Problem You inherited a piece of code that performs username validation for your company’s website. The existing function works reasonably well, but it throws an exception when the username is too short. Upon review, you realize that nobody ever defined the exception. The inherited code is provided for you in the locked section of your …
Problem Your manager gave you a text file with many lines of numbers to format and print. For each row of 3 space-separated doubles, format and print the numbers using the specifications in the Output Format section below. Input Format : The first line contains an integer, T, the number of test cases.Each of the T subsequent lines describes a …
Print Pretty in C++ – Hacker Rank Solution Read More »
Problem Maps are a part of the C++ STL. Maps are associative containers that store elements formed by a combination of a key value and a mapped value, following a specific order. The mainly used member functions of maps are: Map Template: std::map <key_type, data_type> Declaration: map<string,int>m; //Creates a map m where key_type is of …
Problem You are given N integers in sorted order. Also, you are given Q queries. In each query, you will be given an integer and you have to tell whether that integer is present in the array. If so, you have to tell at which index it is present and if it is not present, you have to tell …
Lower Bound-STL in C++ – Hacker Rank Solution Read More »
Problem Sets are a part of the C++ STL. Sets are containers that store unique elements following a specific order. Here are some of the frequently used member functions of sets:Declaration: set<int>s; //Creates a set of integers. Size: int length=s.size(); //Gives the size of the set. Insert: s.insert(x); //Inserts an integer x into the set …
Problem You are provided with a vector of N integers. Then, you are given 2 queries. For the first query, you are provided with 1 integer, which denotes a position in the vector. The value at this position in the vector needs to be erased. The next query consists of 2 integers denoting a range …