Question $1(12$ points$)$

What is output by the code below?

int gRay$[10]$;

gRay$[0]=33$;

gRay$[1]=14$;

gRay$[2]=37$;

gRay$[3]=11$;

gRay$[4]=27$;

cout $<<$ gRay.length$()$;

Question $1$ options:

a$)$

$4$

b$)$

$11$

c$)$

error

d$)$

$9$

e$)$

$10$

Question $2(11$ points$)$

Which of the following lines would correctly fill

$/*$ code $*/$ in function getIt$()?$

$//$method getIt should return the sum of all numbers in array

int getIt$($int array$[],$ int length$)$

$\{$

int z$=0$;

for$($int spot$=0$; spot $<$ length; spot$++)$

$\{$

$/*$ code $*/$

$\}$

return z;

$\}$

Question $2$ options:

a$)$

z $=$ z $+$ array$[$spot$-1]$;

b$)$

z $=$ z $+$ array$[$spot$+1]$;

c$)$

z $=$ z $+$ array$[$spot$]$;

d$)$

z $=$ z $+$ spot;

Question $3(11$ points$)$

What will be printed?

void changeArray$($ int a $[],$ int len $)$

$\{$

for $($int i $=0$; i $<$ len; i$++)$

a$[$i$]=$ a$[$i$]/3$;

$\}$

$//**$ back in the main method

int arr $[]=\{56,20,6,0,-35,-95,70,12\}$;

int len $=8$;

changeArray$($arr$,$len$)$;

cout $<<$ arr$[7]<<""$;

Your Answer:

Question $3$ options:

Answer

Question $4(11$ points$)$

What is the value of alpha$[2]$ after the following code executes?

int alpha$[5]$;

int j;

for $($j $=0$; j $<5$; j$++)$

alpha$[$j$]=2*$ j $+1$;

Question $4$ options:

a$)$

$6$

b$)$

$4$

c$)$

$5$

d$)$

$1$

Question $5(11$ points$)$

The word const is used before the array declaration in a function heading to allow the function to modify the array.

Question $5$ options:

True

False

Question $6(11$ points$)$

Suppose that list is an array of $10$ components of type int. Which of the following codes correctly outputs all the elements of list?

Question $6$ options:

a$)$

for $($int j $=0$; j $<=9$; j$++)$

cout $<<$ list$[$j$]<<""$;

cout $<<$ endl;

b$)$

for $($int j $=1$; j $<=10$; j$++)$

cout $<<$ list$[$j$]<<""$;

cout $<<$ endl;

c$)$

for $($int j $=1$; j $<11$; j$++)$

cout $<<$ list$[$j$]<<""$;

cout $<<$ endl;

d$)$

for $($int j $=1$; j $<10$; j$++)$

cout $<<$ list$[$j$]<<""$;

cout $<<$ endl;

Question $7(11$ points$)$

Suppose that gamma is an array of $50$ components of type int and j is an int variable. Which of the following for loops sets the index of gamma out of bounds?

Question $7$ options:

a$)$

for $($j $=0$; j $<=50$; j$++)$

cout $<<$ gamma$[$j$]<<""$;

b$)$

for $($j $=0$; j $<=49$; j$++)$

cout $<<$ gamma$[$j$]<<""$;

c$)$

for $($j $=0$; j $<=48$; j$++)$

cout $<<$ gamma$[$j$]<<""$;

d$)$

for $($j $=1$; j $<50$; j$++)$

cout $<<$ gamma$[$j$]<<""$;

Question $8(11$ points$)$

Suppose list is a one dimensional array of size $25,$ wherein each component is of type int. Further, suppose that sum is an int variable. The following for loop correctly finds the sum of the elements of list.

sum $=0$;

for $($int i $=0$; i $<25$; i$++)$

sum $=$ sum $+$ list;

Question $8$ options:

True

False

Question $9(11$ points$)$

Given two arrays of integers $($arr$1$ & arr$2)$ with identical lengths, the following if statement will determine if the arrays have the same values.

if $($arr$1==$ arr$2)$

Question $9$ options:

True

False