C-Programming |Gate-2005| 1. What does the following C-statement declare? int ( * f) (int * ) ; [GATE – 2005] a. A function that takes an integer pointer as argument and returns an integer.b. A function that takes an integer as argument and returns an integer pointer.c. A pointer to a function that takes an integer pointer as …
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C-Programming |Gate-2006| 1. Consider this C code to swap two integers and these five statements after it: 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 segmentation fault at runtime depending on the arguments passed S3: …
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C-Programming |Gate-2007| 1. Consider the following C function, what is the output? [GATE – 2007] #include <stdio.h> 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; } int main() { printf(“%d”, f(5)); } a. 5b. 7c. 9d. 18 Answer : d) 2. The function f is defined …
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C-Programming |Gate-2008| 1. Which combination of the integer variables x, y and z makes the variable a get the value 4 in the following expression? a = (x > y)? ((x > z)? x : z): ((y > z)? y : z) [GATE – 2008] a. x = 3, y = 4, z = 2b. …
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C-Programming |Gate-2009| Consider the program below: # include < stdio .h > int fun(int n, int * f_p) { int t, f; if (n <= 1) { * f_p = 1; return 1; } t = fun (n- 1, f_p); f = t+ * f_p; * f_p = t; return f; } int main() { …
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C-Programming |Gate-2010| 1. What does the following program print? [GATE – 2010] #include 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); getchar(); return 0; } a. 2 2b. 2 1c. 0 1d. 0 2 Answer : d) 2. What is …
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C-Programming |Gate-2011| 1. What does the following fragment of C-program print? [GATE – 2011] char c[] = “GATE2011”; char *p =c; printf(“%s”, p + p[3] – p[1]) ; a. GATE2011b. E2011c. 2011d. 011 Answer : c) 2. 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) + …
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C-Programming |Gate-2012| 1. What will be the output of the following C program segment? [GATE – 2012] char inchar = ‘A’; switch (inchar) { case ‘A’ : printf (“choice A n”) ; case ‘B’ : printf (“choice B “) ; case ‘C’ : case ‘D’ : case ‘E’ : default: printf (“No Choice”) ; } a. No choice b. Choice A c. Choice AChoice B No choice d. Program gives no …
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C-Programming |Gate-2013| 1. Consider the following function: [GATE – 2013] int unknown(int n) { int i, j, k = 0; for (i = n/2; i <= n; i++) for (j = 2; j <= n; j = j * 2) k = k + n/2; return k; } a. Θ(n2)b. Θ(n2 log n)c. Θ(n3)d. Θ(n3 logn) Answer : b) 2. Consider the following …
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C-Programming |Gate-2014| 1. Consider the following program in C language: #include <stdio.h> main() { int i; int *pi = &i; scanf(“%d”, pi); printf(“%dn”, i+5); } Which one of the following statements is TRUE? [GATE – 2014] a. Compilation fails.b. Execution results in a run-time error.c. On execution, the value printed is 5 more than the address of …
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