C programming

Consider the following C statements: char str1 = "Hello; / Statement S1 */ char str2 = "Hello;"; / Statement S2 */ int str3 = "Hello"; / Statement S3 */ Which of the following opti...

Consider the following code snippet in C language that computes the number of nodes in a non-empty singly linked list pointed to by the pointer variable head. struct node{ int elt;...

Consider the following program snippet. Assume that the program compiles and runs successfully. Further, assume that the fork( ) system call is always successful in creating a proc...

In C runtime environment, which one of the following is stored in heap?

Consider the following program in C: #include <stdio.h> void func(int i, int j) { if(i < j) { int i = 0; while (i < 10) { j += 2; i++; } } printf("%d", i); } int main() { int i = 9...

Consider the following ANSI-C program. #include <stdio.h> int main( ) { int *ptr, a, b, c; a=5; b=11; c=20; ptr=&a; *ptr=c; ptr=&c; a=*(&b); c=*ptr-a; printf("%d",c); return(0); }...

Consider the following C program: #include void stringcopy (char *, char *); int main() { char a [30] = "@#Hello World!"; stringcopy (a, a + 2); printf("%s\n", a); return 0; } void...

Suppose in a multiprogramming environment, the following C program segment is executed. A process goes into I/O queue whenever an I/O related operation is performed. Assume that th...

int x=126,y=105; do { if (x>y) x=x-y; else y=y-x; } while(x!=y); printf("%d",x); The output of the given C code segment is __________. (Answer in integer)

#include void foo(int *p, int x) { *p=x; } int main() { int *z; int a = 20, b = 25; z = &a; foo(z,b); printf("%d",a); return 0; } The output of the given C program is __________. (...

#include int foo(int S[],int size) { if(size == 0) return 0; if(size == 1) return 1; if(S[0] != S[1]) return 1+foo(S+1,size-1); return foo(S+1,size-1); } int main() { int A[]={0,1,...

Let LIST be a datatype for an implementation of linked list defined as follows: typedef struct list { int data; struct list *next; } LIST; Suppose a program has created two linked...

Consider the following C program: #include int main() { int a; int arr[5] = {30,50,10}; int *ptr; ptr = &arr[0] + 1; a = *ptr; (*ptr)++; ptr++; printf("%d", a + (*ptr) + arr[1]); r...

Consider the following C program: #include int gate (int n) { int d, t, newnum, turn; newnum = turn = 0; t=1; while (n>=t) t *= 10; t /=10; while (t>0) { d = n/t; n = n%t; t /= 10;...

Consider the following C program: #include int g(int n) { return (n+10); } int f(int n) { return g(n*2); } int main(){ int sum, n; sum=0; for (n=1; n<3; n++) sum += g(f(n)); printf...

#include <stdio.h> int foo(int S[ ], int size) { if(size == 0) return 0; if(size == 1) return 1; if(S[0]!=S[1]) return 1 + foo(S + 1, size - 1); return foo(S + 1, size - 1); } int...

#include void foo(int *p, int x) { *p = x; } int main( ) { int *z; int a = 20, b=25; z = &a; foo(z, b); printf("%d", a); return 0; } The output of the given C program is _________....

Consider the following C program : #include int gate (int n) { int d, t, newnum, turn; newnum = turn = 0; t=1; while (n>= t) t*= 10; t/=10; while (t>0) { d=n/t; n=n%t; t/= 10; if (...

Consider the following C program : #include <stdio.h> int g(int n) { return (n+10); } int f(int n) { return g(n*2); } int main() { int sum, n; sum=0; for (n=1; n The output of the...

Consider the following C program : #include <stdio.h> int main( ) { int a; int arr[5]={30,50,10}; int *ptr; ptr = &arr[0] + 1; a = *ptr; (*ptr)++; ptr++; printf("%d",a + (*ptr) + a...

int x = 126, y = 105; do{ if(x > y) x = x - y; else y = y - x; }while(x!=y); printf('%d", x); The output of the given C code segment is __________. (Answer in integer)

Consider the following C program. Assume parameters to a function are evaluated from right to left. #include int g(int p) { printf("%d", p); return p; } int h(int q) { printf("%d",...

Consider the following C program: #include int main() { int a = 6; int b = 0; while (a < 10) { a = a / 12 + 1; a += b; } printf("%d", a); return 0; } Which one of the following sta...

Consider the following C program: #include void fX(); int main() { fX(); return 0;} void fX() { char a; if((a=getchar()) != '\n') fX(); if (a != '\n') putchar (a); } Assume that th...

Consider the following C function definition. int fX (char *a) { char *b = a; while (*b) b++; return b - a;} Which of the following statements is/are TRUE?

