c++ assignment need help with

Mrn2
timer Asked: Sep 20th, 2015

Question Description


assignent need it to be done asap 




Write computer programs to solve the following problems. Make sure you follow all instructions.


1- Write a program to display the following output using a single output statement.

Subject                   Grade

Mathematics           90

Computer Pgrm       75

Chemistry               80


2- Write a program that adds 2 predefined numbers and outputs the result (including the operation).

Then collect input (numbers) from the user and perform the same operation and output the corresponding result.


3- Write a program that uses 3 variables only. Collects 2 inputs (numbers) from the user into 2 variables, then swaps the value of the two variables.

Display the operation in the console output window in the following manner:

The values entered are: Variable1 = 48     Variable2 = 5

The swapped values are: Variable1 = 5     Variable2 = 48


(Bonus) zWhen you are done, see if you can swap the values without using the third variable (Optional). 


4- Write a program that collects the radius of a circle from the user, then calculate and displays periimeter and area of the circle.


5- Write a program that perfoms the followin operations. Make sure to replace the variable x and y with more meaniful variable identifiers line var1 and var 2, or xvar and y var, or variableX and variableY.

Display the operations on the screen along with an output statement for each statement of code explaining what happened and the resulting values of each variable after each statement. Also add comments to your code as you write it for each statement (points will be substracted if no comment is provided for each line or statement in your code).


int x = 10, y;

y = x   +   7%2;

cout << y;

y = 5   +   x++;

cout << y;

y = ++x   +   10;

cout << y;

x = 10;

cout << ++x;

cout << x++;

x = 10;

y = x   +   x++;

cout << y;

cout << x;

y = ++x   +   x++   +   x;

cout << y;

cout << x;

y = x++   +   x;

cout << y;

cout << x;

y = x   +   ++x;

cout << y;

cout << x;


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