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2 answers
1
Programming doubt
What will be output if you will compile and execute the following c code? #include<stdio.h> int main(){ char c=125; c=c+10; printf("%d",c); return 0; } (A) 135 (B) 115 (C) -121 (D) -8 (E) Compiler error
What will be output if you will compile and execute the following c code? #include<stdio.h>int main(){char c=125;c=c+10;printf("%d",c); return 0;}(A) 135(B) 115(C) -121(D...
1 answer
2
Programming
What is the output of the following program? int main ( ) { char *str = “Gate2015” printf (“%d”, gradeup (str)) ; return 0; } int gradeup (char *P1) { char *P2 = P1 ; while (*++P1) ; return (P1 – P2); } How P1 points to null and P2 to starting based on that they gave answer as 8
What is the output of the following program? int main ( ) { char *str = “Gate2015” printf (“%d”, gradeup (str)) ; return 0; } int gradeup (char *P1) { char *P2 = ...
1 answer
3
Programming
Why is the output of this program as 20 #include<stdio.h> void fun(int *p) { int q = 10; p = &q; } int main() { int r = 20; int *p=&r; fun(p); printf("%d", *p); return 0; }
Why is the output of this program as 20#include<stdio.h>void fun(int *p){int q = 10; p = &q;}int main(){int r = 20;int *p=&r;fun(p);printf("%d", *p);return 0;}
2 answers
5
Programming
#include <stdio.h> int main(void) { double a=30; int r: r=a%5; printf("\n r=%d",r) return 0; } Why this code is throwing compilation error ?
#include <stdio.h int main(void) { double a=30; int r: r=a%5; printf("\n r=%d",r) return 0; }Why this code is throwing compilation error ?
1 answer
6
Programming
void fun(char **str-ref) { str-ref++; } main() { char *str=(void *)malloc(100*sizeof(char)); strcpy(str,"Ravindran"); fun(&str); puts(str); free(str); } a)ravindras b)avindras c)garbage d)compiler error
void fun(char str-ref){str-ref++;}main(){char *str=(void *)malloc(100*sizeof(char));strcpy(str,"Ravindran");fun(&str);puts(str);free(str);}a)ravindrasb)avindrasc)garbage...
3 answers
7
AVL tree rotations
1 answer
8
Operators precedence
The output of the following program main ( ) { int a = 1, b = 2, c = 3; printf (“%d”, a+ = (a+ = 3, 5, a)); }
The output of the following programmain ( ){int a = 1, b = 2, c = 3;printf (“%d”, a+ = (a+ = 3, 5, a));}
0 answers
9
Arrays
main ( ) { static char [3] [4] = {“abcd”, “mnop”, “fghi”}; putchar (**a); }
main ( ){static char [3] [4] = {“abcd”, “mnop”, “fghi”};putchar ( a);}
1 answer
10
pointers
#include void fun(int *p) { int q = 10; p = &q; } int main() { int r = 20; int *p = &r; fun(p); printf("%d", *p); return 0; }
#includevoid fun(int *p){int q = 10; p = &q;}int main(){int r = 20;int *p = &r;fun(p);printf("%d", *p);return 0;}
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11
trees
The number of possible ordered trees with 3 nodes A, B, C is:
The number of possible ordered trees with 3 nodes A, B, C is:
1 answer
12
height of a tree
For the height of the tree for gate what should we consider the number of edges from the root the leaf or number of levels.????
For the height of the tree for gate what should we consider the number of edges from the root the leaf or number of levels.????
3 answers
14
Tree traversals
For a binary tree T, preorder traversal yields: 11,8,6,4,7,10,19,43,31,29,37,49 and inorder traversal yields: 4,6,7,8,10,11,19,29,31,37,43,49 The height of the T is ________________.
For a binary tree T,preorder traversal yields: 11,8,6,4,7,10,19,43,31,29,37,49 andinorder traversal yields: 4,6,7,8,10,11,19,29,31,37,43,49The height of the T is _____...
1 answer
16
output of the program
main( ) { double x, d = 5.0; int y ; x = d * (x = 2.5/d); printf(“x=%lf\n”,x); x = d*(y=(int)2.5+1.5); printf("x=%lf y=%d\n",x,y); } What is output of above program?
main( ){double x, d = 5.0;int y ;x = d * (x = 2.5/d);printf(“x=%lf\n”,x);x = d*(y=(int)2.5+1.5);printf("x=%lf y=%d\n",x,y);}What is output of above program?
4 answers
17
Number of binary search trees
How many different binary search trees can be constructed using six distinct keys? 256 128 132 264
How many different binary search trees can be constructed using six distinct keys? 256 128 132 264
1 answer
18
Output of program
What is the output of following program? int i ; main ( ) { int j; for (; ;) { if (j = function (i)) printf (“j = %d \n”, j) else break; } } function (x) { int x ; static int v = 2; v - - ; return (v – x); } j = 1 j = - 1 j = 2
What is the output of following program?int i ;main ( ){int j;for (; ;){if (j = function (i))printf (“j = %d \n”, j)elsebreak;}}function (x){int x ;static int v = 2;v...
0 answers
20
linked list
Let P be a single linked list.Let Q be a pointer to an intermediate node 'X' in the list.What is the worst case time complexity of best known algorithm to delete the node 'X ' from the list
Let P be a single linked list.Let Q be a pointer to an intermediate node 'X' in the list.What is the worst case time complexity of best known algorithm to delete the node...
2 answers
22
Help to clarify
int *A[10]; Now, what is meant by A[2][3]?
int *A[10];Now, what is meant by A [3]?
1 answer
23
recursion
void abc() { auto int a; static int s; a=s++; printf("%d%d",a,s); if(a<=2) abc(); printf("%d%d",a,s); } void main() { abc(); abc(); } how many times printf will execute??
void abc(){auto int a;static int s;a=s++;printf("%d%d",a,s);if(a<=2)abc();printf("%d%d",a,s);}void main(){abc();abc();}how many times printf will execute??
1 answer
24
doubt programming
difference between #define and typedef ??? please give logical answer not general answer
difference between #define and typedef ???please give logical answer not general answer
2 answers
26
Row Major
An array A[10][20] starts at decimal address 1000. Each element of array occupies 1 B and array is stored in row major order. Compute address of A[5][6] just give the output.No need very big derivation
An array A[10][20] starts at decimal address 1000. Each element of array occupies 1 B and array is stored in row major order. Compute address of A[5][6]just give the outp...
1 answer
27
find output
void foo(int *); main() { int x=30 , *a=&x; foo(a++); } void foo(int *a) { printf("%d", *a); }
void foo(int *); main() { int x=30 , *a=&x; foo(a++); } void foo(int *a) { printf("%d", *a); }
1 answer
28
pointers
#include<stdio.h> int main() { int arr[] = {10, 20, 30, 40, 50, 60}; int *ptr1 = arr; int *ptr2 = arr + 5; printf("Number of bytes between two pointers are: %d", (char*)ptr2 - (char*) ptr1); return 0; } Please explain the above code
#include<stdio.h>int main(){ int arr[] = {10, 20, 30, 40, 50, 60}; int *ptr1 = arr; int *ptr2 = arr + 5; printf("Number of bytes between two pointers are: %d"...