void quickSort(int arr[], int left, int right) {
int i = left, j = right;
int tmp;
int pivot = arr[(left + right) / 2];
/* partition */
while (i <= j) {
while (arr[i] < pivot)
i++;
while (arr[j] > pivot)
j--;
if (i <= j) {
tmp = arr[i];
arr[i] = arr[j];
arr[j] = tmp;
i++;
j--;
}
};
/* recursion */
if (left < j)
quickSort(arr, left, j);
if (i < right)
quickSort(arr, i, right);
}
Oh, come on, really? I understand what LittleQuick was trying to do there: type his response in code.
Aside from that, regarding the graphics (arrays have already been covered), that very much depends on what library or API you'd like to use. A lot of us might recommend SFML, but any preference?