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#include <time.h>
#include <iostream>
#include <stdlib.h>
using namespace std;
// Function prototypes
void showArray ( int a[ ], int size ); // shows the array in the format "int a [ ] = { 3, 7, 4, ... ,5, 6, 3, 4, 7 } "
void showReverse ( int a[ ], int size ); // shows the array in reverse using the format "int a [ ] = { 7, 4, 3, 6, 5, ... , 4, 7, 3 } "
int lowest ( int a[ ], int size ); // finds and returns the lowest value in the array (should be 7)
int highest ( int a[ ], int size ); // finds and returns the highest value in the array (should be 3)
int sumArray ( int a[ ], int size ); // calculates and returns the sum of all values in the array
float averageVal ( int a[ ], int size ); // calculates and returns the average of all values in the array
int count5 ( int a[ ], int size ); // returns how many times the number 5 appears in the array
int firstMinusLast ( int a[ ], int n ); // returns the difference between the First Array Element - Last Array Element
void showBeforeIndex( int a [ ], int size, int index); // shows all array values before a specified index
string done ( ); // a function that shows the message "This program is now complete :)
// **************************************************************************************************************************************
int main ()
{
// Array and reverse array
srand((int)time(NULL));
int i=0;
const int SIZE = 25;
int randvalue[SIZE];
cout << "Making an array of 25 random integers from 3 to 7!" << endl;
for(; i < SIZE; i++)
{
randvalue[i] = rand () % 5 + 3; // random number between 3 to 7
}
cout << "Original array a [ ] = {";
showArray(randvalue, SIZE);
cout << "}" << endl;
int j = SIZE-1;
i = 0;
while( i <= j)
{
swap(randvalue[i], randvalue[j]);
i++;
j--;
}
cout << "Reversed array a [ ] = {";
showArray(randvalue, SIZE);
cout << "}" << endl;
// *******************************************************************************************************
// Calling the function for max and min
int returnMax = highest(randvalue, 25);
cout << "Highest value is " << returnMax << endl;
int returnMin = lowest (randvalue, 25);
cout << "Lowest value is " << returnMin << endl;
// *******************************************************************************************************
// FUNCTION CALL FOR SUM
int returnSum = sumArray (randvalue, 25);
cout << "The sum of all array elements is " << returnSum << endl;
// *******************************************************************************************************
// Function call for AVERAGE
float returnAvg = averageVal (randvalue, 25);
cout << "The average of all array values is " << returnAvg << endl;
// *******************************************************************************************************
// Function call for number of times 5 appears
int return5 = count5 (randvalue, 25);
cout << "The number 5 appears " << return5 << " times." << endl;
// *******************************************************************************************************
// Function call for FIRST - LAST
int returnFirstLast = firstMinusLast (randvalue, 25);
cout << "The difference between the first and and last array elements is " << returnFirstLast << endl;
//********************************************************************************************************
// Function call for array value before specified index
int returnindex = showBeforeIndex (randvalue, 25, 3);
cout << "The array value before index " << index "is " << returnindex << endl; // <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< want this to print whatever I put for
// index as well as the numbers b4
// *******************************************************************************************************
// Function call for DONE
cout << done ();
cout << '\n';
return 0;
}
// Function definition for ARRAY
void showArray ( int a[ ], int size )
{
for(int i = 0; i < size; i++)
cout << a[i];
}
// Function definition for LOWEST value
int lowest ( int a[ ], int size )
{
int min;
min = a[0];
for (int i = 0; i < size; i++)
{
if( a[i] < min) // if i-th element is less than min
{
min = a[i]; // make that our new min
}
}
return min;
}
// Function definition for HIGHEST value
int highest ( int a[ ], int size )
{
int max;
max=a[0];
for (int i = 0; i < size; i++)
{
if (a[i] > max)
{
max = a[i];
}
}
return max;
}
// Function definition for SUM
int sumArray ( int a[ ], int size )
{
int sum=0;
for(int count = 0; count < size; count++){
sum = sum + a[count];
}
return sum;
}
// Function definition for AVERAGE
float averageVal ( int a[ ], int size )
{
return (float)sumArray(a, size)/size;
}
// Function definition for number of 5's
int count5 ( int a[ ], int size )
{
int count = 0;
for (int i = 0; i < size; i++)
{
if (a[i] == 5)
count ++;
}
return count;
}
// Function definition for FIRST - LAST
int firstMinusLast ( int a[ ], int n )
{
return a[n-1] - a[0];
}
// Function for array value before specified index
void showBeforeIndex( int a [ ], int size, int index)
for(int i = 3; i < index; i++){
cout << a[i];
}
// Function definition for
string done ( )
{
return "This program is now complete:)";
}
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