Design and Analysis of Algorithms MCQs with answers Page - 6

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Q. What will be the cross product of the vectors 2i + 3j + k and 3i + 2j + k?

  • (A) i + 2j + k
  • (B) 2i + 3j + k
  • (C) i + j – 5k
  • (D) 2i – j – 5k

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Q. What will be the cross product of the vectors 2i + 3j + k and 6i + 9j + 3k?

  • (A) i + 2j + k
  • (B) i – j – 5k
  • (C) 0
  • (D) 2i – j – 5k

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Q. Which of the following operation will give a vector that is perpendicular to both vectors a and b?

  • (A) a x b
  • (B) a.b
  • (C) b x a
  • (D) both a x b and b x a

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Q. is a method of constructing a smallest polygon out of n given points.

  • (A) closest pair problem
  • (B) quick hull problem
  • (C) path compression
  • (D) union-by-rank

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Q. What is the other name for quick hull problem?

  • (A) convex hull
  • (B) concave hull
  • (C) closest pair
  • (D) path compression

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Q. How many approaches can be applied to solve quick hull problem?

  • (A) 1
  • (B) 2
  • (C) 3
  • (D) 4

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Q. What is the average case complexity of a quick hull algorithm?

  • (A) o(n)
  • (B) o(n log n)
  • (C) o(n2)
  • (D) o(log n)

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Q. What is the worst case complexity of quick hull?

  • (A) o(n)
  • (B) o(n log n)
  • (C) o(n2)
  • (D) o(log n)

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Q. What does the following diagram depict?

  • (A) closest pair
  • (B) convex hull
  • (C) concave hull
  • (D) path compression

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Q. Which of the following statement is not related to quickhull algorithm?

  • (A) finding points with minimum and maximum coordinates
  • (B) dividing the subset of points by a line
  • (C) eliminating points within a formed triangle
  • (D) finding the shortest distance between two points

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