C++ Dynamic allocation

#include<iostream>
int main()
{
    char ***p;
    int i,j,r,c;
    r = 5, c = 4;
    p = new char**[r];
    for(i=0;i<r;i++) {
        p[i] = new char*[c];
        for(j=0;j<c;j++) {
            p[i][j] = new char[strlen("Arun") +1];
            strcpy(p[i][j],"Arun");
            cout<<p[i][j]<<"\t";
        }    
        cout<<"\n";
    }
// Cleanup
    for(i=0;i<r;i++) {
        for(j=0;j<c;j++) {
            delete p[i][j];
        }    
        delete p[i];
    }
    delete p;

}