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3.




. (*), , .

Fahrenheit = (Celsius * 1.8) + 32

. Windows Calculator! , . :

✓ ;

✓ .

. , convert.. .

#include <iostream>

using namespace std;

 

int main() {

 

//

double ctemp, ftemp;

 

//

cout << "Input a Celsius temp and press ENTER: ";

cin >> ctemp;

 

// ftemp (Fahrenheit)

ftemp = (ctemp * 1.8) + 32;

cout << "Fahrenheit temp is: " << ftemp;

return 0;

}

, , C++ , (//). C++ ( ), .

3: , .

4: , : ftemp ( ), ctemp ( ). . (: - ctemp = (ftemp - 32) /1.8.)

 

if if-else

- , ». , i f C++. if:

if ()

if, , . (, , .)

if ( == )

cout << " and are equal.";

. (==) (=). . C++ : , ; .

, , ? (compound statement) ( (statement block)):

if ( == )

{

cout << " and are equal." endl;

cout "Isn't that nice?";

they_are__equal = true;

}

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({}) , . if, :

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if {}

1

else

2

 

4: ?

, . , , (%) if-else .

, , , . , if.

#include <iostream>

using namespace std;

 

int main()

{

int n, remainder;

cout << "Enter a number and press ENTER: ";

cin >> n;

 

// 2

remainder = n % 2;

 

// 0, ,

if (remainder == 0)

cout << "The number is even.";

else

cout << "The number is odd.";

return 0;

}

n, remainder.

n 2 . (modulus) (remainder). , ( ) remainder ( ).

remainder = n % 2;

(%) C++ . :

3 %2 1 Odd ()

4 % 2 0 Even ()

25% 2 1 Odd

60% 2 0 Even

25 % 5 0 Divisible by 5 ( 5)

13 % 5 3 Not divisible by 5 (He 5)

 

5: ( ).

6: .





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