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Exercise 6

What is the time complexity of the function test? What is its space complexity?

function test(n) {
  for (let i = 0; i < n; i++) {
    for (let j = 0; j < n; j++) {
      for (let k = 0; k < n; k++) {
        console.log("Hello!");
      }
    }
  }
}

Solution

The time complexity is O(N^3) due to the three nested loops each running n times.

The space complexity is O(1) as no extra space is used that grows with n.

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