Write a statement that increments the value of the int

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Reference no: EM132217604

C++

a)Given an int variable n that has already been declared, write some code that repeatedly reads a value into n until at last a number between 1 and 10 (inclusive) has been entered.

b) Given a char variable c that has already been declared, write some code that repeatedly reads a value from standard input into c until at last a 'Y' or 'y' or 'N' or 'n' has been entered.

c) Write a loop that reads positive integers from standard input, printing out those values that are greater than 100, and that terminates when it reads an integer that is not positive. The values should be separated by single blank spaces. Declare any variables that are needed.

d)Given an integer variable timer, write a statement that uses the auto-decrement operator to decrease the value of that variable by 1.

e)Given an int variable k that has already been declared, use a for loop to print a single line consisting of 97 asterisks. Use no variables other than k.

f) Given an int variable i that has already been declared, write a for loop that prints the integers 0 through 39, separated by spaces. Use no variables other than i.

g) Write a for loop that prints the odd integers 11 through 121 inclusive, separated by spaces.

h)Given an int variable count that has already been declared, write a for loop that prints the integers 50 through 1, separated by spaces. Use no variables other than count.

i) Write a statement that increments the value of the int variable total by the value of the int variable amount. That is, add the value of amount to total and assignthe result to total.

j)Given that two int variables, total and amount, have been declared, write a sequence of statements that:

initializes total to 0

reads three values into amount, one at a time.

After each value is read in to amount, it is added to the value in total (that is, total is incremented by the value in amount).

k) Write a for loop that computes the following sum: 5+10+15+20+...+485+490+495+500. The sum should be placed in a variable sum that has already been declaredand initialized to 0. In addition, there is another variable, num that has also been declared. You must not use any other variables.

l) Given int variables k and total that have already been declared, use a for loop to compute the sum of the squares of the first 50 counting numbers, and store this value in total. Thus your code should put 1*1 + 2*2 + 3*3 +... + 49*49 + 50*50 into total. Use no variables other than k and total.

m) Write a loop that reads positive integers from standard input and that terminates when it reads an integer that is not positive. After the loop terminates, it prints out the sum of all the even integers read. Declare any variables that are needed.

n)Write a loop that reads positive integers from standard input and that terminates when it reads an integer that is not positive. After the loop terminates, it prints out the sum of all the even integers read and the sum of all the odd integers read(The two sums are separated by a space). Declare any variables that are needed.

o)Assume that the int variables i, j and n have been declared, and n has been initialized. Write code that causes a "triangle" of asterisks to be output to the screen, i.e., n lines should be printed out, the first consisting of a single asterisk, the second consisting of two asterisks, the third consisting of three, etc. The last line should consist of n asterisks. Thus, for example, if n has value 3, the output of your code should be (scroll down if necessary):

*
**
***

p) Given int variables k and total that have already been declared, use a do...while loop to compute the sum of the squares of the first 50 counting numbers, and store this value in total.

Thus your code should put 1*1 + 2*2 + 3*3 +... + 49*49 + 50*50 into total. Use no variables other than k and total.

Reference no: EM132217604

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