From de23d61fc2f6409894c4f4a17ce026696926e039 Mon Sep 17 00:00:00 2001
From: NR <nr@Nurul.local>
Date: Fri, 17 Feb 2023 02:36:05 +0700
Subject: [PATCH] Practice 1

---
 Assignment/Assignment1/p1.go |  7 +++++--
 Assignment/Assignment1/p2.go | 29 +++++++++++++++++++++++++++--
 Assignment/Assignment1/p3.go | 15 +++++++++++++--
 3 files changed, 45 insertions(+), 6 deletions(-)

diff --git a/Assignment/Assignment1/p1.go b/Assignment/Assignment1/p1.go
index ae5421f..7cc4f81 100644
--- a/Assignment/Assignment1/p1.go
+++ b/Assignment/Assignment1/p1.go
@@ -24,6 +24,9 @@ Output: -1
 
 func DivideWhole(a int, b int) int {
 	// TODO: Your code here
-	return 0
+	if b != 0 {
+		return a / b
+	} else {
+		return -1
+	}
 }
-
diff --git a/Assignment/Assignment1/p2.go b/Assignment/Assignment1/p2.go
index b0c0ea6..e88a4a0 100644
--- a/Assignment/Assignment1/p2.go
+++ b/Assignment/Assignment1/p2.go
@@ -1,5 +1,10 @@
 package Assignment1
 
+import (
+	"strings"
+	"unicode"
+)
+
 /*
 Clean up sentences. [WEIGHT = 1]
 
@@ -32,6 +37,26 @@ Explanation: Replace the : and , and then remove all trailing/leading spaces
 
 func CleanUp(s string) string {
 	// TODO: Your code here
-	return ""
-}
+	var cleanedStr strings.Builder
+	prevCharWasSpace := false
+	for _, r := range s {
+		if unicode.IsLetter(r) || unicode.IsNumber(r) || r == ' ' {
+			if r == ' ' {
+				if !prevCharWasSpace {
+					cleanedStr.WriteRune(r)
+				}
+				prevCharWasSpace = true
+			} else {
+				cleanedStr.WriteRune(r)
+				prevCharWasSpace = false
+			}
+		} else {
+			if !prevCharWasSpace {
+				cleanedStr.WriteRune(' ')
+			}
+			prevCharWasSpace = true
+		}
+	}
 
+	return strings.TrimSpace(cleanedStr.String())
+}
diff --git a/Assignment/Assignment1/p3.go b/Assignment/Assignment1/p3.go
index 031362d..68c848f 100644
--- a/Assignment/Assignment1/p3.go
+++ b/Assignment/Assignment1/p3.go
@@ -21,6 +21,17 @@ Explanation: All numbers are odd, so return 0
 
 func EvenSum(nums []int) int {
 	// TODO: Your code here
-	return 0
-}
+	result := 0
+
+	for _, i := range nums {
+		if i%2 == 0 {
+			result += i
+		}
+	}
 
+	if result != 0 {
+		return result
+	} else {
+		return 0
+	}
+}