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Programming in C.
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Highest voted questions in Programming in C
130
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3
answers
1
GATE CSE 2014 Set 2 | Question: 11
Suppose $n$ and $p$ are unsigned int variables in a C program. We wish to set $p$ to $^nC_3$. If $n$ is large, which one of the following statements is most likely to set $p$ correctly? $p = n * (n-1) * (n-2) / 6;$ $p = n * (n-1) / 2 * (n-2) / 3;$ $p = n * (n-1) / 3 * (n-2) / 2;$ $p = n * (n-1) * (n-2) / 6.0;$
go_editor
asked
in
Programming in C
Sep 28, 2014
by
go_editor
15.4k
views
gatecse-2014-set2
programming
programming-in-c
normal
110
votes
6
answers
2
GATE CSE 2015 Set 1 | Question: 35
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, 2, 3}, {4, 5, 6}, {7, 8, 9}, {10, 11, 12}}; printf ("%u, %u, %u", x + 3, *(x + 3), *(x + 2) + 3); } $2036, 2036, 2036$ $2012, 4, 2204$ $2036, 10, 10$ $2012, 4, 6$
makhdoom ghaya
asked
in
Programming in C
Feb 13, 2015
by
makhdoom ghaya
27.9k
views
gatecse-2015-set1
programming
programming-in-c
array
normal
103
votes
7
answers
3
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.
Arjun
asked
in
Programming in C
Feb 14, 2017
by
Arjun
25.3k
views
gatecse-2017-set1
programming-in-c
programming
normal
recursion
101
votes
9
answers
4
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 __________ .
srestha
asked
in
Programming in C
Feb 14, 2017
by
srestha
24.9k
views
gatecse-2017-set1
programming
programming-in-c
normal
numerical-answers
100
votes
6
answers
5
GATE IT 2006 | Question: 49
Which one of the choices given below would be printed when the following program is executed ? #include <stdio.h> struct test { int i; char *c; }st[] = {5, "become", 4, "better", 6, "jungle", 8, "ancestor", 7, " ... $\text{etter, u, 6, ungle}$ $\text{cetter, k, 6, jungle}$ $\text{etter, u, 8, ncestor}$
Ishrat Jahan
asked
in
Programming in C
Oct 31, 2014
by
Ishrat Jahan
27.0k
views
gateit-2006
programming
programming-in-c
normal
structure
86
votes
7
answers
6
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.
Arjun
asked
in
Programming in C
Feb 14, 2017
by
Arjun
35.2k
views
gatecse-2017-set1
programming-in-c
programming
pointers
84
votes
6
answers
7
GATE IT 2006 | Question: 50
Which one of the choices given below would be printed when the following program is executed? #include <stdio.h> void swap (int *x, int *y) { static int *temp; temp = x; x = y; y = temp; } void printab () { static int i, a = -3, b = -6; i = 0; while (i <= 4) { if ((i++)%2 == 1 ... $a = 12, b = 9$ $a = 3, b = 6$ $a = 3, b = 6$ $a = 6, b = 3$ $a = 15, b = 12$
Ishrat Jahan
asked
in
Programming in C
Oct 31, 2014
by
Ishrat Jahan
25.6k
views
gateit-2006
programming
programming-in-c
normal
parameter-passing
78
votes
4
answers
8
GATE CSE 2006 | Question: 57
Consider this C code to swap two integers and these five statements: the code void swap (int *px, int *py) { *px = *px - *py; *py = *px + *py; *px = *py - *px; } S1: will generate a compilation error S2: may generate a ... procedure correctly for some but not all valid input pointers S5: may add or subtract integers and pointers S1 S2 and S3 S2 and S4 S2 and S5
Rucha Shelke
asked
in
Programming in C
Sep 26, 2014
by
Rucha Shelke
20.8k
views
gatecse-2006
programming
programming-in-c
normal
pointers
77
votes
1
answer
9
GATE CSE 2015 Set 3 | Question: 48
Consider the following C program: #include<stdio.h> int main() { int i, j, k = 0; j=2 * 3 / 4 + 2.0 / 5 + 8 / 5; k-=--j; for (i=0; i<5; i++) { switch(i+k) { case 1: case 2: printf("\n%d", i+k); ... : printf("\n%d", i+k); default: printf("\n%d", i+k); } } return 0; } The number of times printf statement is executed is _______.
