#include <stdio.h>

size_t select_pivot(int *array,size_t size)
{
	size_t counter = 1;
	while(counter != size && array[counter-1] == array[counter]){
		counter++;
	}
	return counter == size || array[counter-1] < array[counter]?counter
	                                                           :counter-1;
}

int main(void)
{
	int array[8] = {6,6,1,4,2,9,3,7};
	size_t pivot = select_pivot(array,8);
	if(pivot != 8){
		printf("pivot : array[%d] = %d\n",pivot,array[pivot]);
	}
	else{
		printf("sorted\n");
	}
	return 0;
}