What is the output of the following C program? #include int main() { double a [2]={20.0, 25.0}, *p, *q; p = a; q = p + 1; printf("%d,%d", (int)(q - p), (int)(*q - *p)); return 0;}

Consider an array X that contains n positive integers. A subarray of X is defined to be a sequence of array locations with consecutive indices. The C code snippet given below has b...

Consider the following C function definition. int f(int x, int y) { for (int i=0; i<y; i++) { x=x+x+y; } return x; } Which of the following statements is/are TRUE about the above f...

Consider the following C program: #include <stdio.h> void fX(); int main() { fX(); return 0;} void fX() { char a; if ((a = getchar()) != '\n') fX(); if (a != '\n') putchar(a);} Ass...

Consider the following C function definition. int f(int x, int y) { for (int i=0; i<y; i++) { x=x+x+y; } return x; } Which of the following statements is/are TRUE about the above f...

Consider the following C program. Assume parameters to a function are evaluated from right to left. #include <studio.h> int g(int p) { printf("%d", p); return p; } int h(int q) { p...

Consider the following C function definition. int fX(char *a) { char *b = a; while(*b) b++; return b - a; } Which of the following statements is/are TRUE?

Consider an array X that contains n positive integers. A subarray of X is defined to be a sequence of array locations with consecutive indices. The C code snippet given below has b...

Consider the following program: int main ( ) { f1( ); f2(2); f3( ); return (0); } int f1( ) { return (1); } int f2 (int X) { f3( ); if (X==1) return f1 ( ); else return (X*f2(X$$-$...

What is printed by the following ANSI C program? #include <stdio.h> int main(int argc, char *argv[ ]) { int x = 1, z[2] = {10, 11}; int *p = NULL; p = &x; *p = 10; p = &z[1]; *(&z[...

What is printed by the following ANSI C program? #include <stdio.h> int main(int argc, char *argv[ ]) { int a[3][3][3] = {{1, 2, 3, 4, 5, 6, 7, 8, 9}, {10, 11, 12, 13, 14, 15, 16,...

Consider the following ANSI C program. #include<stdio.h> int main(){ int arr[4][5]; int i, j; for(i =0; i<4; i++){ for (j =0; j<5; j++){ arr [i][j] = 10*i + j; } } print("%d", *(ar...

Consider the following ANSI C function: int SimpleFunction (int y[], int n, int x) { int total = y[0], loopIndex; for (loopIndex = 1; loopIndex <= n - 1; loopIndex ++ ) total = x *...

Consider the following ANSI C function: int SomeFunction (int x, int y) { if ( (x == 1) I I (y == 1)) return 1; if (x == y) return x; if (x > y) return SomeFunction(x - y, y); if (...

Consider the following ANSI C program: #include <stdio.h> #include <stdlib.h> struct Node{ int value; struct Node ⋆next;}; int main(){ struct Node ⋆boxE, ⋆head, ⋆boxN; int index =...

Consider the following C functions. int tob(int b, int* arr) { int i; for (i=0; b>0; i++) { if (b%2) arr[i] = 1; else arr[i]=0; b = b/2; } return (i); } ____________________ int pp...

Consider the following C program. #include < stdio.h > int main () { int a [4] [5] = {{1, 2, 3, 4, 5}, {6, 7, 8, 9, 10}, {11, 12, 13, 14, 15}, {16, 17, 18, 19, 20}}; printf (“%d\n”...

Consider the following C functions. int fun1 (int n) { static int i = 0; if (n > 0) { ++i; fun1(n-1); } return (i); } ___________________ int fun2 (int n) { static int i = 0; if (n...

Consider the following C program : #include < stdio.h > int main () { int arr [] = {1,2,3,4,5,6,7,8,9,0,1,2,5}, *ip = arr+4; printf ("%d\n", ip[1]); return 0; } The number that wil...

Consider the following C program: #include < stdio.h > int main() { int a[] = {2, 4, 6, 8, 10} ; int i, sum = 0, *b = a + 4 ; for (i = 0; i < 5; i++) sum = sum + (*b - i) - *(b - i...

Consider the following C function. void convert(int n){ if(n < 0) printf("%d",n); else { convert(n/2); printf("%d",n%2); } } Which one of the following will happen when the functio...

Consider the following C program : #include<stdio.h> int r() { static int num=7; return num--; } int main() { for(r();r();r()) printf("%od ",r()); return 0; } Which one of the foll...

Consider the following C program : #include <stdio.h> int main(){ float sum = 0.0, j = 1.0, i = 2.0; while (i/j > 0.0625){ j = j + j; sum = sum + i/j; printf("%f\n", sum); } return...

Consider the following C program: #include < stdio.h > int counter = 0; int calc (int a, int b) { int c; counter++; if (b==3) return (a*a*a); else { c = calc(a, b/3); return (c*c*c...

