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#include <cstdio>
const int minSize = 1;
const int maxSize = 20;
void welcome();
int getValue(const int minSize, const int maxSize );
void initialize(int arr[ ], int size);
void display(int arr[ ], int size);
void rotate(int arr[ ], int size);
int main()
{
//array to be rotated
int dataArray[maxSize];
//introduce the program to the user
welcome();
//let the user pick how much of the array will be used
int sizeUsed = getValue(minSize, maxSize);
//initialize the contents in use
initialize(dataArray, sizeUsed);
//display the initial content
display(dataArray, sizeUsed);
//repeatedly rotate and display the contents
//until we are back to the original layout
for(int i = 0; i < sizeUsed; i++) {
rotate(dataArray, sizeUsed);
display(dataArray, sizeUsed);
}
//end the program
return 0;
}
void welcome()
{
printf("Welcome to the array rotation program\n");
printf("\n");
printf("This program will initialize an array and then repeatedly rotate its contents\n");
printf("\n");
}
int getValue(const int minSize, const int maxSize)
{
bool validData = false;
int userVal;
printf("Please selcect an array size in the range 1 to 20\n");
int scanCount = scanf("%d", &userVal);
do {
if(scanCount == 0) {
printf("That was not a number, please try again\n");
scanf("%*s");
} else if((userVal < minSize) || (userVal > maxSize)) {
printf("That was not within the correct range, please try again\n");
scanf("%*s");
} else {
validData = true;
}
}
while(validData == false);
return userVal;
}
void initialize(int arr[ ], int size)
{
for(int i = 0; i < size; i++) {
arr[i] = i;
}
}
void display(int arr[ ], int size)
{
for(pos = 0; pos <= size; pos++) {
printf("%d", arr[pos]);
}
}
void rotate(int arr[ ], int size)
{
}
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