hackrio1

Details of Union

Height of person1_union: 1700

Weight of person2_union: 74.230000

Size of person1_union object: 8

Size of person2_union object: 8

hackrio1

#include <stdio.h>

union PersonUnion {
  int height;
  double weight;
};

struct PersonStruct {
  int height;
  double weight;

hackrio1

genesis_block_hash: 3495953456182427352
block1_hash: -554281952046316805
genesis_block_hash: 3220110016770526666
block1_parent_hash: 3495953456182427352

hackrio1

genesis_block[1] = "Y paid $100 to X"
genesis_block_hash = get_hash_itself(genesis_block)

print "genesis_block_hash:", genesis_block_hash
print "block1_parent_hash:", get_parent_hash(block1)

hackrio1

# A block is stored as a tuple of
# (parent_hash, transactions, hash_itself)

def get_parent_hash(block):
    return block[0]


def get_transactions(block):
    return block[1]

hackrio1

Merge sort - Code
#include <stdio.h>
 
// function to sort the subsection a[i .. j] of the array a[]
void merge_sort(int i, int j, int a[], int aux[]) {
    if (j <= i) {
        return;     // the subsection is empty or a single element
    }
    int mid = (i + j) / 2;

hackrio1

class ArticlesController < ApplicationController
  before_action :set_user
  before_action :set_article, only: [:show, :edit, :update, :destroy]
  
  # GET /articles/1
  # GET /articles.json
 def index
   @articles = @users.articles.all
 end
  

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def set_user
  @user = current_user
end

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class ApplicationController < ActionController::Base
  before_action :authenticate_user
  
end

hackrio1

class Article < ApplicationRecord
  belongs_to :user
  validates :title, :text, presence: true
end