C++: Pascal Triangle Modulo

#include <iostream>

using namespace std;

class PascalTriangle {
    long long **ck;
    int size;
    int mod;
public:
    PascalTriangle(int size, int mod = 0): size(size), mod(mod) {
        ck = new long long*[size];
        for (int i = 0; i < size; ++i) {
            ck[i] = new long long[size];
        }
        
        for (int i = 0; i < size; ++i) {
            for (int j = 0; j <= i; ++j) {
                if (0 == j || i == j) {
                    ck[i][j] = 1;
                } else {
                    ck[i][j] = ck[i - 1][j] + ck[i - 1][j - 1];
                    if (mod) {
                        ck[i][j] %= mod;
                    }
                }
            }
        }
    }
    
    virtual ~PascalTriangle() {
        for (int i = 0; i < size; ++i) {
            delete [] ck[i];
        }
        delete [] ck;
    }
    
    long long get(int n, int k) {
        return ck[n][k];
        return 0;
    }
    
    void dump() {
        for (int i = 0; i < size; ++i) {
            for (int j = 0; j <= i; ++j) {
                cout << ck[i][j] << " ";
            }
            cout << endl;
        }
    }
};

int main(int argc, char** argv) {
    PascalTriangle pt(10, 5);
    pt.dump();
    return 0;
}