C Placement Question: array

What will be output if you will execute following c code?

#include<stdio.h>
void main(){
char arr[7]="Network";
printf("%s",arr);
}

(A) Network
(B) N
(C) network
(D) Garbage value
(E) Compilation error
Explanation: **d ,array size overflow....
2.
What will be output if you will execute following c code?

#include<stdio.h>
void main(){
char arr[11]="The African Queen";
printf("%s",arr);
}
(A) The African Queen
(B) The
(C) Queen
(D) null
(E) Compilation error
Explanation: **d
3.
What will be output if you will execute following c code?
#include<stdio.h>
void main(){
char arr[20]="MysticRiver";
printf("%d",sizeof(arr));
}
(A) 20
(B) 11
(C) 12
(D) 22
(E) 24
Explanation: **a

4.
What will be output if you will execute following c code?
#include<stdio.h>
void main(){
int const SIZE=5;
int expr;
double value[SIZE]={2.0,4.0,6.0,8.0,10.0};
expr=1|2;
printf("%f",value[expr]);
}
(A) 2.000000
(B) 4.000000
(C) 6.000000
(D) 8.000000
(E) Compilation error
Explanation: **d ,as precedence of bitwise inclusive OR ( | ) is more than assignment operator so   1|2=3  expr=3;

5.
What will be output if you will execute following c code?

#include<stdio.h>
enum power{
Dalai,
Vladimir=3,
Barack,
Hillary
};
void main(){
float leader[Dalai+Hillary]={1.f,2.f,3.f,4.f,5.f};
enum power p=Barack;
printf("%0.f",leader[p>>1+1]);
}
(A) 1
(B) 2
(C) 3
(D) 5
(E) Compilation error
Explanation: **b , initial value of p is 4 right shift by 2 make p=1 leader[1]=2

6.
What will be output if you will execute following c code?

#include<stdio.h>
#define var 3
void main(){
char *cricket[var+~0]={"clarke","kallis"};
char *ptr=cricket[1+~0];
printf("%c",*++ptr);
}
(A) k
(B) a
(C) l
(D) i
(E) Compilation error
Explanation: **c

7.
What will be output if you will execute following c code?

#include<stdio.h>
#define var 3
void main(){
char data[2][3][2]={0,1,2,3,4,5,6,7,8,9,10,11};
printf("%o",data[0][2][1]);
}
(A) 5
(B) 6
(C) 7
(D) 8
(E) Compilation error
Explanation: **a

8.
What will be output if you will execute following c code?

#include<stdio.h>
#define var 3
void main(){
short num[3][2]={3,6,9,12,15,18};
printf("%d %d",*(num+1)[1],**(num+2));
}
(A) 12 15
(B) 12 12
(C) 15 15
(D) 15 12
(E) Compilation error
Explanation: **c

9.
What will be output if you will execute following c code?

#include<stdio.h>
#define var 3
void main(){
char *ptr="cquestionbank";
printf("%d",-3[ptr]);
}
(A) 100
(B) -100
(C) 101
(D) -101
(E) Compilation error
Explanation: **d

10.
What will be output if you will execute following c code?

#include<stdio.h>
void main(){
long myarr[2][4]={0l,1l,2l,3l,4l,5l,6l,7l};
printf("%ld\t",myarr[1][2]);
printf("%ld%ld\t",*(myarr[1]+3),3[myarr[1]]);
printf("%ld%ld%ld\t" ,*(*(myarr+1)+2),*(1[myarr]+2),3[1[myarr]]);
}
(A) 6 66 777
(B) 6 77 667
(C) 5 66 777
(D) 7 77 666
(E) 6 67 667
Explanation: **b

11.
What will be output if you will execute following c code?

#include<stdio.h>
void main(){
int array[2][3]={5,10,15,20,25,30};
int (*ptr)[2][3]=&array;
printf("%d\t",***ptr);
printf("%d\t",***(ptr+1));
printf("%d\t",**(*ptr+1));
printf("%d\t",*(*(*ptr+1)+2));
}
(A) 5 Garbage value 20 30
(B)   5 15 20 25
(C) 10 20 30 30
(D) 5 15 20 30
(E) Compilation error

