KPMG Coding Questions - Apr-May 2025

1. What will be the output of the following C code?

    #include <stdio.h>
    int main()
    {
        int x = 2, y = 2;
        x /= x / y;
        printf("%d\n", x);
        return 0;
    } 

2. What is an example of iteration in C?

3. What is the scope of a function?

4. Which of the following are generated from char pointer?

5. What is the advantage of a multidimensional array over pointer array?

6. Which of the following function with ellipsis are illegal?

7. calloc() initialize memory with all bits set to zero.

8. What will be the output of the following C code?

char str1[15];
char str2[15];
int mat;
strcpy(str1, "abcdef");
strcpy(str2, "ABCDEF");
mat= strncmp(str1, str2, 4);
if(mat< 0)
printf("str1 is not greater than str2");
else if(mat> 0)
printf("str2 is is not greater than str1");
else
printf("both are equal");

9. Initial seed is ________ for the function srand(unsigned int seed).

10. What will be the output of the following C code?

#include<stdio.h>
#define san 557
int main()
{
    #ifndef san
    printf("yes");
    #endif
    printf("no");
}

11. Which of the following C++ code will give error on compilation?

================code 1=================
#include <iostream>
using namespace std;
int main(int argc, char const *argv[])
{
	cout<<"Hello World";
	return 0;
}
========================================
================code 2=================
#include <iostream>
int main(int argc, char const *argv[])
{
	std::cout<<"Hello World";
	return 0;
}
========================================

12. When we define the default values for a function?

13. What is the default type of linkage that is available for identifiers?

14. What will be the output of the following C++ code?

#include <iostream>
#include <string>
using namespace std;
int main ()
{
  std::string str ("Sanfoundry.");
  str.back() = '!';
  std::cout << str << endl;
  return 0;
}

15. Which of the following is used for generic programming?

16. What will be the output of the following C++ code?

 
    #include<iostream>
    #include "math.h"
    using namespace std;
    double MySqrt(double d)
    {
        if (d < 0.0)
        throw "Cannot take sqrt of negative number";     
        return sqrt(d);
    }
    int main()
    {
        double d = 5;
        cout << MySqrt(d) << endl;
    } 

17. Pick the correct statement.

18. What is the use of sum() function in Valarray?

19. What kind of execution does sequence point allow?

20. What will the max function in the numeric limit will return for type float?

21. An expression involving byte, int, and literal numbers is promoted to which of these?

22. What will be the output of the following Java program?

   class box 
   {
        int width;
        int height;
        int length;
   } 
    class mainclass 
    {
        public static void main(String args[]) 
        {        
            box obj = new box();
            System.out.println(obj);
        } 
    }

23. What will be the output of the following Java program?

 
    class recursion 
    {
        int func (int n) 
        {
            int result;
            result = func (n - 1);
            return result;
        }
    } 
    class Output 
    {
        public static void main(String args[]) 
        {
            recursion obj = new recursion() ;
            System.out.print(obj.func(12));
        }
    }

24. Which of these method returns a largest whole number less than or equal to variable X?

25. Which of these exceptions is thrown by URL class's constructors?

26. What is the remaining capacity of BlockingQueue whose intrinsic capacity is not defined?

27. Which of these keywords is used to by the calling function to guard against the exception that is thrown by called function?

28. Which of these formatting strings of SimpleDateFormat class is used to print week of the year?

29. What type of methods an interface contain by default?

30. Which mode allows us to run program interactively while watching source code and variables during execution?

31. What will be the output of the following Python expression?

4^12

32. What will be the output of the following Python code?

d = {0: 'a', 1: 'b', 2: 'c'}
for x in d.keys():
    print(d[x])

33. What will be displayed by print(ord('b') - ord('a'))?

34. What will be the output of the following Python code?

import copy
a=[10,23,56,[78]]
b=copy.deepcopy(a)
a[3][0]=95
a[1]=34
print(b)

35. What will be the output of the following Python code snippet?

total={}
def insert(items):
    if items in total:
        total[items] += 1
    else:
        total[items] = 1
insert('Apple')
insert('Ball')
insert('Apple')
print (len(total))

36. How many keyword arguments can be passed to a function in a single function call?

37. What will be the output of the following Python code?

x = [[0], [1]]
print((' '.join(list(map(str, x)))))

38. Which of the following cannot be returned by random.randrange(4)?

39. What will be the output of the following Python code?

import re
re.ASCII

40. Which of the following best describes inheritance?

41. Which of the following is not a disadvantage to the usage of array?

42. Using the evaluation of prefix algorithm, evaluate +-9 2 7.

43. Which of the following arrays are used in the implementation of list data type in python?

44. What are implicit and explicit implementations of freelists?

45. What is the expected number of leaves in a randomized binary search tree?

46. What are the operations that could be performed in O(logn) time complexity by red-black tree?

47. Reducing search space by eliminating irrelevant trees is known as?

48. What is the time per operation of merging, insertion and deletion operations in a skew heap?

49. Which of the following trait of a hash function is most desirable?

50. Given Adjacency matrices determine which of them are PseudoGraphs?
i) {{1,0} {0,1}}
ii) {{0,1}{1,0}}
iii) {{0,0,1}{0,1,0}{1,0,0}}