Set - 02 (loops) related problems
Logic Building Set 02
Loop Structures & Iteration
224 Problems
The Loop Masterclass
Mastering iteration is the foundation of computer science. Solve these problems to sharpen your logic.
1
Write a program to print the numbers from 1 to 10 using a loop.2
Write a program to find the sum of numbers from 1 to 100 using a loop.3
Write a program to print even numbers from 1 to 20 using a loop.4
Write a program to print odd numbers from 1 to 20 using a loop.5
Write a program to print the multiplication table of a number using a loop.6
Write a program to find the factorial of a number using a loop.7
Write a program to print a series of Fibonacci numbers using a loop.8
Write a program to check if a number is prime or not using a loop.9
Write a program to reverse a number using a loop.10
Write a program to calculate the sum of digits of a number using a loop.11
Write a program to print the ASCII values of all alphabets using a loop.12
Write a program to find the largest element in an array using a loop.13
Write a program to find the smallest element in an array using a loop.14
Write a program to count the number of positive and negative numbers in an array using a loop.15
Write a program to calculate the average of numbers in an array using a loop.16
Write a program to find the second largest element in an array using a loop.17
Write a program to find the second smallest element in an array using a loop.18
Write a program to check if an array is sorted in ascending order using a loop.19
Write a program to check if an array is sorted in descending order using a loop.20
Write a program to find the sum of all even numbers in an array using a loop.21
Write a program to find the sum of all odd numbers in an array using a loop.22
Write a program to find the product of all elements in an array using a loop.23
Write a program to find the number of occurrences of an element in an array using a loop.24
Write a program to remove duplicates from an array using a loop.25
Write a program to find the largest prime factor of a number using a loop.26
Write a program to check if a string is a palindrome using a loop.27
Write a program to find the number of vowels in a string using a loop.28
Write a program to count the number of words in a sentence using a loop.29
Write a program to capitalize the first letter of each word in a sentence using a loop.30
Write a program to reverse a string using a loop.31
Write a program to check if a number is a perfect number using a loop.32
Write a program to find the sum of all perfect numbers between 1 and 1000 using a loop.33
Write a program to find the sum of the squares of all numbers between 1 and 50 using a loop.34
Write a program to find the sum of the cubes of all numbers between 1 and 50 using a loop.35
Write a program to convert a decimal number to binary using a loop.36
Write a program to convert a decimal number to octal using a loop.37
Write a program to convert a decimal number to hexadecimal using a loop.38
Write a program to find the LCM of two numbers using a loop.39
Write a program to find the GCD of two numbers using a loop.40
Write a program to find the sum of all prime numbers between 1 and 100 using a loop.41
Write a program to check if a string is a palindrome using a loop.42
Write a program to count the number of vowels in a string using a loop.43
Write a program to count the number of words in a sentence using a loop.44
Write a program to capitalize the first letter of each word in a sentence using a loop.45
Write a program to reverse a string using a loop.46
Write a program to check if a number is a perfect number using a loop.47
Write a program to find the sum of all perfect numbers between 1 and 1000 using a loop.48
Write a program to find the sum of the squares of all numbers between 1 and 50 using a loop.49
Write a program to find the sum of the cubes of all numbers between 1 and 50 using a loop.50
Write a program to convert a decimal number to binary using a loop.51
Write a program to convert a binary number to decimal using a loop.52
Write a program to convert a binary number to octal using a loop.53
Write a program to convert a binary number to hexadecimal using a loop.54
Write a program to find the factorial of a number using a loop.55
Write a program to check if a number is an Armstrong number using a loop.56
Write a program to check if a year is a leap year using a loop.57
Write a program to print the reverse of a number using a loop.58
Write a program to find the sum of the digits of a number until the result is a single digit using a loop.59
Write a program to check if a number is a palindrome using a loop.60
Print the following star pattern:
*
***
*****
*******
*********
61
Print the following pattern:
1
22
333
4444
55555
62
Print the following pattern:
A
ABA
ABCBA
ABCDCBA
ABCDEDCBA
66
Write a program to check if a number is a perfect square using a loop.67
Write a program to find the sum of digits of a factorial using a loop.68
Write a program to check if a number is a strong number using a loop.69
Write a program to check if a number is a neon number using a loop.70
Write a program to find the sum of Fibonacci series using a loop.71
Write a program to find the sum of all numbers divisible by 3 and 5 between 1 and 100 using a loop.74
Write a program to check if a number is a happy number using a loop.75
Write a program to find the HCF (Highest Common Factor) of two numbers using a loop.77
Write a program to check if a number is a Smith number using a loop.78
Write a program to find the first n prime numbers using a loop.82
Write a program to reverse a sentence without reversing the individual words using a loop.83
Write a program to print the Pascal's triangle using a loop.89
Write a program to find the sum of the alternate digits of a number using a loop.102
Write a program to find the GCD (Greatest Common Divisor) of two numbers using recursion and a loop.113
Write a program to find the factorial of a number using recursion and a loop, without using the * operator.123
Write a program to find the GCD of two numbers using recursion and a loop, without using the % operator.138
Write a program to find the sum of the digits of a number using recursion and a loop, using only a single loop and with a time complexity of O(log n).144
Write a program to find the GCD (Greatest Common Divisor) of two numbers using recursion and a loop, without using the % operator or any library function.165
Write a program to find the GCD (Greatest Common Divisor) of two numbers using recursion and a loop, without using the % operator or any library function or any additional data structures.184
Write a program to find the factorial of a number using recursion and a loop, without using the * operator, recursion, or any library function, and with a time complexity of O(n).186
Write a program to find the GCD (Greatest Common Divisor) of two numbers using recursion and a loop, without using the % operator or any library function or any additional data structures, and with a time complexity of O(log(min(a,b))).196
Write a program to find the sum of Fibonacci series up to a specific number using recursion and a loop, without using any library function or any additional data structures, and with a time complexity of O(log(n)).208
Write a program to check if a number is a Smith number using recursion and a loop, without using any library function or any additional data structures, and with a time complexity of O(log(n)^2).224
Write a program to find the factorial of a number using recursion and a loop, with advanced complexity constraints.
Check the full collection for all 400 algorithmic variants!
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