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  public static String point(int x, int y) {
    return String.format("%sx%s", x, y);
  }
                         
  public static int contiguousRegions(int[][] matrix) {
    var seen = new HashSet<String>();
    var count = 0;
    
    for (int i = 0; i < matrix.length; ++i) {
      for (int k = 0; k < matrix[0].length; ++ k) {

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fzf --preview '([[ -f {} ]] && (bat --style=numbers --color=always {} || cat {})) || ([[ -d {} ]] && (tree -C {} | less)) || echo {} 2> /dev/null | head -200'

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curl -fsSL https://get.docker.com | sh
sudo gpasswd -a $USER docker
newgrp docker


# NOTE: you may remove the lines below, if you prefer to use rootful docker, not rootless
sudo systemctl disable --now docker
sudo apt-get install -y uidmap
dockerd-rootless-setuptool.sh install

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.terraform/
*.pem
*.tf
*.tfstate
*.yaml
*.backup
istio-*/
cert-manager-*/
*.swp
env