gcd p1

.gitignore

@@ -0,0 +1,94 @@
+# Created by https://www.toptal.com/developers/gitignore/api/rust,windows,linux,macos
+# Edit at https://www.toptal.com/developers/gitignore?templates=rust,windows,linux,macos
+
+### Linux ###
+*~
+
+# temporary files which can be created if a process still has a handle open of a deleted file
+.fuse_hidden*
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*
+
+# .nfs files are created when an open file is removed but is still being accessed
+.nfs*
+
+### macOS ###
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+### macOS Patch ###
+# iCloud generated files
+*.icloud
+
+### Rust ###
+# Generated by Cargo
+# will have compiled files and executables
+debug/
+target/
+
+# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
+# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
+Cargo.lock
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+# MSVC Windows builds of rustc generate these, which store debugging information
+*.pdb
+
+### Windows ###
+# Windows thumbnail cache files
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+# End of https://www.toptal.com/developers/gitignore/api/rust,windows,linux,macos
+n

gcd/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "gcd"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

gcd/src/main.rs

@@ -0,0 +1,25 @@
+fn gcd(mut a: u64, mut b: u64) -> u64 {
+    while a > 0 {
+        if a < b {
+            let temp = b;
+            b = a;
+            a = temp;
+        }
+
+        a = a % b
+    }
+    b
+}
+
+#[test]
+fn test_gcd() {
+    assert_eq!(gcd(3, 7), 1);
+    assert_eq!(gcd(16, 128), 16);
+}
+
+fn main() {
+    println!("gcd(4, 6) is {}", gcd(4, 6));
+    println!("gcd(7, 49) is {}", gcd(7, 49));
+    println!("gcd(3, 7) is {}", gcd(3, 7));
+    println!("gcd(128, 16) is {}", gcd(128, 16));
+}