Explanation: **a

12.
What will be output if you will execute following c code?

#include<stdio.h>
void main(){
static int a=2,b=4,c=8;
static int *arr1[2]={&a,&b};
static int *arr2[2]={&b,&c};
int* (*arr[2])[2]={&arr1,&arr2};
printf("%d %d\t",*(*arr[0])[1], *(*(**(arr+1)+1)));
}
(A) 2 4
(B) 4 2
(C) 4 8
(D) 8 4
(E) 8 2
Explanation: **c

13.
What will be output if you will execute following c code?

#include<stdio.h>
#include<math.h>
double myfun(double);
void main(){
double(*array[3])(double);
array[0]=exp;
array[1]=sqrt;
array[2]=myfun;
printf("%.1f\t",(*array)((*array[2])((**(array+1))(4))));
}
double myfun(double d){
d-=1;
return d;
}
(A) 1.4
(B) 2.8
(C) 4.2
(D) 3.0
(E) 2.7
Explanation: **e

14.
What will be output if you will execute following c code?

#include<stdio.h>
#include<math.h>
typedef struct{
char *name;
double salary;
}job;
void main(){
static job a={"TCS",15000.0};
static job b={"IBM",25000.0};
static job c={"Google",35000.0};
int x=5;
job * arr[3]={&a,&b,&c};
printf("%s %f\t",(3,x>>5-4)[*arr]);
}
double myfun(double d){
d-=1;
return d;
}
(A) Google 35000.000000
(B) TCS 15000.000000
(C) IBM 25000.000000
(D) null 15000.000000
(E) Google null
Explanation: **a

15.
What will be output if you will execute following c code?

#include<stdio.h>
union group{
char xarr[2][2];
char yarr[4];
};
void main(){
union group x={'A','B','C','D'};
printf("%c",x.xarr[x.yarr[2]-67][x.yarr[3]-67]);
}
(A) A
(B) B
(C) C
(D) D
(E) null
Explanation: **b

16.
What will be output if you will execute following c code?

#include<stdio.h>
void main(){
int a=5,b=10,c=15;
int *arr[3]={&a,&b,&c};
printf("%d",*arr[*arr[1]-8]);
}
(A) 5
(B) 10
(C) 18
(D) Garbage value
(E)   Compilation error

Explanation: **e

17.
What will be output if you will execute following c code?

#include<stdio.h>
void main(){
int arr[][3]={{1,2},{3,4,5},{5}};
printf("%d %d %d",sizeof(arr),arr[0][2],arr[1][2]);
}
(A)   6 0 4
(B) 6 1 5
(C) 18 0 5
(D) 18 1 5
(E) Compilation error
Explanation: **c

18.
What will be output if you will execute following c code?

#include<stdio.h>
void main(){
int xxx[10]={5};
printf("%d %d",xxx[1],xxx[9]);
}
(A) 0 5
(B) 5 5
(C) 5 0
(D) 0 0
(E) Compilation error
Explanation: **d
19.
What will be output if you will execute following c code?

#include<stdio.h>
#define WWW -1
enum {cat,rat};
void main(){
int Dhoni[]={2,'b',0x3,01001,'\x1d','\111',rat,WWW};
int i;
for(i=0;i<8;i++)
printf(" %d",Dhoni[i]);
}
(A) 2 98 3 513 29 73 0 -1
(B) 2 98 3 513 30 73 1 -1
(C) 2 99 3 513 29 73 1 -1
(D) 2 98 3 513 29 73 1 -1
(E) Compilation error
Explanation: **d

20.
What will be output if you will execute following c code?

#include<stdio.h>
void main(){
long double a;
signed char b;
int arr[sizeof(!a+b)];
printf("%d",sizeof(arr))
}
(A) 8
(B) 9
(C) 1
(D) 4
(E) Compilation error
Explanation: **d

C Placement Question

Thursday, February 23, 2012

array

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