Recent questions tagged programming / GATE Overflow for GATE CSE

1 votes

1 answer

661

Pointer Casting
Analyze what is happening and why? int *ptr=(int*)0X12341230; int *ptr2=((int*)(((char*)ptr)+1)); char *ptr=(char*) 0X12341230; void *ptr2=ptr+1;

Analyze what is happening and why?int *ptr=(int*)0X12341230; int *ptr2=((int*)(((char*)ptr)+1));char *ptr=(char*) 0X12341230; void *ptr2=ptr+1;

srestha

421 views

srestha asked Jul 27, 2017

2 votes

0 answers

662

Made Easy Gate Test Series
The correct answer to the following question is 24. Please explain.

The correct answer to the following question is 24. Please explain.

Akash Mishra

980 views

Akash Mishra asked Jul 26, 2017

0 votes

2 answers

663

How do I solve this recursion?
What is the value of F(n, m)? Function F(n, m : integer) : integer; begin if(n <= 0) or (m <= 0) then F:=1 else F := F(n-1, m) + F(n, m-1); end;

What is the value of F(n, m)?Function F(n, m : integer) : integer; begin if(n <= 0) or (m <= 0) then F:=1 else F := F(n-1, m) + F(n, m-1); end;

Akash Mishra

575 views

Akash Mishra asked Jul 7, 2017

2 votes

2 answers

664

char output in c. Predict the output of following C programs
Predict the output of following C programs 1. #include int main() { char a = '\012'; printf("%d", a); return 0; } 2. #include int main() { char a = '012'; printf("%d", a); return 0; } 3. #include int main() { char a = '\012'; printf("%c", a); return 0; }

Predict the output of following C programs1.#includeint main(){ char a = '\012'; printf("%d", a); return 0;}2.#includeint main(){ char a = '012'; printf...

Khushal Kumar

3.5k views

Khushal Kumar asked Jul 4, 2017

2 votes

1 answer

665

SSelf
The value returned by the following function for foo(10) is ____ int foo(int x) { if(x < 1) return 1; int sum = 0; for(i = 1; i <= x; i++) { sum += foo(x-i); } return sum; }

The value returned by the following function for foo(10) is ____ int foo(int x) { if(x < 1) return 1; int sum = 0; for(i = 1; i <= x; i++) { sum += foo(x-i); } return sum...

Kuldeep Pal

531 views

Kuldeep Pal asked Jun 25, 2017

0 votes

1 answer

666

Dssb it 2017
How many primitive data type are there in java????? And: 8 Plz explain it

How many primitive data type are there in java?????And: 8Plz explain it

Harikesh Kumar

294 views

Harikesh Kumar asked Jun 8, 2017

0 votes

1 answer

667

Test by Bikram | Mock GATE | Test 4 | Question: 45
Consider the following code snippet: #include <stdio.h> void s1(int*, int); void s2(int*, int); void (*k[2])(int*, int); int main() { int a = 4; int b = 2; k[0] = s1; k[1] = s2; k[0](&a, b); printf("%d %d ", a, ... void s2(int *k, int q) { int tmp = *k; *k = q; q = tmp; } The output of the above program is : 4242 2222 4444 2424

Consider the following code snippet:#include <stdio.h void s1(int*, int); void s2(int*, int); void (*k )(int*, int); int main() { int a = 4; int b = 2; k[0] = s1; k = s2...

Bikram

427 views

Bikram asked May 14, 2017

1 votes

1 answer

668

Test by Bikram | Mock GATE | Test 4 | Question: 18
Consider the below code snippet: #include<stdio.h> int main() { int p[15][20][29] = {0}; p[4][2][3] = 6; --------------- return 0; } Which of the following options will print $6$ when added in the missing part of the above code? printf(" ... **((p+4)+2)+3); printf("%d",*(*((p+4)+2)+3)); printf("%d",*(((p+4)+2)+3));

Consider the below code snippet:#include<stdio.h int main() { int p[15][20][29] = {0}; p[4] [3] = 6; - return 0; }Which of the following options will print $6$ when ad...

Bikram

312 views

Bikram asked May 14, 2017

3 votes

1 answer

669

Test by Bikram | Mock GATE | Test 4 | Question: 6
Consider the below $C$ code: #include<stdio.h> int main() { char a[] = "gateoverflow"; char *p = a; printf("%s", p+p[3]-p[1]); } The output will be : gate eoverflow overflow Garbage error

Consider the below $C$ code:#include<stdio.h int main() { char a[] = "gateoverflow"; char *p = a; printf("%s", p+p[3]-p ); }The output will be : gate eoverflow overflo...

Bikram

270 views

Bikram asked May 14, 2017

1 votes

1 answer

670

Static and Dynamic links in Activation Records?
Can Anyone explain me the difference between Static and Dynamic links in Activation Records With some illustration or eg ?

