Hackerrank | 30 days of code | Day 17-Solution in c++| More-Exceptions-hackerrank-Solution-in-c++

Hackerrank | 30 days of code | Day 17-Solution in c++| More-Exceptions-hackerrank-Solution-in-c++

https://www.hackerrank.com/challenges/30-more-exceptions/problem

Day 17 More Exceptions Solution in Cpp

#include <iostream>
#include <cmath>
#include <exception>
#include <stdexcept>
using namespace std;

class Calculator {
public:
    int power(int n, int p) {
        if (n < 0 || p < 0)
            throw invalid_argument("n and p should be non-negative");
        return (int) pow(n, p);
    }
};
int main()
{
    Calculator myCalculator=Calculator();
    int T,n,p;
    cin>>T;
    while(T-->0){
      if(scanf("%d %d",&n,&p)==2){
         try{
               int ans=myCalculator.power(n,p);
               cout << ans << endl; 
         }
         catch(exception& e){
             cout << e.what() << endl;
         }
      }
    }
    
}