof(struct student), compare); // print the results printf("Results:\n"); for (int i = 0; i < size; i++) { printf("%d %s\n", students[i].votes, students[i].name); } printf("\n"); return 0; }