Question

Language C++

Thank You!

-Write a function getMeASentence() that takes zero arguments, and its return type is string. This function will return a randomly generated sentence that abides by certain rules.

-The rules of this sentence are that there are 5 randomly generated lowercase letters, a space, a randomly generated inequality symbol, a space, and a randomly generated 1 digit number.

-In this context, an inequality symbol is understood to mean the "<", ">", or "=" symbol.

-Write a function isItCloseEnough(double, double, double) that takes three arguments of type double, num1, num2, and cutoff. Its return type is Boolean. It will return true if num1 and num2 are within a distance of cutoff, false otherwise. It is up to you to decide what value to return if the distance is exact.

-In your main function, write code that calls the getMeASentence() function 2 separate times, with appropriate labels, to test that it is working.

-In your main function, also write code to test the IsItCloseEnough(double, double, double) function by prompting the user to enter three numbers, and then call the function and output the results with appropriate labels. You should do this THREE times to test it properly.

Sample Output (remember that random values may vary)

Sentence 1: bksde > 6

Sentence 2: zloxr = 9

Enter 3 numbers: 2.1 2.3 0.3

Yes the numbers are within the cutoff.

Enter 3 numbers: 2.3 2.1 0.3

Yes the numbers are within the cutoff.

Enter 3 numbers: 2.3 2.1 0.1

No the numbers are not within the cutoff.

*Explanation*: In all cases, the distance between the two entered numbers is 0.2. If the cutoff is 0.3 units, then yes, the numbers are within the cutoff distance, but if the cutoff is 0.1 like that last case, then that is considered to be no.

Answer 1

Answered On : 15 - Oct - 2020

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Language : C++ Programming

IDE : Dev C++

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#include <iostream>
#include <ctime>
#include <cstdlib>
using namespace std;

string getMeASentence(){
   string s = "";
   char ascii;
   // generate random letters for 5 times
   for(int i=0; i<5; i++){
        ascii = 'a'+rand()%26;
        s = s+ascii;
   }
   // add space and comparator symbol
   s = s+" ";
   ascii = '<'+rand()%3;

   // add space and digit
   s = s+ascii+" ";
   ascii = '0'+rand()%10;
   s = s+ascii;

   // return string
   return s;
}

bool isItCloseEnough(double num1,double num2,double cutoff){
   // calculate difference
    double diff = num1-num2;
    // if difference is negative make it positive
    if(diff < 0){
       diff = -diff;
   }
    // if difference within cutoff, return true,else false
    if(diff <= cutoff){
       return true;
   }
   return false;
}

int main(){
   srand(time(NULL));
  
   // print random sentence for 2 times
   cout << "Sentence 1: " << getMeASentence() << endl;
   cout << "Sentence 2: " << getMeASentence() << endl;

   double num1,num2,cutoff;
   for(int i=0; i<3; i++){
        cout << "Enter 3 numbers: ";
        cin >> num1 >> num2 >> cutoff;
        if(isItCloseEnough(num1,num2,cutoff)){
           cout << "Yes the numbers are within the cutoff.\n";
       }
       else{
           cout<<"No the numbers are not within the cutoff.\n";
       }
   }
   return 0;
}

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