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Diffstat (limited to 'julia/006-sum_square_difference.jl')
| -rw-r--r-- | julia/006-sum_square_difference.jl | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/julia/006-sum_square_difference.jl b/julia/006-sum_square_difference.jl new file mode 100644 index 0000000..39e5df8 --- /dev/null +++ b/julia/006-sum_square_difference.jl @@ -0,0 +1,20 @@ +### +# Sum square difference +# Problem 6 +# +# The sum of the squares of the first ten natural numbers is, +# $$1^2 + 2^2 + ... + 10^2 = 385$$ +# The square of the sum of the first ten natural numbers is, +# $$(1 + 2 + ... + 10)^2 = 55^2 = 3025$$ +# Hence the difference between the sum of the squares of the first ten natural numbers and +# the square of the sum is $3025 - 385 = 2640$. +# Find the difference between the sum of the squares of the first one hundred natural +# numbers and the square of the sum. +### + +const count = 100 + +sum_of_squares = sum(x ^ 2 for x in 1:count) +square_of_sum = sum(1:count) ^ 2 + +println(square_of_sum - sum_of_squares) |