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  1. Prepare
  2. Algorithms
  3. Recursion
  4. Repetitive K-Sums
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Repetitive K-Sums

  • m0144
     + 0 comments

    Would love an example where k > 2 and n > 1. How is 3-sum done?

    n = 4
k = 3
a[1]+a[1]+a[1]? Then what?
a[1]+a[1]+a[2]
a[1]+a[1]+a[3]
a[1]+a[1]+a[4]
a[1]+a[2]+a[2]
a[1]+a[2]+a[3]
a[1]+a[2]+a[4]
a[1]+a[3]+a[3]
a[1]+a[3]+a[4]
a[1]+a[4]+a[4]
a[2]+a[2]+a[2]
a[2]+a[2]+a[3]
a[2]+a[2]+a[4]
a[2]+a[3]+a[3]
a[2]+a[3]+a[4]
a[2]+a[4]+a[4]
a[3]+a[3]+a[3]
a[3]+a[3]+a[4]
a[3]+a[4]+a[4]
a[4]+a[4]+a[4]