From bcfc1bd6d04dca723b5f3913394f4e00307013f4 Mon Sep 17 00:00:00 2001 From: Muhammad Nauman Raza Date: Wed, 20 Nov 2024 11:47:20 +0000 Subject: [PATCH] solutions: 8 --- largest_product_in_a_series.rs | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 largest_product_in_a_series.rs diff --git a/largest_product_in_a_series.rs b/largest_product_in_a_series.rs new file mode 100644 index 0000000..5853d64 --- /dev/null +++ b/largest_product_in_a_series.rs @@ -0,0 +1,19 @@ +const NUMBER: &str = "7316717653133062491922511967442657474235534919493496983520312774506326239578318016984801869478851843858615607891129494954595017379583319528532088055111254069874715852386305071569329096329522744304355766896648950445244523161731856403098711121722383113622298934233803081353362766142828064444866452387493035890729629049156044077239071381051585930796086670172427121883998797908792274921901699720888093776657273330010533678812202354218097512545405947522435258490771167055601360483958644670632441572215539753697817977846174064955149290862569321978468622482839722413756570560574902614079729686524145351004748216637048440319989000889524345065854122758866688116427171479924442928230863465674813919123162824586178664583591245665294765456828489128831426076900422421902267105562632111110937054421750694165896040807198403850962455444362981230987879927244284909188845801561660979191338754992005240636899125607176060588611646710940507754100225698315520005593572972571636269561882670428252483600823257530420752963450"; + +fn main() { + let number_list: Vec = NUMBER + .chars() + .filter_map(|c| c.to_digit(10).map(|d| d as u64)) + .collect(); + + let mut maximum: u64 = 0; + + for pos in 0..=number_list.len() - 13 { + let product: u64 = number_list[pos..pos + 13].iter().product(); + if product > maximum { + maximum = product; + } + } + + println!("{:?}", maximum); +}