Practice C++ Basic Level Coding Problems

Total Problems: 50

C++ Basic Coding Problems

Total Points Scored: 0/420

1. Swap Two Numbers

AmazonFacebook + 2 more

Solve

Easy 104 60.58
2. Reverse a String

CapgeminiEY + 2 more

Solve

Medium 53 56.6
3. Length of a String

ShopifyTech Mahindra + 2 more

Solve

Easy 45 53.33
4. Dynamically Allocate Memory

SnowflakeWipro + 2 more

Solve

Medium 22 59.09
5. Sum of Elements in a Dynamically Allocated Array

CognizantWalmart + 2 more

Solve

Medium 16 87.5
6. Concatenate Two Strings

CognizantDropbox + 2 more

Solve

Medium 15 73.33
7. Copy One String to Another

TutorialspointWalmart + 2 more

Solve

Medium 13 53.85
8. Number of Vowels and Consonants in a String

SwiggyWalmart + 2 more

Solve

Medium 23 21.74
9. Read and Display the Contents of Input

MicrosoftPwC + 2 more

Solve

Medium 12 83.33
10. Count the Number of Lines in Input

IBMSamsung + 3 more

Solve

Medium 10 60
11. Check if a Number is a Palindrome

eBayTech Mahindra + 2 more

Solve

Easy 11 63.64
12. Factorial of a Number

CognizantMicrosoft + 2 more

Solve

Easy 10 80
13. Sort an Array of Integers

IBMKPMG + 2 more

Solve

Easy 9 66.67
14. Second Largest Element in an Array

EYFacebook + 3 more

Solve

Easy 7 42.86
15. Frequency of Each Element in an array.

CognizantDropbox + 2 more

Solve

Easy 7 100
16. Merge two sorted arrays.

IBMLTIMindtree + 2 more

Solve

Medium 7 57.14
17. Length of a String

DropboxTech Mahindra + 2 more

Solve

Easy 10 70
18. Concatenate Two Strings

AccentureAirbnb + 2 more

Solve

Easy 10 60
19. Reverse an array.

Goldman SachsTutorialspoint + 2 more

Solve

Medium 10 70
20. Check if Two Strings are Anagrams

CapgeminiLTIMindtree + 2 more

Solve

Medium 7 71.43
21. Number of Words in a String

HCL TechnologiesSwiggy + 2 more

Solve

Easy 7 42.86
22. Largest Word in a String

CapgeminiTCS (Tata Consultancy Services) + 2 more

Solve

Easy 9 44.44
23. Replace All Vowels in a String

AppleCapgemini + 2 more

Solve

Easy 6 83.33
24. Transpose of a Matrix

CognizantTech Mahindra + 2 more

Solve

Easy 11 9.09
25. Multiply Two Matrices

DropboxIBM + 2 more

Solve

Medium 5 60
26. Find the Determinant of a 2x2 Matrix

IBMShopify + 2 more

Solve

Medium 3 100
27. Check if a Matrix is Symmetric

AppleDeloitte + 1 more

Solve

Medium 3 66.67
28. Sum of Two Matrices

DeloitteSwiggy + 2 more

Solve

Medium 4 100
29. Difference Between Two Matrices

HCL TechnologiesSamsung + 2 more

Solve

Medium 6 50
30. Divisors of a Given Number

DropboxIBM + 2 more

Solve

Easy 3 66.67
31. Decimal to Binary Number

CapgeminiSamsung + 2 more

Solve

Easy 4 50
32. Checking Fibonacci Number

DeloitteSnowflake + 2 more

Solve

Easy 4 100
33. Fibonacci Numbers

DropboxPhillips + 2 more

Solve

Easy 4 100
34. GCD of Two Numbers

HCL TechnologiesSwiggy + 2 more

Solve

Medium 5 80
35. Sum of the Series 1² + 2² + ... + n²

DropboxTech Mahindra + 2 more

Solve

Easy 9 44.44
36. Sum of the Series 1! + 2! + ... + n!

AirbnbTCS (Tata Consultancy Services) + 2 more

Solve

Easy 4 100
37. Sum of the Digits

DeloitteSwiggy + 2 more

Solve

Easy 9 22.22
38. Strong Number Checking

CapgeminiGoldman Sachs + 2 more

Solve

Easy 4 75
39. Sum of the Series `1 + x + x^2 + x^3 + ... + x^n`

Goldman SachsZomato + 2 more

Solve

Easy 5 60
40. Sum of the Series '1 + 1/2 + 1/3 + ... + 1/n'

DropboxTech Mahindra + 2 more

Solve

Easy 3 100
41. Pascal’s Triangle

Goldman SachsGoogle + 2 more

Solve

Easy 3 66.67
42. Roots of a Quadratic Equation

TutorialspointWalmart + 1 more

Solve

Easy 3 66.67
43. LCM of Two Numbers

DropboxTCS (Tata Consultancy Services) + 2 more

Solve

Easy 5 60
44. Armstrong Number Check

DropboxWipro + 2 more

Solve

Easy 6 33.33
45. Sum of the Squares of Natural Numbers

PwCSwiggy + 2 more

Solve

Easy 3 100
46. Sum of All Even Numbers

CapgeminiZomato + 2 more

Solve

Basic 5 100
47. First n Prime Numbers

Goldman SachsWipro + 2 more

Solve

Easy 3 66.67
48. Perfect Number Check

AccentureAirbnb + 2 more

Solve

Basic 4 75
49. Sum of the First 'n' Natural Numbers

AirbnbWipro + 2 more

Solve

Easy 3 66.67
50. Remove Duplicates from an Array

IBMSnowflake + 2 more

Solve

Easy 6 50

C++ Basic Coding Problems

1. Swap Two Numbers

2. Reverse a String

3. Length of a String

4. Dynamically Allocate Memory

5. Sum of Elements in a Dynamically Allocated Array

6. Concatenate Two Strings

7. Copy One String to Another

8. Number of Vowels and Consonants in a String

9. Read and Display the Contents of Input

10. Count the Number of Lines in Input

11. Check if a Number is a Palindrome

12. Factorial of a Number

13. Sort an Array of Integers

14. Second Largest Element in an Array

15. Frequency of Each Element in an array.

16. Merge two sorted arrays.

17. Length of a String

18. Concatenate Two Strings

19. Reverse an array.

20. Check if Two Strings are Anagrams

21. Number of Words in a String

22. Largest Word in a String

23. Replace All Vowels in a String

24. Transpose of a Matrix

25. Multiply Two Matrices

26. Find the Determinant of a 2x2 Matrix

27. Check if a Matrix is Symmetric

28. Sum of Two Matrices

29. Difference Between Two Matrices

30. Divisors of a Given Number

31. Decimal to Binary Number

32. Checking Fibonacci Number

33. Fibonacci Numbers

34. GCD of Two Numbers

35. Sum of the Series 1² + 2² + ... + n²

36. Sum of the Series 1! + 2! + ... + n!

37. Sum of the Digits

38. Strong Number Checking

39. Sum of the Series `1 + x + x^2 + x^3 + ... + x^n`

40. Sum of the Series '1 + 1/2 + 1/3 + ... + 1/n'

41. Pascal’s Triangle

42. Roots of a Quadratic Equation

43. LCM of Two Numbers

44. Armstrong Number Check

45. Sum of the Squares of Natural Numbers

46. Sum of All Even Numbers

47. First n Prime Numbers

48. Perfect Number Check

49. Sum of the First 'n' Natural Numbers

50. Remove Duplicates from an Array