Radioactive Elements

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EDIT : Please note that the user enters the whole string "Energy Level: 217" instead of just 217. You'd have to input accordingly. The output should only be the ids of radioactive elements, one id per line. Stick to the input/output format. Note: For Turbo C++, select "Text" as your language Problem description: After the nuclear war the world is now radioactive. Scientists say if we are not

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solution.cppC++17

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