#include <stdio.h>
#include <stdlib.h>

int* removeElements(int* array, int x, int y, int n) {
    int *new;
    int i = 0, j = 0;
    new = malloc((n-2)*sizeof(int));
    while (i < n) {
        if (array[i] != array[x] || array[i] != array[y])
            new[j++] = array[i];
        i++;
    }
    free(array);
    return new;
}

void calcMinPair(int* array, int n) {
    int i = 0, j = 0;
    int x, y, val = 0;
    int min = 100;
    x = 0; y = 0;
    while (i < n) {
        j = 0;
        while (j < n) {
            if (i != j) {
                val = array[i] - array[j];
                if (val < 0)
                    val = 0 - val;
                if (val < min) {
                    min = val;
                    x = i;
                    y = j;
                }
            }
            j++;
        }
        i++;
    }
    array = removeElements(array, x, y, n);
}

int main(int argc, char *argv[]) {
    int array[10] = {2, 3, 10, 5, 8, 9, 7, 3, 5, 2};
    int counter = 10, i;
    while (counter > 1) {
        i = 0;
        while (i < counter)
            printf("%d ", array[i++]);
        printf("\n");
        calcMinPair(array, counter);
        counter = counter - 2;
    }
    return 0;
}