iafsilva

fun solution(a: IntArray): Int {
    val nrSplits = a.size - 1
    val differences = IntArray(nrSplits)

    var leftTape = 0
    var rightTape = a.sum()
    var x: Int

    for (p in 1..nrSplits) {
        x = a[p-1]

iafsilva

fun solution(a: IntArray): Int {
    // First edge case: missing is the first nr
    if (a.isEmpty()) return 1

    a.sort()

    for (i in a.indices) {
        // Index 0 must be 1, Index 1 must be 2, and so on.
        // Whenever that's not true, we found our missing nr
        if (a[i] != i + 1) return i + 1

iafsilva

fun solution(x: Int, y: Int, d: Int): Int {
    val distance = y - x
    val jumps = distance / d

    // If the jumps are 1.1, that means 2 jumps.
    return if (distance % d == 0) jumps else jumps + 1
}

iafsilva

fun solution(A: IntArray): Int {
    var unpairedElement = 0

    for (element in A) unpairedElement = unpairedElement xor element

    return unpairedElement
}

iafsilva

fun solution(A: IntArray): Int {
    val counter = HashSet<Int>()

    for (i in A) if (!counter.remove(i)) counter.add(i)

    return counter.first()
}

iafsilva

fun solution(n: Int): Int {
    var longestBinaryGap = 0
    var currentBinaryGap = 0
    var isCounting = false

    // Get binary representation
    val binaryString = Integer.toBinaryString(n)

    for (char in binaryString) {
        when {

iafsilva

import java.util.*;
import java.util.concurrent.*;

class Main {
  public static void main(String[] args) {
      Set<Integer> s = Collections.newSetFromMap(new ConcurrentHashMap<Integer, Boolean>());
      CopyOnWriteArrayList<Integer> a = new CopyOnWriteArrayList<>();
    
      int total1 = 0;
      int total2 = 0;

iafsilva

/*
# Exploit Title: ofs.c - overlayfs local root in ubuntu
# Date: 2015-06-15
# Exploit Author: rebel
# Version: Ubuntu 12.04, 14.04, 14.10, 15.04 (Kernels before 2015-06-15)
# Tested on: Ubuntu 12.04, 14.04, 14.10, 15.04
# CVE : CVE-2015-1328     (http://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-1328.html)
 
*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*
CVE-2015-1328 / ofs.c