From ae3e9e50f44de0200eff60e3cd3ae1d90413c12c Mon Sep 17 00:00:00 2001
From: Manish Choudhary <choudharymanish@protonmail.com>
Date: Sun, 19 Jan 2025 13:44:21 +0000
Subject: [PATCH 1/3] First two exercises are done

---
 01-basic-challenges-1/01-hello-world/hello-world.js           | 4 +++-
 .../{hello-world-test.js => hello-world.test.js}              | 0
 01-basic-challenges-1/02-get-sum/get-sum.js                   | 4 +++-
 .../02-get-sum/{get-sum-test.js => get-sum.test.js}           | 0
 4 files changed, 6 insertions(+), 2 deletions(-)
 rename 01-basic-challenges-1/01-hello-world/{hello-world-test.js => hello-world.test.js} (100%)
 rename 01-basic-challenges-1/02-get-sum/{get-sum-test.js => get-sum.test.js} (100%)

diff --git a/01-basic-challenges-1/01-hello-world/hello-world.js b/01-basic-challenges-1/01-hello-world/hello-world.js
index 746f414..a232514 100644
--- a/01-basic-challenges-1/01-hello-world/hello-world.js
+++ b/01-basic-challenges-1/01-hello-world/hello-world.js
@@ -1,3 +1,5 @@
-function helloWorld() {}
+function helloWorld() {
+    return "Hello World!"
+}
 
 module.exports = helloWorld;
diff --git a/01-basic-challenges-1/01-hello-world/hello-world-test.js b/01-basic-challenges-1/01-hello-world/hello-world.test.js
similarity index 100%
rename from 01-basic-challenges-1/01-hello-world/hello-world-test.js
rename to 01-basic-challenges-1/01-hello-world/hello-world.test.js
diff --git a/01-basic-challenges-1/02-get-sum/get-sum.js b/01-basic-challenges-1/02-get-sum/get-sum.js
index 73453d5..52fdbfa 100644
--- a/01-basic-challenges-1/02-get-sum/get-sum.js
+++ b/01-basic-challenges-1/02-get-sum/get-sum.js
@@ -1,3 +1,5 @@
-function getSum() {}
+function getSum(a, b) {
+    return a+b
+}
 
 module.exports = getSum;
diff --git a/01-basic-challenges-1/02-get-sum/get-sum-test.js b/01-basic-challenges-1/02-get-sum/get-sum.test.js
similarity index 100%
rename from 01-basic-challenges-1/02-get-sum/get-sum-test.js
rename to 01-basic-challenges-1/02-get-sum/get-sum.test.js

From 04b90153ef8f09bd2585abf0583f7d58589f30fe Mon Sep 17 00:00:00 2001
From: Manish Choudhary <choudharymanish@protonmail.com>
Date: Sun, 19 Jan 2025 14:36:51 +0000
Subject: [PATCH 2/3] Some more exercises are complete now

---
 .../03-calculator/calculator.js               | 16 ++++++++++++-
 ...{calculator-test.js => calculator.test.js} |  0
 .../04-count-occurrences/count-occurrences.js | 10 +++++++-
 ...nces-test.js => count-occurrences.test.js} |  0
 .../05-find-max-number/find-max-number.js     | 12 +++++++++-
 ...number-test.js => find-max-number.test.js} |  0
 .../06-title-case/title-case.js               | 23 ++++++++++++++++++-
 ...{title-case-test.js => title-case.test.js} |  0
 8 files changed, 57 insertions(+), 4 deletions(-)
 rename 01-basic-challenges-1/03-calculator/{calculator-test.js => calculator.test.js} (100%)
 rename 01-basic-challenges-1/04-count-occurrences/{count-occurrences-test.js => count-occurrences.test.js} (100%)
 rename 01-basic-challenges-1/05-find-max-number/{find-max-number-test.js => find-max-number.test.js} (100%)
 rename 01-basic-challenges-1/06-title-case/{title-case-test.js => title-case.test.js} (100%)

diff --git a/01-basic-challenges-1/03-calculator/calculator.js b/01-basic-challenges-1/03-calculator/calculator.js
index 5f8f9c6..ecedd50 100644
--- a/01-basic-challenges-1/03-calculator/calculator.js
+++ b/01-basic-challenges-1/03-calculator/calculator.js
@@ -1,3 +1,17 @@
-function calculator() {}
+function calculator(num1, num2, operator) {
+    switch(operator) {
+        case "+":
+            return num1+num2;
+        case "-":
+            return num1 - num2;
+        case "*":
+            return num1 * num2;
+        case "/":
+            return num1 / num2;
+        default:
+            throw new Error(`Unknown operator ${operator}`)
+    }
+
+}
 
 module.exports = calculator;
diff --git a/01-basic-challenges-1/03-calculator/calculator-test.js b/01-basic-challenges-1/03-calculator/calculator.test.js
similarity index 100%
rename from 01-basic-challenges-1/03-calculator/calculator-test.js
rename to 01-basic-challenges-1/03-calculator/calculator.test.js
diff --git a/01-basic-challenges-1/04-count-occurrences/count-occurrences.js b/01-basic-challenges-1/04-count-occurrences/count-occurrences.js
index c5f47ae..f9a0ca2 100644
--- a/01-basic-challenges-1/04-count-occurrences/count-occurrences.js
+++ b/01-basic-challenges-1/04-count-occurrences/count-occurrences.js
@@ -1,3 +1,11 @@
-function countOccurrences() {}
+function countOccurrences(text, search) {
+    let result = 0
+    for(let i=0; i<text.length; i++) {
+        if(text[i] == search) {
+            result++
+        }
+    }
+    return result
+}
 
