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Tina Müller 2016-12-05 23:44:36 +01:00
parent 9dc3c2bb62
commit bba7bfd280
13208 changed files with 134745 additions and 0 deletions
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Task/Greatest-subsequential-sum/Potion/greatest-subsequential-sum.potion Normal file
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gss = (lst) :
# Find discrete integral
integral = (0)
accum = 0
lst each (n): accum = accum + n, integral append(accum).
# Check integral[b + 1] - integral[a] for all 0 <= a <= b < N
max = -1
max_a = 0
max_b = 0
lst length times (b) :
b times (a) :
if (integral(b + 1) - integral(a) > max) :
max = integral(b + 1) - integral(a)
max_a = a
max_b = b
.
.
.
# Print the results
if (max >= 0) :
(lst slice(max_a, max_b) join(" + "), " = ", max, "\n") join print
.
else :
"No subsequence larger than 0\n" print
.
.
gss((-1, -2, 3, 5, 6, -2, -1, 4, -4, 2, -1))
gss((-1, -2, -3, -4, -5))
gss((7,-6, -8, 5, -2, -6, 7, 4, 8, -9, -3, 2, 6, -4, -6))