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COSC 1436 C++ Exam Study Questions and Answers
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COSC 1436 C++ Exam Study Questions and Answers Given an integer variable strawsOnCamel, write a statement that uses the auto-increment operator to increase the value of that variable by 1. - ANSWER-strawsOnCamel++; Given an integer variable timer, write a statement that uses the auto-decrement ...

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  • November 3, 2024
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COSC 1436 C++ Exam Study Questions

and Answers


Given an integer variable strawsOnCamel, write a statement that uses the auto-increment operator to

increase the value of that variable by 1. - ANSWER✔✔-strawsOnCamel++;


Given an integer variable timer, write a statement that uses the auto-decrement operator to decrease

the value of that variable by 1. - ANSWER✔✔-timer--;


Consider this code: "int v = 20; --v; cout << v++;". What value is printed, what value is v left with? -

ANSWER✔✔-19 is printed, v ends up with 20


Consider this code: "int s = 20; int t = s++ + --s;". What are the values of s and t? - ANSWER✔✔-s is 20

and t cannot be determined


Given an int variable k that has already been declared, use a while loop to print a single line consisting of

97 asterisks. Use no variables other than k. - ANSWER✔✔-1. while (k<97)


2. {


3. cout<<"*";


4. k++;}



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, Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024




Given an int variable n that has already been declared and initialized to a positive value, and another int

variable j that has already been declared, use a while loop to print a single line consisting of n asterisks.

Thus if n contains 5, five asterisks will be printed. Use no variables other than n and j. - ANSWER✔✔-1.

j=n;


2. while(j>0){


3. cout<<"*";


4. j--;


5. }


Given a string variable s that has already been declared, write some code that repeatedly reads a value

from standard input into s until at last a "Y" or "y"or "N" or "n" has been entered. - ANSWER✔✔-1. while

((s!="Y"&&s!="y"&&s!="N"&&s!="n"))


2. {


3. cin>>s;


4. }


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. - ANSWER✔✔-1.

while(n>10||n<1){


2. cin>>n;

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, Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024




3. }


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. -

ANSWER✔✔-1. total=0;


2. k=1;


3. do{


4. total+=k*k;


5. k++;


6. }while(k<=50);


Given an int variable n that has already been declared and initialized to a positive value, and another int

variable j that has already been declared, use a do...while loop to print a single line consisting of n

asterisks. Thus if n contains 5, five asterisks will be printed. Use no variables other than n and j. -

ANSWER✔✔-1. j=1;


2. do{


3. cout<<"*";


4. j++;



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