/**
 * Given a list of tuples, find the intersection of tuples whose elements are not equal.
 *
 * @param tuples A list of tuples
 * @return A list of tuples representing the intersection of tuples with non-equal elements
 */
fun indexingTuplesNotEqual(tuples: List<Pair<Int, Int>>): List<Pair<Int, Int>> {

    val intersection = mutableListOf<Pair<Int, Int>>()

    for (i in tuples.indices) {
        for (j in 0 until tuples[i].second) {
            for (k in i + 1 until tuples.size) {
                for (l in 0 until tuples[k].second) {
                    if (tuples[i].first != tuples[k].first && Pair(tuples[i].first, tuples[k].first) !in intersection) {
                        intersection.add(Pair(tuples[i].first, tuples[k].first))
                    }
                }
            }
        }
    }

    return intersection
}
/**
 * Given a list of tuples, find the intersection of tuples whose elements are not equal.
 *
 * @param tuples A list of tuples
 * @return A list of tuples representing the intersection of tuples with non-equal elements
 */
fun indexingTuplesNotEqual(tuples: List<Pair<Int, Int>>): List<Pair<Int, Int>> {
/**
 * Given a list of tuples, find the intersection of tuples whose elements are not equal.
 *
 * @param tuples A list of tuples
 * @return A list of tuples representing the intersection of tuples with non-equal elements
 */
fun indexingTuplesNotEqual(tuples: List<Pair<Int, Int>>): List<Pair<Int, Int>> {

    val intersection = mutableListOf<Pair<Int, Int>>()

    for (i in tuples.indices) {
        for (j in 0 until tuples[i].second) {
            for (k in i + 1 until tuples.size) {
                for (l in 0 until tuples[k].second) {
                    if (tuples[i].first != tuples[k].first && Pair(tuples[i].first, tuples[k].first) !in intersection) {
                        intersection.add(Pair(tuples[i].first, tuples[k].first))
                    }
                }
            }
        }
    }

    return intersection
}