Category: Numbers

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Check if given number is perfect square – O(√N) Solution

Objective: Given a number, write a program to check if given number is perfect sqaure. Example: N = 16 Output: True N = 32 Output: False Approach: Naive Approach: If N = 1 return...

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Check if Given Number is power of 2.

Objective: Given a number, write a program to find if number is power of two. Example: N = 5 Output: false. N = 8 Output: true (23) N = 512 Output: true (29) Approach:...

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Check if given number is Prime – O(√N) Solution – Java Program

Objective: Given a number, write a program to check if the number is prime or not. Prime Number: A number is called a prime number when number is not divisible by 1 or by...

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Generate Well Ordered Passwords of a Given Length K

Objective: Generate Well Ordered Passwords of a Given Length K. Well ordered means that digits should be in increasing order in every generated password. Example: K = 7 1234567 1234568 1234569 1234578 1234579 1234589...

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Find numbers which are palindrome in both their decimal and octal Representations

Objective: Given a range of integers, find all the numbers which are palindrome when they are represented in Decimal Value( base 10) and in Octal value(base 8). Example : Number : 373 (Decimal) and...

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