what is a pointer
Answers were Sorted based on User's Feedback
Answer / chaitali anand tendulkar
A pointer is a variable which contains a address in memory
of another variable. in other words it is a address of
variable.
| Is This Answer Correct ? | 27 Yes | 2 No |
Answer / roshan
In a simple word.....
A pointer is a variable which is store the address of another variable.
| Is This Answer Correct ? | 11 Yes | 1 No |
Answer / anil yadav
A pointer is a variable which contains the address in memory of another variable. We can have a pointer to any variable type....
| Is This Answer Correct ? | 4 Yes | 0 No |
Answer / joshi
Pointer is a special variable which hold the address of the
next variable.
| Is This Answer Correct ? | 3 Yes | 2 No |
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You have given 2 array. You need to find whether they will create the same BST or not. For example: Array1:10 5 20 15 30 Array2:10 20 15 30 5 Result: True Array1:10 5 20 15 30 Array2:10 15 20 30 5 Result: False One Approach is Pretty Clear by creating BST O(nlogn) then checking two tree for identical O(N) overall O(nlogn) ..we need there exist O(N) Time & O(1) Space also without extra space .Algorithm ?? DevoCoder guest Posted 3 months ago # #define true 1 #define false 0 int check(int a1[],int a2[],int n1,int n2) { int i; //n1 size of array a1[] and n2 size of a2[] if(n1!=n2) return false; //n1 and n2 must be same for(i=0;i<n1-1;i++) { if( !( (a1[i]>a1[i+1]) && (a2[i]>a2[i+1]) ) ) return false; } return true;//assumed that each array doesn't contain duplicate elements in themshelves }
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