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Tag Archives: sieve

Given an positive integer N, the task is to find the number of triplets (X, Y, Z) such that the sum of product of any… Read More
Given a positive integer N, the task is to count the number of N-digit numbers whose sum of digits is a prime number. Examples: Input:… Read More
Given a positive integer N, the task is to generate a sequence say arr[] of maximum length having all elements at least 2 such that… Read More
Given a number N (N > 6), the task is to print the prime factorization of a number Z, where Z is the product of… Read More
Given an integer array A[] of size N, the task is to find the prime numbers just less and just greater than A[i] (for all… Read More
Given an array arr[] consisting of N integers such that each array element arr[i] represent coefficients of a polynomial expression starting with the highest degree(A[0].X(N… Read More
Given an integer N, repeatedly choose two distinct integers from the range 2 to N and if their GCD is found to be greater than… Read More
Given a positive integer N, the task is to calculate the Bitwise XOR of first N numbers which are a product of exactly two distinct… Read More
Given an array arr[] of size N, the task is to find the index in the given array where the sum of the prime numbers… Read More
Given an array arr[] consisting of N positive integers, the task is to find an index from the array having count of prime numbers present… Read More
Given a positive integer N, the task is to count the number of integers from the range [1, N] having exactly 5 divisors. Examples: Input:… Read More
Given an array arr[] of size N, the task is to rearrange the array elements such that all the Prime numbers are placed before the… Read More
Given a positive integer N, the task is to find the absolute difference of the count of odd and even factors of N. Examples: Input:… Read More
Given a positive integer N, the task is to find the Nth Composite Number. Examples: Input: N = 1Output: 4 Input: N = 3 Output: 8… Read More
Given an array arr[] consisting of N positive integers, the task is to find the number of array elements whose count of divisors is a… Read More