From 9a3abd621a4692e87a18878f8b8e02b61ed39262 Mon Sep 17 00:00:00 2001
From: Vidish Kumar <vidishkumar890@gmail.com>
Date: Mon, 9 Mar 2026 10:45:37 +0530
Subject: [PATCH 1/3] Add Prime Number implementation in Swift

---
 archive/s/swift/prime-number.swift | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 archive/s/swift/prime-number.swift

diff --git a/archive/s/swift/prime-number.swift b/archive/s/swift/prime-number.swift
new file mode 100644
index 000000000..3ac012639
--- /dev/null
+++ b/archive/s/swift/prime-number.swift
@@ -0,0 +1,27 @@
+import Foundation
+
+func isPrime(_ n: Int) -> Bool {
+    if n <= 1 {
+        return false
+    }
+
+    for i in 2...Int(Double(n).squareRoot()) {
+        if n % i == 0 {
+            return false
+        }
+    }
+
+    return true
+}
+
+if CommandLine.arguments.count != 2 {
+    print("Usage: please input a number")
+} else if let number = Int(CommandLine.arguments[1]) {
+    if isPrime(number) {
+        print("Prime")
+    } else {
+        print("Composite")
+    }
+} else {
+    print("Invalid input")
+}
\ No newline at end of file

From 02bef35e4196db309bb2fd4e087db557452c5289 Mon Sep 17 00:00:00 2001
From: Vidish Kumar <vidishkumar890@gmail.com>
Date: Mon, 9 Mar 2026 22:42:05 +0530
Subject: [PATCH 2/3] Fix output format to match project requirements

---
 archive/s/swift/prime-number.swift | 38 ++++++++++++++----------------
 1 file changed, 18 insertions(+), 20 deletions(-)

diff --git a/archive/s/swift/prime-number.swift b/archive/s/swift/prime-number.swift
index 3ac012639..48aad7bcc 100644
--- a/archive/s/swift/prime-number.swift
+++ b/archive/s/swift/prime-number.swift
@@ -1,27 +1,25 @@
 import Foundation
 
-func isPrime(_ n: Int) -> Bool {
-    if n <= 1 {
-        return false
-    }
+if CommandLine.arguments.count != 2 {
+    print("Usage: please input a non-negative integer")
+    exit(0)
+}
 
-    for i in 2...Int(Double(n).squareRoot()) {
-        if n % i == 0 {
-            return false
-        }
-    }
+guard let number = Int(CommandLine.arguments[1]), number >= 0 else {
+    print("Usage: please input a non-negative integer")
+    exit(0)
+}
 
-    return true
+if number < 2 {
+    print("composite")
+    exit(0)
 }
 
-if CommandLine.arguments.count != 2 {
-    print("Usage: please input a number")
-} else if let number = Int(CommandLine.arguments[1]) {
-    if isPrime(number) {
-        print("Prime")
-    } else {
-        print("Composite")
+for i in 2...Int(Double(number).squareRoot()) {
+    if number % i == 0 {
+        print("composite")
+        exit(0)
     }
-} else {
-    print("Invalid input")
-}
\ No newline at end of file
+}
+
+print("prime")
\ No newline at end of file

From 68620f0b6dbd44116b8de8d8c733bfc2af94437f Mon Sep 17 00:00:00 2001
From: Vidish Kumar <vidishkumar890@gmail.com>
Date: Mon, 9 Mar 2026 22:44:17 +0530
Subject: [PATCH 3/3] Fix prime number implementation to satisfy test
 requirements

---
 archive/s/swift/prime-number.swift | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/archive/s/swift/prime-number.swift b/archive/s/swift/prime-number.swift
index 48aad7bcc..999d98137 100644
--- a/archive/s/swift/prime-number.swift
+++ b/archive/s/swift/prime-number.swift
@@ -1,12 +1,14 @@
 import Foundation
 
+let usage = "Usage: please input a non-negative integer"
+
 if CommandLine.arguments.count != 2 {
-    print("Usage: please input a non-negative integer")
+    print(usage)
     exit(0)
 }
 
 guard let number = Int(CommandLine.arguments[1]), number >= 0 else {
-    print("Usage: please input a non-negative integer")
+    print(usage)
     exit(0)
 }
 
@@ -15,11 +17,16 @@ if number < 2 {
     exit(0)
 }
 
-for i in 2...Int(Double(number).squareRoot()) {
-    if number % i == 0 {
-        print("composite")
-        exit(0)
+var isPrime = true
+let limit = Int(Double(number).squareRoot())
+
+if limit >= 2 {
+    for i in 2...limit {
+        if number % i == 0 {
+            isPrime = false
+            break
+        }
     }
 }
 
-print("prime")
\ No newline at end of file
+print(isPrime ? "prime" : "composite")
\ No newline at end of file