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jek_recluse [69]
2 years ago
15

Again, suppose that n and r denote integer values where r > 0 and n ≥ 0. What are two "simple" values, say lowEnough and tooH

igh, such that lowEnough ≤ ⌊n√r⌋⌊nr⌋ < tooHigh. Explain based on your answer to the previous question.
Suppose you would like to know ⌊47226−−−−−√5⌋⌊472265⌋. Explain how you could find ⌊47226−−−−−√5⌋⌊472265⌋ using a guess and verify method. Note: Explain your answer by relating this problem to the number guessing game described earlier. Think about what would be an appropriate question to use in place of "Is secret_number < guess_number?" and think about good choices for the starting values of lowEnough and tooHigh.
Computers and Technology
1 answer:
enyata [817]2 years ago
6 0

Answer:

Answer explained

Explanation:

From the previous question we know that while searching for n^(1/r) we don't have to look for guesses less than 0 and greater than n. Because for less than 0 it will be an imaginary number and for rth root of a non negative number can never be greater than itself. Hence lowEnough = 0 and tooHigh = n.

we need to find 5th root of 47226. The computation of root is costlier than computing power of a number. Therefore, we will look for a number whose 5th power is 47226. lowEnough = 0 and tooHigh = 47226 + 1. Question that should be asked on each step would be "Is 5th power of number < 47227?" we will stop when we find a number whose 5th power is 47226.

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Write a program that replaces words in a sentence. The input begins with word replacement pairs (original and replacement). The
marin [14]

Answer:

Following are the program in the Python Programming Language

#set variable to input sentence to replace words

sen = input()

#split that sentence

sen = sen.split()

#set variable to input whole sentence

get = input()

#set the for loop to replace words

for i in range(0, len(sen), 2):

 #check condition when words of sen is in get

 if sen[i] in get:

   #then, replace words

   get = get.replace(sen[i], sen[i+1])

#print the whole string after replacing

print('\n',get)

Explanation:

<u>Following are the description of the program</u>.

  • Set a variable 'sen' that get a sentence for replacing the word.
  • Split that sentence by split() method and again store that sentence in the following variable.
  • Set a variable 'get' that gets the whole sentence from the user.
  • Set the for loop for replacing words then, set the if conditional statement that checks the condition that the variable 'sen' in the variable 'get' then replace the words.
  • Finally, print the whole sentence after the replacement.
4 0
2 years ago
Write a copy assignment operator for CarCounter that assigns objToCopy.carCount to the new objects's carCount, then returns *thi
ollegr [7]

Answer:

Here is the copy assignment operator for CarCounter:

CarCounter& CarCounter::operator=(const CarCounter& objToCopy) {

carCount = objToCopy.carCount;

return *this;  }

The syntax for copy assignment operator is:

ClassName& ClassName :: operator= ( ClassName& object_name)

In the above chunk of code class name Is CarCounter and object name is objToCopy.

Assignment operator = is called which assigns objToCopy.carCount to the new objects's carCount.

This operator basically is called when an object which is already initialized is assigned a new value from another current object.

Then return *this returns the reference to the calling object

Explanation:

The complete program is:

#include <iostream>  //to use input output functions

using namespace std;   //to access objects like cin cout

class CarCounter {  //class name

public:  // public member functions of class CarCounter

CarCounter();  //constructor of CarCounter

CarCounter& operator=(const CarCounter& objToCopy);  //copy assignment operator for CarCounter

void SetCarCount(const int setVal) {  //mutator method to set the car count value

carCount = setVal;  } //set carCount so setVal

int GetCarCount() const {  //accessor method to get carCount

return carCount;  }  

private:  //private data member of class

int carCount;  };    // private data field of CarCounter

CarCounter::CarCounter() {  //constructor

carCount = 0;  //intializes the value of carCount in constructor

return; }  

// FIXME write copy assignment operator  

CarCounter& CarCounter::operator=(const CarCounter& objToCopy){

/* copy assignment operator for CarCounter that assigns objToCopy.carCount to the new objects's carCount, then returns *this */

carCount = objToCopy.carCount;

return *this;}  

int main() {  //start of main() function

CarCounter frontParkingLot;  // creates CarCounter object

CarCounter backParkingLot;   // creates CarCounter object

frontParkingLot.SetCarCount(12);  // calls SetCarCount method using object frontParkingLot to set the value of carCount to 12

backParkingLot = frontParkingLot;  //assigns value of frontParkingLot to backParkingLot

cout << "Cars counted: " << backParkingLot.GetCarCount();  //calls accessor GetCarCount method to get the value of carCount and display it in output

return 0;  }

The output of this program is:

Cars counted = 12

3 0
2 years ago
Lian is asked to create a variable that will keep track of how many times the user has tried to enter their password. What kind
Kisachek [45]
What are the answers?

Hdhdhdgd. Oxide
4 0
2 years ago
A clock is reading 10:27:54.0 (hr:min:sec) when it is discovered to be 4 seconds fast. Explain why it is undesirable to set it b
lara31 [8.8K]

Answer:

(a)Applications Time Stamp Events

(b)S=0.5(W-T_{skew})+T_{skew}, where T_{skew}≤W≤T_{skew}+8.

Explanation:

Some applications assume that clocks always advance, so they could timestamp events under this assumption.

In our case we have the wrong timed clock, say W and the hardware clock H which is supposed to advance at a perfect rate.

We proceed to construct a software clock such that after 8 seconds we can replace the wrong timed clock with the software clock in good conditions.

Let us denote the software clock with S.

Then, S=c(W-T_{skew})+T_{skew} where:

T_{skew}=The current Time(10:27:54) and;

c is to be found.

We already know that S=T_{skew}+4 when W= T_{skew}+8,

So:

S=c(W-T_{skew})+T_{skew}

T_{skew}+4=c(T_{skew}+8-T_{skew})+T_{skew}

4=8c

c=0.5

We obtain the formula

S=0.5(W-T_{skew})+T_{skew}, where T_{skew}≤W≤T_{skew}+8.

4 0
2 years ago
Temperature Class Write a Temperature class that will hold a temperature in Fahrenheit and provide methods to get the temperatur
posledela

Answer:

Explanation:

   public class Temperature

   {

       double ftemp;

       public int Constructor(double fahrenheit)

       {

           ftemp = fahrenheit;

          return Convert.ToInt32(ftemp);

       }

       public void setFahrenheit(double fahrenheit)

       {

           ftemp = fahrenheit;

       }

       public void getFahrenheit()

       {

           ftemp = Constructor(ftemp);

       }

       public void getCelcius()

       {

           ftemp = (ftemp - 32) * 5 / 9;

       }

       public void getKelvin()

       {

           ftemp = (ftemp - 32) * 5 / 9 + 273.15;

       }

   }

8 0
2 years ago
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