Can Anyone explain me the difference between Static and Dynamic links in Activation Records With some illustration or eg ?

Himanshu Goyal

2.4k views

Himanshu Goyal asked May 4, 2017

1 votes

4 answers

671

difference between dynamic programming and divide and conquer technique is
What is the difference between dynamic programming and divide and conquer technique,

What is the difference between dynamic programming and divide and conquer technique,

LavTheRawkstar

6.2k views

LavTheRawkstar asked Apr 17, 2017

0 votes

2 answers

672

ISRO 2008-ECE exit() function
The library function exit ( ) causes as exit from (a) the loop in which it occurs (b) the block is which it occurs (c) the functions in which it occurs (d) the progam in which it occurs

The library function exit ( ) causes as exit from (a) the loop in which it occurs(b) the block is which it occurs(c) the functions in which it occurs(d) the progam in whi...

sh!va

1.4k views

sh!va asked Mar 2, 2017

0 votes

1 answer

673

ISRO 2008-ECE programming
A program having features such as data abstraction, encapsulation and data hiding, polymorphism inheritance is called (a) Structured program (b) Object oriented program (c) Open source program (d) Real time program

A program having features such as data abstraction, encapsulation and data hiding, polymorphism inheritance is called(a) Structured program(b) Object oriented program(c) ...

sh!va

375 views

sh!va asked Mar 2, 2017

102 votes

9 answers

674

GATE CSE 2017 Set 1 | Question: 53
Consider the following C program. #include<stdio.h> #include<string.h> void printlength(char *s, char *t) { unsigned int c=0; int len = ((strlen(s) - strlen(t)) > c) ? strlen(s) : strlen(t); printf("%d\n", len); } ... in $string.h$ as returning a value of type $size\_t$, which is an unsigned int. The output of the program is __________ .

Consider the following C program.#include<stdio.h #include<string.h void printlength(char *s, char *t) { unsigned int c=0; int len = ((strlen(s) - strlen(t)) c) ? strlen...

srestha

25.2k views

srestha asked Feb 14, 2017

68 votes

5 answers

675

GATE CSE 2017 Set 1 | Question: 55
The output of executing the following C program is _______________ . #include<stdio.h> int total(int v) { static int count = 0; while(v) { count += v&1; v >>= 1; } return count; } void main() { static int x=0; int i=5; for(; i>0; i--) { x = x + total(i); } printf("%d\n", x); }

The output of executing the following C program is _______________ .#include<stdio.h int total(int v) { static int count = 0; while(v) { count += v&1; v >>= 1; } return c...

srestha

22.6k views

srestha asked Feb 14, 2017

54 votes

7 answers

676

GATE CSE 2017 Set 2 | Question: 43
Consider the following snippet of a C program. Assume that swap $(\&x, \&y)$ exchanges the content of $x$ and $y$: int main () { int array[] = {3, 5, 1, 4, 6, 2}; int done =0; int i; while (done==0) { done =1; for (i=0; i<=4; i ... i-1]) { swap(&array[i], &array[i-1]); done =0; } } } printf( %d , array[3]); } The output of the program is _______

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

Arjun

17.1k views

Arjun asked Feb 14, 2017

36 votes

6 answers

677

GATE CSE 2017 Set 2 | Question: 37
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. while (r >= y) { r=r-y; q=q+1; } Which of the following conditions on the variables $x, y, q$ and $r$ ... $(q==0) \ \&\& \ (y>0)$

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.while (r >...

Arjun

14.3k views

Arjun asked Feb 14, 2017

104 votes

7 answers

678

GATE CSE 2017 Set 1 | Question: 36
Consider the C functions foo and bar given below: int foo(int val) { int x=0; while(val > 0) { x = x + foo(val--); } return val; } int bar(int val) { int x = 0; while(val > 0) { x ... in: Return of $6$ and $6$ respectively. Infinite loop and abnormal termination respectively. Abnormal termination and infinite loop respectively. Both terminating abnormally.

Consider the C functions foo and bar given below:int foo(int val) { int x=0; while(val 0) { x = x + foo(val ); } return val; }int bar(int val) { int x = 0; while(val 0)...

Arjun

25.6k views

Arjun asked Feb 14, 2017

47 votes

11 answers

679

GATE CSE 2017 Set 1 | Question: 35
Consider the following two functions. void fun1(int n) { if(n == 0) return; printf("%d", n); fun2(n - 2); printf("%d", n); } void fun2(int n) { if(n == 0) return; printf("%d", n); ... printf("%d", n); } The output printed when $\text{fun1}(5)$ is called is $53423122233445$ $53423120112233$ $53423122132435$ $53423120213243$

Consider the following two functions.void fun1(int n) { if(n == 0) return; printf("%d", n); fun2(n - 2); printf("%d", n); } void fun2(int n) { if(n == 0) return; printf("...

