diff --git a/2197_replace_non_coprime_numbers_in_array/Cargo.lock b/2197_replace_non_coprime_numbers_in_array/Cargo.lock new file mode 100644 index 0000000..118462b --- /dev/null +++ b/2197_replace_non_coprime_numbers_in_array/Cargo.lock @@ -0,0 +1,7 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +version = 4 + +[[package]] +name = "replace_non_coprime_numbers_in_array" +version = "0.1.0" diff --git a/2197_replace_non_coprime_numbers_in_array/Cargo.toml b/2197_replace_non_coprime_numbers_in_array/Cargo.toml new file mode 100644 index 0000000..b5ef428 --- /dev/null +++ b/2197_replace_non_coprime_numbers_in_array/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "replace_non_coprime_numbers_in_array" +version = "0.1.0" +edition = "2024" + +[dependencies] diff --git a/2197_replace_non_coprime_numbers_in_array/src/lib.rs b/2197_replace_non_coprime_numbers_in_array/src/lib.rs new file mode 100644 index 0000000..8472e96 --- /dev/null +++ b/2197_replace_non_coprime_numbers_in_array/src/lib.rs @@ -0,0 +1,39 @@ +pub struct Solution; + +impl Solution { + pub fn replace_non_coprimes(nums: Vec) -> Vec { + let mut stack = Vec::::new(); + + for mut num in nums { + loop { + if stack.is_empty() { + stack.push(num); + break; + } + + let top = *stack.last().unwrap(); + let gcd = Solution::gcd(top, num); + if gcd == 1 { + stack.push(num); + break; + } + + let lcm = top / gcd * num; + num = lcm; + stack.pop(); + } + } + + stack + } + + fn gcd(a: i32, b: i32) -> i32 { + if a == 0 { + b + } else if a <= b { + Solution::gcd(b % a, a) + } else { + Solution::gcd(b, a) + } + } +}