Intro

Algo in CS3000

  • Solve a computational problem
  • Takes in an input(array, number, String and data structure), produce an output(solution, number, String, new array)
  • CLRS Style pseudocode

Arrays in CS3000

  • A = […, …, …] which is similar to Python list, Java/C++ array.
  • index from 1, not 0
  • Every value in A has a position
    A = [~,~,~,…,~]
    pos 1, 2, …, A.length(n)
  • Use for loop to iterate over A
    for i = 1 to A.length
    A[i] = -1
  • Modifying the array in a function(modifies the a)
    FUNC(A)
    for i =1 to A.length
    A[i] = -1
    Func2(A)
    Let B[1,…,A.length] be a new array
    for i=1 to A.length
    B[i] = -1 * A[i]
    return B

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