From 80bad5db790085ef1671e39ccb9847765411a2dc Mon Sep 17 00:00:00 2001 From: SquidSpirit Date: Tue, 19 Aug 2025 22:30:30 +0800 Subject: [PATCH] feat: 1512_number_of_good_pairs --- 1512_number_of_good_pairs/Cargo.lock | 7 +++++++ 1512_number_of_good_pairs/Cargo.toml | 6 ++++++ 1512_number_of_good_pairs/src/lib.rs | 17 +++++++++++++++++ 3 files changed, 30 insertions(+) create mode 100644 1512_number_of_good_pairs/Cargo.lock create mode 100644 1512_number_of_good_pairs/Cargo.toml create mode 100644 1512_number_of_good_pairs/src/lib.rs diff --git a/1512_number_of_good_pairs/Cargo.lock b/1512_number_of_good_pairs/Cargo.lock new file mode 100644 index 0000000..e5248a1 --- /dev/null +++ b/1512_number_of_good_pairs/Cargo.lock @@ -0,0 +1,7 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +version = 4 + +[[package]] +name = "number_of_good_pairs" +version = "0.1.0" diff --git a/1512_number_of_good_pairs/Cargo.toml b/1512_number_of_good_pairs/Cargo.toml new file mode 100644 index 0000000..f752f98 --- /dev/null +++ b/1512_number_of_good_pairs/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "number_of_good_pairs" +version = "0.1.0" +edition = "2024" + +[dependencies] diff --git a/1512_number_of_good_pairs/src/lib.rs b/1512_number_of_good_pairs/src/lib.rs new file mode 100644 index 0000000..3a075db --- /dev/null +++ b/1512_number_of_good_pairs/src/lib.rs @@ -0,0 +1,17 @@ +pub struct Solution; + +impl Solution { + pub fn num_identical_pairs(nums: Vec) -> i32 { + let mut result = 0; + + for i in 0..nums.len() { + for j in (i + 1)..nums.len() { + if nums[i] == nums[j] { + result += 1; + } + } + } + + result + } +} \ No newline at end of file