#include <iostream>
#include <climits>
void GetSmallest3(int arr[], int size, int *first, int *second, int *third) {
if (size < 3) {
return;
}
*third = *first = *second = INT_MAX;
for (int i = 0; i < size; i++) {
if (arr[i] < *first) {
*third = *second;
*second = *first;
*first = arr[i];
}
else if (arr[i] < *second) {
*third = *second;
*second = arr[i];
}
else if (arr[i] < *third)
*third = arr[i];
}
}
int main()
{
int arr[] = { 12, 98, 80, 50, 88, 35, 60, 97, 85, 89 };
int size = sizeof(arr) / sizeof(arr[0]);
int first, second, third;
GetSmallest3(arr, size, &first, &second, &third);
std::cout << first << " " << second << " " << third;
return 0;
}
/*
run:
12 35 50
*/
