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What is null pointer in c?


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More C Interview Questions

#include <stdio.h> void main() { int i=-1,j=1,k,l; k=!i&&j; l=!i||j; printf ("%d%d",k,l) ; }

3 Answers   SRG,


consagous technology placement paper

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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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wats the diference btwen constant pointer and pointer to a constant.pls give examples.

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Code for calculating square root without using library function, of math.h

4 Answers   IBM,


What are the primitive data types in c?

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An arrangement of information in memory in such a way that it can be easily accessed and processed by a programming language a) string b) data structure c) pointers d) array

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Why is c called a structured programming language?

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What is a null pointer in c?

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what is event driven software and what is procedural driven software?

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what is meant by flushll() in c programming?

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What is difference between stdio h and conio h?

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