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#include <cstring>
struct PhoneBook {
private:
char** entries; // Масив от указатели char*
unsigned allocated;
unsigned size;
void resize() {
allocated *= 2;
char** moreEntries = new char*[allocated];
for (int i = 0; i < size; i++) {
moreEntries[i] = entries[i];
}
delete[] entries;
entries = moreEntries;
}
void free() {
for (int i = 0; i < size; i++) {
delete[] entries[i];
}
delete[] entries;
}
void copyFrom(const PhoneBook& other) {
this->allocated = other.allocated;
this->size = other.size;
this->entries = new char*[allocated];
for (int i = 0; i < size; i++) {
this->entries[i] = new char[strlen(other.entries[i])+1];
strcpy(this->entries[i], other.entries[i]);
}
}
public:
PhoneBook() {
entries = nullptr;
allocated = size = 0;
}
~PhoneBook() {
free();
}
PhoneBook(const PhoneBook& other) {
copyFrom(other);
}
PhoneBook& operator=(const PhoneBook& other) {
if (this != &other) {
free();
copyFrom(other);
}
return *this;
}
void InsertPerson(const char* entry) {
if (allocated == size) {
resize();
}
int index = 0;
while (index < size) {
if (strcmp(entry, entries[index]) < 0) {
break;
}
index++;
}
size++;
for (int i = size; i > index; i--) {
entries[i] = entries[i-1];
}
entries[index] = new char[strlen(entry)+1];
strcpy(entries[index], entry);
}
};
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