如何在C ++中编写指向struct或类变量的指针？

In my code i am trying to have the members of an int pointer-array point to the members of the int array in my struct Bucket. The problem i get is that when running the program, i can copy the first 3 members, but as i try to copy the 4th, i get a runtime error. Why is this? Am I setting the pointers right? What should I do differently? In my code i am trying to have the members of a