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Denis Landa 2025-03-21 15:11:25 +01:00
parent ce33e08499
commit 6185db179b
1 changed files with 32 additions and 10 deletions
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42
du4/program.c
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@ -12,47 +12,69 @@ struct student {
struct student databaza[SIZE]; struct student databaza[SIZE];
int size = 0; int size = 0;
int find_student(const char* name) { int find_student(const char* name){
for (int i = 0; i < size; i++) { for (int i = 0; i < size; i++){
if (strcmp(databaza[i].name, name) == 0) { if (strcmp(databaza[i].name, name) == 0){
return i; return i;
} }
} }
return -1; return -1;
} }
int compare(const void* a, const void* b) {
struct student* s1 = (struct student*)a;
struct student* s2 = (struct student*)b;
if (s1->votes > s2->votes) {
return -1;
} else if (s1->votes < s2->votes) {
return 1;
} else {
return strcmp(s1->name, s2->name);
}
}
int main() { int main() {
char line[SIZE]; char line[SIZE];
memset(databaza, 0, sizeof(databaza)); memset(databaza, 0, sizeof(databaza));
while (fgets(line, SIZE, stdin)) { while (fgets(line, SIZE, stdin)) {
char* end = NULL; char* end = NULL;
int votes = strtol(line, &end, 10); int votes = strtol(line, &end, 10);
if (votes <= 0) { if (votes <= 0 || *end != ' '){
printf("Chyba: Nespravny format vstupu!\n");
continue; continue;
} }
char name[SIZE]; char name[SIZE];
memset(name, 0, SIZE); memset(name, 0, SIZE);
strncpy(name, end + 1, strlen(end + 1) - 1); strncpy(name, end + 1, strlen(end + 1) - 1);
int id = find_student(name); int id = find_student(name);
if (id < 0){
if (size >= SIZE){
printf("Chyba: Databaza je plna!\n");
continue;
}
if (id < 0) {
strncpy(databaza[size].name, name, SIZE - 1); strncpy(databaza[size].name, name, SIZE - 1);
databaza[size].votes = votes; databaza[size].votes = votes;
size++; size++;
} else { }
else
{
databaza[id].votes += votes; databaza[id].votes += votes;
} }
} }
if (size == 0){
printf("Chyba: Nebol nacitany ziadny platny zaznam!\n");
return 1;
}
qsort(databaza, size, sizeof(struct student), compare);
printf("Vysledky:\n"); printf("Vysledky:\n");
for (int i = 0; i < size; i++) { for (int i = 0; i < size; i++) {
printf("%d %s\n", databaza[i].votes, databaza[i].name); printf("%d %s\n", databaza[i].votes, databaza[i].name);
} }
return 0; return 0;
} }