Binary Search Archives

Distribute Candies to People Leetcode Solution

Problem Statement In this problem, we are given two numbers candies and num_people. The first number candies is the number of candies we have. num_people shows the number of person in which we have to distribute the candies. The rule of candies distribution is: We start from the leftmost person …

Pow(x, n) Leetcode Solution

The problem “Pow(x, n) Leetcode Solution” states that you are given two numbers, one of which is a floating-point number and another an integer. The integer denotes the exponent and the base is the floating-point number. We are told to find the value after evaluating the exponent over the base. …

Two Sum Leetcode Solution

In this problem, we have to find a pair of two distinct indices in a sorted array that their values add up to a given target. We can assume that the array has only one pair of integers that add up to the target sum. Note that the array is …

Sqrt(x) Leetcode Solution

As the title says, we need to find the square root of a number. Let say the number is x, then Sqrt(x) is a number such that Sqrt(x) * Sqrt(x) = x. If the square root of a number is some decimal value, then we have to return the floor value of …

Search in Rotated Sorted Array Leetcode Solution

Consider a sorted array but one index was picked and the array was rotated at that point. Now, once the array has been rotated you are required to find a particular target element and return its index. In case, the element is not present, return -1. The problem is generally …

Search Insert Position Leetcode Solution

In this problem, we are given a sorted array and a target integer. We have to find its Search Insert Position. If the target value is present in the array, return its index. Return the index at which the target should be inserted so as to keep the order sorted(in …

Maximum Length of Repeated Subarray

In problem “Maximum Length of Repeated Subarray” we have given two arrays Array 1 and Array 2, your task is to find the maximum length of the sub-array that appears in both the arrays. Example Input: [1,2,3,2,1] [3,2,1,4,7] Output: 3 Explanation: Because the maximum length of sub-array is 3 and …

Find whether an array is subset of another array

The problem “Find whether an array is subset of another array” states that you are given two arrays arra1[] and array2[]. The arrays given are in an unsorted manner. Your task is to find whether the array2[] is a subset of array1[]. Example arr1= [1,4,5,7,8,2] arr2= [1,7,2,4] arr2 [] is …

Smallest Good Base

Problem Statement Suppose we have given an integer n, for all the values of n base k are 1 when a good base k>=2. Suppose we have given a string format-number ‘n’. The problem statement asks to find out the smallest good base of n and to return it in …

The K Weakest Rows in a Matrix Leetcode Solution

Problem statement In the problem ” The K Weakest Rows in a Matrix” we are given a matrix of n rows and m columns. matrix is filled with 0 or 1. The special thing about this matrix is that all the ones are towards the left-hand side of each row …