Functions are code segments that are executed when called or invoked
The function definition is not given; so, the output of the program cannot be outrightly determined.
However, the following are the possible scenarios.
- The program would return 35.55 if the 2 represents the digits after decimal.
- The program would return 36 if the 2 represents the significant digits.
It is unlikely for the program to return (a) 35.555 and (d) 40
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Answer:
// here is code in C++.
#include <bits/stdc++.h>
using namespace std;
// function
string is_perfect(int n)
{
// string variables
string str;
// if number is negative
if (n < 0)
{
str="invalid input.";
}
// if number is positive
else
{
int a=sqrt(n);
// if number is perfect square
if((a*a)==n)
{
str="True";
}
// if number is not perfect square
else
{
str="False";
}
}
// return the string
return str;
}
// main function
int main()
{
// variables
int n;
cout<<"enter the number:";
// read the value of n
cin>>n;
// call the function
string value=is_perfect(n);
// print the result
cout<<value<<endl;
return 0;
}
Explanation:
Read a number from user and assign it to variable "n".Then call the function is_perfect() with parameter n.First check whether number is negative or not. If number is negative then return a string "invalid input".If number is positive and perfect square then return a string "True" else return a string "False".
Output:
enter the number:-3
invalid input.
enter the number:5
False
enter the number:16
True
Answer:
It can show them something educational while showing something entertaining at the same time.
Explanation:
Fiber optics. Hope this helps
