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Question #7 Difficulty: 2

According to the Solidity 0.8.17 compiler (200 optimization runs) 

    // How many storage slots are used here in total?

contract C {

  uint8[] arr;

  constructor() {
    arr.push(1);
    arr.push(2);
    arr.push(3);
    arr.push(4);
  }
}

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