명품 C++ Programming 실습문제 4장 2번

#include <iostream>
using namespace std;
 
class Sample {
    int *p;
    int size;
public:
    Sample(int n) {
        size = n; p = new int[n];
    }
    void read();
    void write();
    int big();
    ~Sample();
};
 
void Sample::read() {
    for (int i = 0; i < size; i++) {
        cin >> p[i];
    }
}
 
void Sample::write() {
    for (int i = 0; i < size; i++) {
        cout << p[i] << ' ';
    }
    cout << endl;
}
 
int Sample::big() {
    int max = p[0];
    for (int i = 1; i < size; i++) {
        if (max < p[i]) {
            max = p[i];
        }
    }
    return max;
}
 
Sample::~Sample() {
    if (p) {
        delete[]p;
    }
}
 
int main() {
    Sample s(10);
    s.read();
    s.write();
    cout << "가장 큰 수는 " << s.big() << endl;
}