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on:
  workflow_dispatch:

jobs:
  ssh:
    name: "ssh to remote server"
    runs-on: ubuntu-latest
    steps:
      - name: Create SSH Config on temporary VM
        run: |

antoniopicone

# install docker
sudo apt remove docker docker-engine docker.io containerd runc
sudo apt update && sudo apt install -y ca-certificates curl gnupg lsb-release
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu \
$(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
sudo apt update && sudo apt install -y docker-ce docker-ce-cli containerd.io docker-compose-plugin
sudo usermod -aG docker $USER

# install tailscale VPN

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#!/bin/bash

# Set runlevel 3 (disable gui)
sudo systemctl set-default multi-user.target

# Disable power management
sudo systemctl mask sleep.target suspend.target hibernate.target hybrid-sleep.target

antoniopicone

! clean most of the modifiers
clear control
clear mod4
clear mod1

! gt, lt
keycode 49 = less greater less greater bar brokenbar bar
keycode 94 = backslash bar backslash brokenbar

! -----------------

antoniopicone

var CountingSort = function(A,k) {

    var B=[];
    B.push(null); // avoid undefined
    var C=[];
    for (var i=0;i<=k;i++){
        C[i] = 0;
    }
    for(var j=1;j<A.length;j++) {

antoniopicone

Array.prototype.swap = function(x,y) {
    if(x == undefined || y == undefined) return;
    var temp = this[x];
    this[x] = this[y];
    this[y] = temp;
};

var Partition = function(A,p,r) {

antoniopicone

Array.prototype.swap = function(x,y) {

    if(this[x] == undefined || this[y] == undefined) return;

    var temp = this[x];
    this[x] = this[y];
    this[y] = temp;

};

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// require Merge.js

var MergeSort = function(A,p,r) {
    if (p < r) {
        var q = Math.floor(r-p);
        var left = MergeSort(A,p,q);
        var right = MergeSort(A,q+1,r);
        return Merge(A,p,q,r);
    }
    return A;

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var merge = function(A,p,q,r) {
  // 1, 4 , 9, intervalli da [1..4] incluso, [5...9] 
  var n1 = q - p +1; // = 4 -1 +1 = 4
  var n2 = r - q; // 5
  var L = [], R = [];
  for(var i=1; i<=n1;i++) { // da 1 a 4 
    L[i] = A[p + i - 1]; // setta L[i] = A[1+1-1]=  6, L[1+2-1]=L[2]=7, L[1+3-1]=L[3]=8, L[1 + 4 -1]=L[4] = 9
  }
  for (var j=1;j<=n2;j++) { // da 1 a 5 

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var sequence = [3,4,1,2,6,5,8,7,9,0];

function insertionSort() {
  
  for (var j=1;j<sequence.length;j++) {
     var key = sequence[j];
     var i=j-1;
     while( i>=0 && sequence[i]>key ) {
      sequence[i+1] = sequence[i];
      i = i-1;