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#include<iostream>
#include <cstring>
using namespace std;
class Vector {
public:
Vector() : size(0), data(NULL) {}
Vector(int s) : size(s) {
data = new int[size]();
}
Vector(const Vector &v) {
size = v.size;
data = new int[size];
std::memcpy(data, v.data, size * sizeof(int));
}
Vector* clone() const {
return new Vector(*this);
}
~Vector() {
delete[] data;
}
void resize(int newSize) {
int* newData = new int[newSize]();
int minSize = (newSize < size) ? newSize : size;
memcpy(newData, data, minSize * sizeof(int));
delete[] data;
data = newData;
size = newSize;
}
void set(int index, int value) {
if (index >=0 && index < size) {
data[index] = value;
}
}
void print() const {
for (int i =0; i < size; ++i) {
cout << data[i] << " ";
}
cout << endl;
}
private:
int* data;
int size;
};
posted @
2024-12-02 09:21
kuku睡
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