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C6E1AscendingDescendingOrder.c
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/* Challanges Ch6E1 - AscendingDescendingOrder */
// By Jim-Kristian Malmhaug | Date: 15 September 2013
//Notes: Sorting numbers.
//References:
#include <stdio.h>
int giArray[10] = {-1};
void showNumbers(int); //Function prototype which shows the sorted array
void ascendingOrder(void); //Function prototype which sort the numbers in an ascending order.
main() {
int i = 0;
int j = 0;
int iSelect = 0;
printf("\n\n*** Ascendig & descending numbers ***\n\n");
printf("Please enter 10 numbers\n\n");
for(i = 0 ; i < 10 ; i++) {
printf("Enter %d number: ", (i+1));
scanf("%d", &giArray[i]);
}
printf("\n\nYou entered the numbers:\n\n");
for(j = 0 ; j < 10 ; j++) {
printf("%d\n", giArray[j]);
}
printf("\n\nWhat will You do with Your numbers?\n\n");
printf("1. Sort them in an ascending order\n\n2. Sort them in an descending order\n\n");
printf("\n\n---> ");
scanf("%d", &iSelect);
switch(iSelect) {
case 1:
printf("\n\nAscending Order\n\n");
ascendingOrder();
showNumbers(1);
break;
case 2:
printf("\n\nDescending Order:\n\n");
ascendingOrder();
showNumbers(2);
break;
}
} //End of main()
/************************************
Function Definition
ascendingOrder
************************************/
void ascendingOrder(void) {
int k = 0;
int iTempNum = 0;
int iNumSeen = 0;
do {
for(k = 0 ; k < 9 ; k++) {
if(giArray[k] > giArray[k+1]) {
iTempNum = giArray[k];
giArray[k] = giArray[k+1];
giArray[k+1] = iTempNum;
}
}
iNumSeen++;
} while (iNumSeen != 9);
printf("\n\n\n");
}
/************************************
Function Definition
showNumbers
************************************/
void showNumbers(int iSelect) {
int l = 0;
int m = 9;
if(iSelect == 1) {
for(l = 0 ; l < 10 ; l++) {
printf("%d\n", giArray[l]);
}
}
else {
for(m = 9 ; m >= 0 ; m--) {
printf("%d\n", giArray[m]);
}
}
}