C Programming

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, j = 10;
  func(i, j);
  return 0;
}

The output of the program is _________. (*answer in integer*) *Note*: Assume that the program compiles and runs successfully.

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

Consider the following three ANSI-C programs, P1, P2, and P3. P1

#include <stdio.h>
int a=5;
int main(){
  int a=7;
  return(0);
}

P2

#include <stdio.h>
int main(){
  int a=5;
  int a=7;
  return(0);
}

P3

#include <stdio.h>
int main(){
  int a=5;
  float a=7;
  return(0);
}

Which one of the following statements is true?

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);
}

The output of this program is ____________. (*answer in integer*) *Note*: Assume that the program compiles and runs successfully.

#include <stdio.h>
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 __________. (Answer in integer)

#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 main(){
    int A[]={0,1,2,2,2,0,0,1,1};
    printf("%d",foo(A,9));
    return 0;
}

The value printed by the given C program is _______. (Answer in integer)

Consider the following C program:

#include <stdio.h>
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 (turn) newnum = 10*newnum + d;
        turn = (turn + 1) % 2;
    }
    return newnum;
}
int main () {
    printf ("%d", gate(14362));
    return 0;
}

The value printed by the given C program is _______. (Answer in integer)

Consider the following C program:

#include <stdio.h>
void stringcopy(char *, char *);
int main(){
  char a[30] = "@#Hello World!";
  stringcopy(a, a + 2);
  printf("%s\n", a);
  return 0;
}
void stringcopy(char *s, char *t) {
  while(*t)
    *s++ = *t++;
}

Which ONE of the following will be the output of the program?

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:

#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) + arr[1]);
  return 0;
}

The output of the above program is ___________. (Answer in integer)

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<3; n++)
        sum += g(f(n));
    printf ("%d", sum);
    return 0;
}

The output of the given C program is ________. (Answer in integer)

Consider the following C program:

#include <stdio.h>
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 statements is CORRECT?

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);}

Assume that the input to the program from the command line is 1234 followed by a newline character. Which one of the following statements is CORRECT?

Consider the following C program. Assume parameters to a function are evaluated from right to left.

#include <stdio.h>
int g(int p) { printf("%d", p); return p; }
int h(int q) { printf("%d", q); return q; }
void f(int x, int y) {
  g(x);
  h(y);
}
int main() {
  f(g(10),h(20));
}

Which one of the following options is the CORRECT output of the above C program?

What is the output of the following C program?

#include <stdio.h>
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;}

The integer value printed by the ANSI-C program given below is __________

#include<stdio.h>
int funcp(){
  static int x = 1;
  x++;
  return x;
}
int main(){
  int x,y;
  x = funcp();
  y = funcp()+x;
  printf("%d\n", (x+y));
  return 0;
}

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[0] + 1) += 3;
  printf("%d, %d, %d\n", x, z[0], z[1]);
  return 0;
}

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, 17, 18},
   {19, 20, 21, 22, 23, 24, 25, 26, 27}};
  int i = 0, j = 0, k = 0;
  for( i = 0; i < 3; i++ ){
    for(k = 0; k < 3; k++ )
      printf("%d ", a[i][j][k]);
    printf("\n");
  }
  return 0;
}

What is printed by the following ANSI C program?

#include<stdio.h>
int main(int argc, char *argv[]){
    char a = 'P';
    char b = 'x';
    char c = (a & b) + '*';
    char d = (a | b) - '-';
    char e = (a ^ b) + '+';
    printf("%c %c %c\n", c, d, e);
    return 0;
}

ASCII encoding for relevant characters is given in the figure.

Consider the following ANSI C program.

#include <stdio.h>
int main()
{
    int i, j, count;
    count = 0;
    i = 0;
    for (j = -3; j <= 3; j++)
    {
        if ((j >= 0) && (i++))
            count = count + j;
    }
    count = count + i;
    printf("%d", count);
    return 0;
}

Which one of the following options is correct?