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Tag Archives: math

Given three numbers N, K, and B, the task is to check if N contains only K as digits in Base B. Examples:  Input: N… Read More
Given an array arr[] of length N, the task is to check if it can be formed by merging two permutations of the same or… Read More
Given an array of integers arr of size N, the task is to find the minimum possible of the expression by choosing exactly K(≤ N)… Read More
Given an integer N and set of digits D[], which consists of digits from [1, 9]. The task is to count the numbers possible less… Read More
Given two numbers and N and D. Apply any of two below operations to N:   add D to N change N to digitsum(N), where digitsum(N)… Read More
Given a number N, the task is to find the number of interesting primes less than equal to N.An interesting prime is any prime number… Read More
Given a positive integer N, the task is to count all possible distinct binary strings of length N such that there are no consecutive 1’s.… Read More
The tgamma() function is defined in header math.h header in C and cmath library in C++. This function is used to compute the gamma function… Read More
The fpclassify() function are defined in header math.h header in C and cmath library in C++. This function is used to get the value of… Read More
Given a string array item[] and an integer array price[] where price[i] is the price of the item[i] when purchased from the ith shop. The… Read More
Given three integers A, B and C. The task is to count the number of triples (a, b, c) such that a * c >… Read More
Given an array, the task is to count the elements of array whose factors are less than the given number x. Examples: Input: arr =… Read More
Given three integers A, B and K. Initially, the first person was ahead of the second person by K kms. In every hour, the first… Read More
Determinant of a Matrix is a scalar property of that Matrix. Determinant is a special number that is defined for only square matrices (plural for… Read More