go_editor
asked
in
Programming in C
Feb 16, 2015
by
go_editor
22.3k
views
gatecse-2015-set3
programming
programming-in-c
switch-case
normal
numerical-answers
74
votes
6
answers
10
GATE IT 2006 | Question: 51
Which one of the choices given below would be printed when the following program is executed? #include <stdio.h> int a1[] = {6, 7, 8, 18, 34, 67}; int a2[] = {23, 56, 28, 29}; int a3[] = {-12, 27, -31}; int *x[] = {a1, a2, a3}; void print(int *a[]) { printf("%d," ... (x); } $8, -12, 7, 23, 8$ $8, 8, 7, 23, 7$ $-12, -12, 27, -31, 23$ $-12, -12, 27, -31, 56$
Ishrat Jahan
asked
in
Programming in C
Oct 31, 2014
by
Ishrat Jahan
12.8k
views
gateit-2006
programming
programming-in-c
normal
73
votes
2
answers
11
GATE CSE 2013 | Question: 42
What is the return value of $f(p,p)$, if the value of $p$ is initialized to $5$ before the call? Note that the first parameter is passed by reference, whereas the second parameter is passed by value. int f (int &x, int c) { c = c - 1; if (c==0) return 1; x = x + 1; return f(x,c) * x; }
gatecse
asked
in
Programming in C
Aug 7, 2014
by
gatecse
21.1k
views
gatecse-2013
compiler-design
normal
marks-to-all
numerical-answers
parameter-passing
runtime-environment
72
votes
4
answers
12
GATE CSE 2003 | Question: 2
Assume the following C variable declaration: int *A[10], B[10][10]; Of the following expressions: $A[2]$ $A[2][3]$ $B[1]$ $B[2][3]$ which will not give compile-time errors if used as left hand sides of assignment statements in a C program? I, II, and IV only II, III, and IV only II and IV only IV only
Kathleen
asked
in
Programming in C
Sep 16, 2014
by
Kathleen
29.9k
views
gatecse-2003
programming
programming-in-c
easy
pointers
69
votes
13
answers
13
GATE CSE 2017 Set 2 | Question: 55
Consider the following C program. #include<stdio.h> #include<string.h> int main() { char* c="GATECSIT2017"; char* p=c; printf("%d", (int)strlen(c+2[p]-6[p]-1)); return 0; } The output of the program is _______
Madhav
asked
in
Programming in C
Feb 14, 2017
by
Madhav
27.6k
views
gatecse-2017-set2
programming-in-c
numerical-answers
array
pointers
68
votes
5
answers
14
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); }
srestha
asked
in
Programming in C
Feb 14, 2017
by
srestha
22.3k
views
gatecse-2017-set1
programming
programming-in-c
normal
numerical-answers
64
votes
3
answers
15
GATE IT 2008 | Question: 51
Consider the C program given below. What does it print? #include <stdio.h> int main () { int i, j; int a [8] = {1, 2, 3, 4, 5, 6, 7, 8}; for(i = 0; i < 3; i++) { a[i] = a[i] + 1; i++; } i--; for (j = 7; j > 4; j--) { int i = j/2; a[i] = a[i] - 1; } printf ("%d, %d", i, a[i]); } $2, 3$ $2, 4$ $3, 2$ $3, 3$
Ishrat Jahan
asked
in
Programming in C
Oct 28, 2014
by
Ishrat Jahan
14.9k
views
gateit-2008
programming
programming-in-c
normal
array
62
votes
3
answers
16
GATE CSE 2001 | Question: 2.18
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 (sizeof(int)); *px = 10; ... of the above three functions are likely to cause problems with pointers? Only $P3$ Only $P1$ and $P3$ Only $P1$ and $P2$ $P1, P2$ and $P3$
Kathleen
asked
in
Programming in C
Sep 14, 2014
by
Kathleen
24.0k
views
gatecse-2001
programming
programming-in-c
normal
pointers
61
votes
11
answers
17
GATE CSE 2015 Set 3 | Question: 26
Consider the following C program #include<stdio.h> int main() { static int a[] = {10, 20, 30, 40, 50}; static int *p[] = {a, a+3, a+4, a+1, a+2}; int **ptr = p; ptr++; printf("%d%d", ptr-p, **ptr); } The output of the program is _______.
go_editor
asked
in
Programming in C
Feb 15, 2015
by
go_editor
22.4k
views
gatecse-2015-set3
programming
programming-in-c
normal
numerical-answers
pointers
61
votes
5
answers
18
GATE CSE 2014 Set 1 | Question: 10
Consider the following program in C language: #include <stdio.h> main() { int i; int*pi = &i; scanf("%d",pi); printf("%d\n", i+5); } Which one of the following statements is TRUE? Compilation fails. Execution ... $5$ more than the address of variable $i$. On execution, the value printed is $5$ more than the integer value entered.
go_editor
asked
in
Programming in C
Sep 26, 2014
by
go_editor
17.4k
views
gatecse-2014-set1
programming
programming-in-c
easy
pointers
59
votes
4
answers
19
GATE CSE 2014 Set 2 | Question: 40
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 return $q$:_____.
go_editor
asked
in
Programming in C
Sep 28, 2014
by
go_editor
18.1k
views
gatecse-2014-set2
programming
recursion
numerical-answers
normal
58
votes
3
answers
20
GATE CSE 2016 Set 1 | Question: 15
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 = 42; mystery (&a, &b); if (a < c) mystery (&c, &a); mystery (&a, &d); printf("%d\n", a); } The output of the program is _________.
Sandeep Singh
asked
in
Programming in C
Feb 12, 2016
by
Sandeep Singh
18.0k
views
gatecse-2016-set1
programming-in-c
easy
numerical-answers
parameter-passing
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