35 lines
1.5 KiB
Ruby
35 lines
1.5 KiB
Ruby
elements = %w(
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hydrogen helium lithium beryllium
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boron carbon nitrogen oxygen
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fluorine neon sodium magnesium
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aluminum silicon phosphorous sulfur
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chlorine argon potassium calcium
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scandium titanium vanadium chromium
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manganese iron cobalt nickel
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copper zinc gallium germanium
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arsenic selenium bromine krypton
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rubidium strontium yttrium zirconium
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niobium molybdenum technetium ruthenium
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rhodium palladium silver cadmium
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indium tin antimony tellurium
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iodine xenon cesium barium
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lanthanum cerium praseodymium neodymium
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promethium samarium europium gadolinium
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terbium dysprosium holmium erbium
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thulium ytterbium lutetium hafnium
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tantalum tungsten rhenium osmium
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iridium platinum gold mercury
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thallium lead bismuth polonium
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astatine radon francium radium
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actinium thorium protactinium uranium
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neptunium plutonium americium curium
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berkelium californium einsteinium fermium
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mendelevium nobelium lawrencium rutherfordium
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dubnium seaborgium bohrium hassium
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meitnerium darmstadtium roentgenium copernicium
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nihonium flerovium moscovium livermorium
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tennessine oganesson)
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puts "Last mutation #{ File.mtime(__FILE__) }
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number of elements: #{elements.size}
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last element: #{elements.last}"
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