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Array
It is a data structure that has group of same type elements in linear sequence. It requires continuous memory block to store it. Elements in Array is accessed by index. Array does not have any predefined functions.
Stack
It is a data structure that is a list of ordered elements. In most of the programming languages and computer architecture stack has limitation in size. Elements in stack might not be the same type. Stack has predefined functions: POP (get top element), PUSH (put element on top) and it works by LIFO(Last In First Out) principle. Elements from stack are removed in reverse order to the order of their addition.
Example:
POP 1;
POP 2;
POP 3;
Stack: (top) 3 2 1 (bottom)
PUSH
PUSH
PUSH
We get elements in this order: 3 2 1
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What is the difference between stack and array?
Briefly, there are two main differences between an array and a stack. Firstly, an array can be multi-dimensional, while a stack is strictly one-dimensional. Secondly, an array allows direct access to any of its elements, whereas with a stack, only the 'top' element is directly accessible; to access other elements of a stack, you must go through them in order, until you get to the one you want. I hope this answered your question. OK?
How you generate power set using c program?
#include <iostream> void printSet(int array[],int size){ int i; for (i=1;i<=size;i++) std::cout << array[i] << " "; std::cout << std::endl; return; } void printPowerset (int n){ int stack[10],k; stack[0]=0; /* 0 is not considered as part of the set */ k = 0; while(1){ if (stack[k]<n){ stack[k+1] = stack[k] + 1; k++; } else{ stack[k-1]++; k--; } if (k==0) break; printSet(stack,k); } return; } int main(){ printPowerset(4); return 0; }
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What is the difference between stack and array?
Briefly, there are two main differences between an array and a stack. Firstly, an array can be multi-dimensional, while a stack is strictly one-dimensional. Secondly, an array allows direct access to any of its elements, whereas with a stack, only the 'top' element is directly accessible; to access other elements of a stack, you must go through them in order, until you get to the one you want. I hope this answered your question. OK?
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How you generate power set using c program?
#include <iostream> void printSet(int array[],int size){ int i; for (i=1;i<=size;i++) std::cout << array[i] << " "; std::cout << std::endl; return; } void printPowerset (int n){ int stack[10],k; stack[0]=0; /* 0 is not considered as part of the set */ k = 0; while(1){ if (stack[k]<n){ stack[k+1] = stack[k] + 1; k++; } else{ stack[k-1]++; k--; } if (k==0) break; printSet(stack,k); } return; } int main(){ printPowerset(4); return 0; }
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