Hello Programmers/Coders, Today we are going to share solutions of Programming problems of HackerRank of Programming Language C++ . At Each Problem with Successful submission with all Test Cases Passed, you will get an score or marks. And after solving maximum problems, you will be getting stars. This will highlight you profile to the recruiters.
In this post, you will find the solution for Inherited Code in C++-HackerRank Problem. We are providing the correct and tested solutions of coding problems present on HackerRank. If you are not able to solve any problem, then you can take help from our Blog/website.
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Introduction To C++
C++ is a general-purpose programming language that was developed as an enhancement of the C language to include object-oriented paradigm. It is an imperative and a compiled language.
C++ is a middle-level language rendering it the advantage of programming low-level (drivers, kernels) and even higher-level applications (games, GUI, desktop apps etc.). The basic syntax and code structure of both C and C++ are the same.
C++ programming language was developed in 1980 by Bjarne Stroustrup at bell laboratories of AT&T (American Telephone & Telegraph), located in U.S.A. Bjarne Stroustrup is known as the founder of C++ language.
Inherited Code in C++ – Hacker Rank Solution
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 editor. Complete the code so that, when an exception is thrown, it prints Too short: n (where n is the length of the given username).
Input Format :
The first line contains an integer, t, the number of test cases.
Each of the t subsequent lines describes a test case as a single username string, n.
Constraints :
- 1 <= t <= 1000
- 1<= |u| <= 100
- The username consists only of uppercase and lowercase letters.
Output Format :
You are not responsible for directly printing anything to stdout. If your code is correct, the locked stub code in your editor will print either Valid (if the username is valid), Invalid (if the username is invalid), or Too short: n (where n is the length of the too-short username) on a new line for each test case.
Sample Input :
3 Peter Me Arxwwz
Sample Output :
Valid Too short: 2 Invalid
Explanation :
Username Me is too short because it only contains 2 characters, so your exception prints Too Short : 2.
All other validation is handled by the locked code in your editor.
Inherited Code in C++ – Hacker Rank Solution
#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
#include <cassert>
using namespace std;
// Write your Student class here
class Student
{
private:
int scores[5];
public:
void input()
{
for (int i = 0; i < 5; i++)
{
cin >> scores[i];
}
}
int calculateTotalScore()
{
int count = 0;
for (int i = 0; i < 5; i++)
{
count += scores[i];
}
return count;
}
};
int main()
{
int n; // number of students
cin >> n;
Student *s = new Student[n]; // an array of n students
for(int i = 0; i < n; i++)
{
s[i].input();
}
// calculate kristen's score
int kristen_score = s[0].calculateTotalScore();
// determine how many students scored higher than kristen
int count = 0;
for(int i = 1; i < n; i++)
{
int total = s[i].calculateTotalScore();
if(total > kristen_score)
{
count++;
}
}
// print result
cout << count;
return 0;
}
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