Consider the following C program: #include< stdio.h > void fun1(char *s1, char *s2){ char *tmp; tmp = s1; s1 = s2; s2 = tmp; } void fun2(char **s1, char **s2){ char *tmp; tmp = *s1...

Match the following: (P) static char var; (Q) m = malloc(10); m = NULL; (R) char *ptr[10]; (S) register int var1; (i) Sequence of memory locations to store addresses (ii) A variabl...

Consider the following function implemented in C: void printxy(int x, int y) { int *ptr; x = 0; ptr = &x; y = *ptr; *ptr = 1; printf("%d,%d",x,y); } The output of invoking printxy...

Consider the C program fragment below which is meant to divide x by y using repeated subtractions. The variables x, y, q and r are all unsigned int. ```c while (r >= y) { r = r - y...

Consider the following C function. ```c int fun(int n) { int i, j; for (i = 1; i <= n; i++) { for (j = 1; j < n; j += i) { printf("%d %d",i,j); } } } ``` Time complexity of fun in...

Consider the following snippet of a C program. Assume that swap(&x, &y) exchanges the contents of x and y. int main() { int array[] = {3, 5, 1, 4, 6, 2}; int done = 0; int i; while...

Consider the following C Program. #include int main() { int m = 10; int n, nl; n = ++m; n1 = m++; n--; --nl; n -= nl; printf("%d", n); return 0; } The output of the program is ____...

Consider the following C Program. #include #include int main() { char* c = "GATECSIT2017"; char* p = c; printf("%d", (int)strlen(c+2[p]-6[p]-1)); return 0; } The output of the prog...

Consider the following C program. #include < stdio.h > void mystery(int *ptra, int *ptrb) { int *temp; temp = ptrb; ptrb = ptra; ptra = temp; } int main() { int a=2016, b=0, c=4, d...

Consider the following C program void f(int, short); void main() { int i = 100; short s = 12; short *p = &s; __________ ; // call to f() } Which one of the following expressions, w...

Consider the following function written in the C programming language. void foo(char *a){ if ( *a && *a != ' '){ foo(a+1); putchar(*a); } } The output of the above function on inpu...

What is the output of the following C code? Assume that the address of x is 2000 (in decimal) and an integer requires four bytes of memory. int main () { unsigned int x[4][3] = {{1...

The output of the following C program is__________. void f1(int a, int b) { int c; c=a; a=b; b=c; } void f2(int *a, int *b) { int c; c=*a; *a=*b; *b=c; } int main(){ int a=4, b=5,...

Consider the following C program segment. #include < stdio.h > int main() { char s1[7] = "1234", *p; p = s1 + 2; *p = ‘0’; printf("%s", s1); } What will be printed by the program?

Consider the following C function. int fun ( int n ) { int x = 1, k ; if ( n == 1) return x ; for( k = 1 ; k < n ; ++ k ) x = x + fun( k ) * fun( n - k ) ; return x ; } The return...

Consider the C program below. #include < stdio.h > int *A, stkTop; int stkFunc(int opcode, int val) { static int size=0, stkTop=0; switch (opcode) { case -1: size = val; break; cas...

Consider the function func shown below: int func(int num) { int count = 0; while(num) { count++; num >>= 1; } return (count); } The value returned by func(435) is _________.

Suppose n and p are unsigned int variables in a C program. We wish to set p to $${}^n{C_3}$$. If n is large, which one of the following statements is most likely to set p correctly...

Consider the following C functions in which size is the number of elements in the array E: int MyX(int *E, unsigned int size){ int Y = 0; int Z; int i,j,k; for(i = 0; i < size; i++...

Consider the C function given below. Assume that the array listA contains n (> 0) elements, sored in ascending order. int ProcessArray(int *listA, int x, int n) { int i, j, k; i =...

Consider the C function given below. int f(int j) { static int i = 50; int k; if (i == j) { printf("something"); k = f(i); return 0; } else return 0; } Which one of the following i...

Consider the following function double f (double x) { if ( abs (x * x – 3) < 0. 01) return x; else return f (x / 2 + 1.5/x); } Give a value q (to 2 decimals) such that f(q) will re...

The procedure given below is required to find and replace certain characters inside an input character string supplied in array $$A.$$ The characters to be replaced are supplied in...

The procedure given below is required to find and replace certain characters inside an input character string supplied in array $$A.$$ The characters to be replaced are supplied in...

What will be the output of the following C program segment? Char inchar = 'A'; Switch ( inchar ) { case 'A' : printf ("Choice A\ n") ; case 'B' : case 'C' : printf (“Choice B”) ; c...

Consider the following C code segment. int a, b, c = 0; void prtFun(void); main( ) { static int a = 1; /* Line 1 */ prtFun(); a + = 1; prtFun(); printf("\n %d %d ", a, b); } void p...

