Electricity Cutoff

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Background During the Electricity cutoff in United States this winter (caused by low leves of the hydro dams), a scheme was developed to turn off the Electricity to areas of the country in a particular sequence, totally fair, manner. The country was divided into N regions (LA was region number 1, and NYC number 13). A number ,k, would be picked `at random', and the Electricity would first be turn

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