Given the function definition below, what is the effect of thecall:
change(ar, 0, n-1);
where n is the size of array ar?
void change(int ar[], int low, inthigh)
{
inttemp;
if(low< high)
{
temp= ar[low];
ar[low]= ar[high];
ar[high]= temp;
change(ar, low + 1, high - 1);
}
}
a. sort the first n elements of ar inascending order
b. reverse the first n elements of ar
c. switch the first and last elements ofar
d. sort the first and last elements ofar
e. none of the above

Kyle, a receptionist for a building supply company, recently won an award for saving his company money on their phone system. after being presented with kyle's research, the company changed the way in which it made long-distance phone calls and cut their expenses in this area by 75 percent. the new system the kyle's company most likely adopted was wired communications switching stations voip hdtv

Write a program that uses a widgetviewer object to do the following: generate two random integers between 1 and 9 (inclusive). name one of them x, the other y. display them to the user using jlabel objects. create a jlabel object displaying the text "enter an operation number." create a jtextfield for the user's input. create a jbutton displaying the text "press here when you've entered your operation." use addandwait to add it to the widgetviewer object. when the user clicks the jbutton, evaluate operation in the following order to determine the one and only mathematical operation to perform on x and y. use a jlabel to display the result. if operation is between 1 and 10 inclusive, add x and y. if operation is evenly divisible by 4, subtract y from x. if operation is evenly divisible by 5, use integer division to divide y into x. if operation is an even number, use floating point division to divide y into x. if none of the other tests on operation apply, multiply x and y. note: operation can be negative or zero.

An endless cycle of creation and response on the internet is called