関連ワード:  write a program stack in c    write a program using stack in c    write a program stack using array in c    write a program to implement stack in c    write a program stack using linked list in c    write a program for array implementation of stack in c    write a program to implement stack operations in c    write a program to implement queue using stack in c    write a program to reverse string using stack in c    write a program to push element in stack in c