Belenko lived with his mother and half-sister in a private house, one of the rooms of which was occupied by the elderly Tetkina. Once, when he came home drunk in the absence of his mother, he threatened with a knife, raped his sister, and then tied her hands and feet to the bed, locked the room and set fire to the house. The beginning of the fire was extinguished by the neighbors, the life of the sister and the elderly Tetkina was saved.

After payment you will be available a link to the solution of this problem in the file of MS Word. It should be noted that the problem solutions put up for sale were successfully handed over in the period 2009-2019 and could be outdated. However, the general algorithm will always remain true.