pvjc25/du4/program.c
2025-03-20 17:53:15 +01:00

85 lines
1.8 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#define namemax 100
#define maxstudents 1000
typedef struct {
char name[namemax];
int golosa;
} Student;
int find_student(Student students[], int count, char *name) {
for (int i = 0; i < count; i++) {
if (strcmp(students[i].name, name) == 0) {
return i;
}
}
return -1;
}
int compare(const void *a, const void *b) {
Student *studentA = (Student *)a;
Student *studentB = (Student *)b;
if (studentA->golosa != studentB->golosa) {
return studentB->golosa - studentA->golosa;
}
return strcmp(studentA->name, studentB->name);
}
int main() {
Student students[maxstudents];
int count = 0;
int valid_data_found = 0;
char buffer[200];
while (fgets(buffer, sizeof(buffer), stdin)) {
buffer[strcspn(buffer, "\n")] = '\0';
if (strlen(buffer) == 0) {
break;
}
int golosa;
char name[namemax];
if (sscanf(buffer, "%d %99[^\n]", &golosa, name) != 2 || golosa <= 0) {
break;
}
valid_data_found = 1;
int index = find_student(students, count, name);
if (index != -1) {
students[index].golosa += golosa;
} else {
strcpy(students[count].name, name);
students[count].golosa = golosa;
count++;
}
}
if (!valid_data_found) {
printf("Nepodarilo nacitat nic\n");
return 0;
}
if (count == 0) {
printf("Chyba: Nepodarilo sa nacitat ziadny zaznam.\n");
return 0;
}
qsort(students, count, sizeof(Student), compare);
printf("Vysledky:\n");
for (int i = 0; i < count; i++) {
printf("%d %s\n", students[i].golosa, students[i].name);
}
return 0;
}