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 219 50.23
2. Reverse a String

CapgeminiEY + 2 more

Solve

Medium 112 51.79
3. Length of a String

ShopifyTech Mahindra + 2 more

Solve

Easy 81 60.49
4. Dynamically Allocate Memory

SnowflakeWipro + 2 more

Solve

Medium 44 63.64
5. Sum of Elements in a Dynamically Allocated Array

CognizantWalmart + 2 more

Solve

Medium 35 80
6. Concatenate Two Strings

CognizantDropbox + 2 more

Solve

Medium 32 78.13
7. Copy One String to Another

TutorialspointWalmart + 2 more

Solve

Medium 31 58.06
8. Number of Vowels and Consonants in a String

SwiggyWalmart + 2 more

Solve

Medium 46 32.61
9. Read and Display the Contents of Input

MicrosoftPwC + 2 more

Solve

Medium 21 85.71
10. Count the Number of Lines in Input

IBMSamsung + 3 more

Solve

Medium 23 65.22
11. Check if a Number is a Palindrome

eBayTech Mahindra + 2 more

Solve

Easy 23 65.22
12. Factorial of a Number

CognizantMicrosoft + 2 more

Solve

Easy 25 68
13. Sort an Array of Integers

IBMKPMG + 2 more

Solve

Easy 19 73.68
14. Second Largest Element in an Array

EYFacebook + 3 more

Solve

Easy 31 32.26
15. Frequency of Each Element in an array.

CognizantDropbox + 2 more

Solve

Easy 16 100
16. Merge two sorted arrays.

IBMLTIMindtree + 2 more

Solve

Medium 19 42.11
17. Length of a String

DropboxTech Mahindra + 2 more

Solve

Easy 16 75
18. Concatenate Two Strings

AccentureAirbnb + 2 more

Solve

Easy 17 64.71
19. Reverse an array.

Goldman SachsTutorialspoint + 2 more

Solve

Medium 16 75
20. Check if Two Strings are Anagrams

CapgeminiLTIMindtree + 2 more

Solve

Medium 11 81.82
21. Number of Words in a String

HCL TechnologiesSwiggy + 2 more

Solve

Easy 12 50
22. Largest Word in a String

CapgeminiTCS (Tata Consultancy Services) + 2 more

Solve

Easy 11 54.55
23. Replace All Vowels in a String

AppleCapgemini + 2 more

Solve

Easy 15 53.33
24. Transpose of a Matrix

CognizantTech Mahindra + 2 more

Solve

Easy 16 31.25
25. Multiply Two Matrices

DropboxIBM + 2 more

Solve

Medium 9 77.78
26. Find the Determinant of a 2x2 Matrix

IBMShopify + 2 more

Solve

Medium 6 100
27. Check if a Matrix is Symmetric

AppleDeloitte + 1 more

Solve

Medium 17 23.53
28. Sum of Two Matrices

DeloitteSwiggy + 2 more

Solve

Medium 7 85.71
29. Difference Between Two Matrices

HCL TechnologiesSamsung + 2 more

Solve

Medium 8 62.5
30. Divisors of a Given Number

DropboxIBM + 2 more

Solve

Easy 7 57.14
31. Decimal to Binary Number

CapgeminiSamsung + 2 more

Solve

Easy 7 57.14
32. Checking Fibonacci Number

DeloitteSnowflake + 2 more

Solve

Easy 7 85.71
33. Fibonacci Numbers

DropboxPhillips + 2 more

Solve

Easy 6 100
34. GCD of Two Numbers

HCL TechnologiesSwiggy + 2 more

Solve

Medium 7 85.71
35. Sum of the Series 1² + 2² + ... + n²

DropboxTech Mahindra + 2 more

Solve

Easy 12 58.33
36. Sum of the Series 1! + 2! + ... + n!

AirbnbTCS (Tata Consultancy Services) + 2 more

Solve

Easy 16 50
37. Sum of the Digits

DeloitteSwiggy + 2 more

Solve

Easy 18 27.78
38. Strong Number Checking

CapgeminiGoldman Sachs + 2 more

Solve

Easy 8 62.5
39. Sum of the Series `1 + x + x^2 + x^3 + ... + x^n`

Goldman SachsZomato + 2 more

Solve

Easy 13 38.46
40. Sum of the Series '1 + 1/2 + 1/3 + ... + 1/n'

DropboxTech Mahindra + 2 more

Solve

Easy 5 100
41. Pascal’s Triangle

Goldman SachsGoogle + 2 more

Solve

Easy 7 42.86
42. Roots of a Quadratic Equation

TutorialspointWalmart + 1 more

Solve

Easy 10 40
43. LCM of Two Numbers

DropboxTCS (Tata Consultancy Services) + 2 more

Solve

Easy 6 66.67
44. Armstrong Number Check

DropboxWipro + 2 more

Solve

Easy 8 50
45. Sum of the Squares of Natural Numbers

PwCSwiggy + 2 more

Solve

Easy 8 87.5
46. Sum of All Even Numbers

CapgeminiZomato + 2 more

Solve

Basic 14 85.71
47. First n Prime Numbers

Goldman SachsWipro + 2 more

Solve

Easy 5 80
48. Perfect Number Check

AccentureAirbnb + 2 more

Solve

Basic 8 75
49. Sum of the First 'n' Natural Numbers

AirbnbWipro + 2 more

Solve

Easy 7 85.71
50. Remove Duplicates from an Array

IBMSnowflake + 2 more

Solve

Easy 9 55.56

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