Arjun

20.5k views

Arjun asked Feb 14, 2017

87 votes

7 answers

680

GATE CSE 2017 Set 1 | Question: 13
Consider the following C code: #include<stdio.h> int *assignval (int *x, int val) { *x = val; return x; } void main () { int *x = malloc(sizeof(int)); if (NULL == x) return; x = assignval (x,0); ... and not as shown. compiles successfully but execution may result in dangling pointer. compiles successfully but execution may result in memory leak.

Consider the following C code:#include<stdio.h int *assignval (int *x, int val) { *x = val; return x; } void main () { int *x = malloc(sizeof(int)); if (NULL == x) return...

Arjun

35.5k views

Arjun asked Feb 14, 2017

26 votes

3 answers

681

GATE CSE 2017 Set 2 | Question: 2
Match the following: ... ; R-i; S-iii P-ii; Q-i; R-iv; S-iii P-ii; Q-iv; R-iii; S-i P-iii; Q-iv; R-i; S-ii

Match the following:$$\begin{array}{|ll|ll|}\hline P. & \text{static char var ;} & \text{i.} & \text{Sequence of memory locations to store addresses} \\\hline Q. & \text...

khushtak

5.9k views

khushtak asked Feb 14, 2017

2 votes

1 answer

682

Test by Bikram | Mock GATE | Test 3 | Question: 42
Read the below code snippet: int joo( int num ) { int result = 0 ; if ( num <= 1) return 1; else { for ( i=num; i >= 1; i - - ) { result + = joo( i / 3) ; } } return result; } When $num = 6$, the return value of the function is _____.

Read the below code snippet: int joo( int num ) { int result = 0 ; if ( num <= 1) return 1; else { for ( i=num; i >= 1; i - - ) { result + = joo( i / 3) ; } } return r...

Bikram

338 views

Bikram asked Feb 9, 2017

2 votes

1 answer

683

Test by Bikram | Mock GATE | Test 3 | Question: 31
What is the output of the below mentioned code snippet? void goo(char *p) { if( p[0] = = ’\0’) return; goo(p+1); goo(p+1); printf("%c", p[0]); } main() { goo("123"); } $3$ $3$ $2$ $1$ $3$ $2$ $1$ $3$ $2$ $3$ $1$ $3$ $2$ $1$ $3$ $3$ $2$ $3$ $3$ $2$ $1$ $3$ $3$ $3$ $1$ $3$ $3$ $2$

What is the output of the below mentioned code snippet?void goo(char *p) { if( p[0] = = ’\0’) return; goo(p+1); goo(p+1); printf("%c", p[0]); } main() { goo("123"); }...

Bikram

227 views

Bikram asked Feb 9, 2017

0 votes

1 answer

684

Test by Bikram | Mock GATE | Test 3 | Question: 26
The following function finds the $GCD$ recursively. int GCD(int k, int u) { if( u = = 0 ) return k ; else return GCD( u , ____); } Fill in the blank with the most appropriate function: $k/u$ $u/k$ $u \% k$ $k \% u$

The following function finds the $GCD$ recursively. int GCD(int k, int u) { if( u = = 0 ) return k ; else return GCD( u , ____); }Fill in the blank with the most appropri...

Bikram

374 views

Bikram asked Feb 9, 2017

0 votes

1 answer

685

Ace Test Series: Programming & DS - Programming In C
#include<stdio.h> int main() { char *p; p = "%d\n"; p++; p++; printf(p-2, 400); return 0; } Output : 400 I ran this program and got 400 as output. But I don't understand why it is so?

#include<stdio.h>int main() { char *p; p = "%d\n"; p++; p++; printf(p-2, 400); return 0;}Output : 400I ran this program and got 400 as output. But I don...

Hemant Parihar

541 views

Hemant Parihar asked Feb 3, 2017

0 votes

1 answer

686

Ace Test Series: Programming & DS - Programming In C

Sonali Rangwani

483 views

Sonali Rangwani asked Feb 2, 2017

2 votes

2 answers

687

Ace Test Series: Programming & DS - Programming In C

asriv

551 views

asriv asked Jan 30, 2017

0 votes

1 answer

688

Ace Test Series: Programming & DS - Programming In C

Sonali Rangwani

636 views

Sonali Rangwani asked Jan 29, 2017

1 votes

0 answers

689

Loop invariants [GateBook]

biranchi

529 views

biranchi asked Jan 24, 2017

2 votes

1 answer

690

predict the output|testbook livetest
will there be no compile time error as we are initialising array greater than its size??

will there be no compile time error as we are initialising array greater than its size??

Akriti sood

280 views

Akriti sood asked Jan 23, 2017

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