Consider the following C code segment. int a, b, c = 0; void prtFun(void); main( ) { static int a = 1; /* Line 1 */ prtFun(); a + = 1; prtFun(); printf("\n %d %d ", a, b); } void p...

Consider the following recursive C function that takes two arguments: unsigned int foo (unsigned int n, unsigned int r) { if (n > 0) return((n % r) + foo(n/r, r)); else return 0; }...

What does the following fragment of C-program print? char c[ ] = "GATE2011"; char *p = c; printf("%s", p + p[3] - p[1]);

The following C function takes a simply-linked list as input argument. It modifies the list by moving the last element to the front of the list and returns the modified list. Some...

What does the following program print? #include < stdio.h > void f (int *p, int *q) { p = q; *p = 2; } int i = 0, j = 1; int main ( ){ f(&i, &j); printf ("%d %d \ n", i, j); return...

The following C function takes a single-linked list of integers as a parameter and rearranges the elements of the list. The function is called with the list containing the integers...

What is printed by the following C program? #include < stdio.h > int f(int x, int *py, int **ppz) { int y, z; **ppz += 1; z = **ppz; *py += 2; y = *py; x += 3; return x + y + z; }...

Choose the correct option to fill ? 1 and ? 2 so that the program below prints an input string in reverse order. Assume that the input string is terminated by a newline character....

Consider the following C program that attempts to locate an element x in an array Y[] using binary search. The program is erroneous. 1. f(int Y[10], int x) { 2. int i, j, k; 3. i =...

Consider the following C program that attempts to locate an element x in an array Y[] using binary search. The program is erroneous. 1. f(int Y[10], int x) { 2. int i, j, k; 3. i =...

Consider the following C program segment where CellNode represents a node in a binary tree: struct CellNode { struct CellNOde *leftChild; int element; struct CellNode *rightChild;...

Consider the following C program: #include #define EOF -1 void push (int); /* push the argument on the stack */ int pop (void); /* pop the top of the stack */ void flagError (); in...

Consider the following C function: int f(int n) { static int r = 0; if(n <= 0) return 1; if(n>3) { r = n; return f(n-2)+2; } return f(n-1)+r; } What is the value of f(5)?

The following function computes the value of m C n correctly for all legal values m and n (m≥1,n≥0 and m>n) int func(int m, int n) { if (E) return 1; else return(func(m -1, n) + fu...

Consider the following C program: void foo (int n, int sum) { int k = 0, j = 0; if(n==0) return; k=n%10; j = n /10; sum = sum + k; foo(j, sum); printf("%d",k); } int main () { int...

The following C function takes a single-linked list of integers as a parameter and rearranges the elements of the list. The function is called with the list containing the integers...

Consider the following C program segment: char p[20]; char *s = "string"; int length = strlen(s); for(i=0; i < length; i++) p[i] = s[length-i]; printf("%s",p); The output of the pr...

Consider the following C program segment struct CellNode{ struct CellNode *leftChild; int element; struct CellNode *rightChild; }; int Dosomething (struct CellNode *ptr) { int valu...

Consider the following C function: int f(int n) { static int i = 1; if(n>=5) return n; n = n+1; i++; return f(n); } The value returned by f(1) is

What does the following algorithm approximate? (Assume m > 1, $$ \in > 0$$) x = m; y = 1; while(x - y > ε){ x = (x + y) / 2; y = m/x; } print(x);

Consider the function f defined below. struct item { int data; struct item * next; }; int f(struct item *p) { return ((p == NULL) || (p ->next == NULL) || ((p->data <= p -> next ->...

Assume the following C variable declaration int * A[10], B[10][10]; Of the following expressions I. A[2] II. A[2] [3] III. B[1] IV. B[2] [3] Which will not give compile-time errors...

Consider the C program shown below. #include < stdio.h > #define print(x) printf("%d ", x) int x; void Q(int z) { z += x; print(z); } void P(int *y) { int x = *y+2; Q(x); *y = x-1;...

Consider the following C function. float f,(float x, int y) { float p, s; int i; for (s=1,p=1,i=1; i < y; i++) { p *= x/i; s+=p; } return s; } For large values of y, the return val...

Consider the following C program: void abc(char *s) { if(s[0]=='\0') return; abc(s+1); abc(s+1); printf("%c",s[0]); } main() { abc("123"); } (a) What will be the output of the prog...

Consider the following three C functions: [P1] int*g(void) { int x=10; return(&x); } [P2] int*g(void) { int *px; *px = 10; return px; } [P3] int*g(void) { int *px px =(int*)malloc...

The value of j at the end of the execution of the following C program int incr (int i) { static int count = 0; count = count + i; return (count); } main () { int i,j; for (i = 0; i...

The most appropriate matching for the following pairs X: m=malloc(5); m= NULL; Y: free(n); n->value = 5; Z: char *p; *p='a'; 1: using dangling 2: using uninitialized pointers 3. lo...