 module.exports = countOccurrences;
diff --git a/01-basic-challenges-1/04-count-occurrences/count-occurrences-test.js b/01-basic-challenges-1/04-count-occurrences/count-occurrences.test.js
similarity index 100%
rename from 01-basic-challenges-1/04-count-occurrences/count-occurrences-test.js
rename to 01-basic-challenges-1/04-count-occurrences/count-occurrences.test.js
diff --git a/01-basic-challenges-1/05-find-max-number/find-max-number.js b/01-basic-challenges-1/05-find-max-number/find-max-number.js
index a68aa2d..ae5c0f7 100644
--- a/01-basic-challenges-1/05-find-max-number/find-max-number.js
+++ b/01-basic-challenges-1/05-find-max-number/find-max-number.js
@@ -1,3 +1,13 @@
-function findMaxNumber() {}
+function findMaxNumber(arr) {
+    let max = null;
+
+    for(let num of arr) {
+        if(max == null || max < num) {
+            max = num
+        }
+    }
+
+    return max;
+}
 
 module.exports = findMaxNumber;
diff --git a/01-basic-challenges-1/05-find-max-number/find-max-number-test.js b/01-basic-challenges-1/05-find-max-number/find-max-number.test.js
similarity index 100%
rename from 01-basic-challenges-1/05-find-max-number/find-max-number-test.js
rename to 01-basic-challenges-1/05-find-max-number/find-max-number.test.js
diff --git a/01-basic-challenges-1/06-title-case/title-case.js b/01-basic-challenges-1/06-title-case/title-case.js
index 4229fa9..3b94e62 100644
--- a/01-basic-challenges-1/06-title-case/title-case.js
+++ b/01-basic-challenges-1/06-title-case/title-case.js
@@ -1,3 +1,24 @@
-function titleCase() {}
+function titleCase(input) {
+    let result = ""
+    let letters = input.split('')
+    let makeUpper = true;
+
+    for(let letter of letters) {
+       if(makeUpper) {
+        result += letter.toUpperCase()
+        makeUpper = false
+       }
+       else if(letter == " ") {
+        result += letter
+        makeUpper = true
+       } 
+       else {
+        result += letter.toLowerCase()
+       }
+       //console.log(`The letter is "${letter}" and makeUpper value is "${Boolean(makeUpper)}"`)
+    }
+
+    return result
+}
 
 module.exports = titleCase;
diff --git a/01-basic-challenges-1/06-title-case/title-case-test.js b/01-basic-challenges-1/06-title-case/title-case.test.js
similarity index 100%
rename from 01-basic-challenges-1/06-title-case/title-case-test.js
rename to 01-basic-challenges-1/06-title-case/title-case.test.js

From 6a3efc40a916051b80e5309e20e4e94c7304ac93 Mon Sep 17 00:00:00 2001
From: Manish Choudhary <choudharymanish@protonmail.com>
Date: Sun, 19 Jan 2025 15:02:24 +0000
Subject: [PATCH 3/3] Solved more problems

---
 .../07-reverse-string/reverse-string.js       | 10 +++++++++-
 ...-string-test.js => reverse-string.test.js} |  0
 .../08-palindrome/palindrome.js               | 20 ++++++++++++++++++-
 ...{palindrome-test.js => palindrome.test.js} |  0
 4 files changed, 28 insertions(+), 2 deletions(-)
 rename 01-basic-challenges-1/07-reverse-string/{reverse-string-test.js => reverse-string.test.js} (100%)
 rename 01-basic-challenges-1/08-palindrome/{palindrome-test.js => palindrome.test.js} (100%)

diff --git a/01-basic-challenges-1/07-reverse-string/reverse-string.js b/01-basic-challenges-1/07-reverse-string/reverse-string.js
index ab5349e..21f6f73 100644
--- a/01-basic-challenges-1/07-reverse-string/reverse-string.js
+++ b/01-basic-challenges-1/07-reverse-string/reverse-string.js
@@ -1,3 +1,11 @@
-function reverseString() {}
+function reverseString(str) {
+    let len = str.length - 1
+    let result = ''
+    for(let i=len; i >=0; i-- ) {
+        result += str[i]
+    }
+
+    return result
+}
 
 module.exports = reverseString;
diff --git a/01-basic-challenges-1/07-reverse-string/reverse-string-test.js b/01-basic-challenges-1/07-reverse-string/reverse-string.test.js
similarity index 100%
rename from 01-basic-challenges-1/07-reverse-string/reverse-string-test.js
rename to 01-basic-challenges-1/07-reverse-string/reverse-string.test.js
diff --git a/01-basic-challenges-1/08-palindrome/palindrome.js b/01-basic-challenges-1/08-palindrome/palindrome.js
index e3ffb15..9a4c043 100644
--- a/01-basic-challenges-1/08-palindrome/palindrome.js
+++ b/01-basic-challenges-1/08-palindrome/palindrome.js
@@ -1,3 +1,21 @@
-function isPalindrome() {}
+function isPalindrome(str) {
+   
+    str = str.toLowerCase()
+    str = str.replace(/[^a-z0-9]/g,"")
+    let [left,right ]= [0, str.length -1]
+   
+    let result = true
+    while(left<=right) {
+        if(str[left]!=str[right]) {
+            result = false
+            break
+        } else {
+            left++
+            right--
+        }
+    }
+
+    return result
+}
 
 module.exports = isPalindrome;
diff --git a/01-basic-challenges-1/08-palindrome/palindrome-test.js b/01-basic-challenges-1/08-palindrome/palindrome.test.js
similarity index 100%
rename from 01-basic-challenges-1/08-palindrome/palindrome-test.js
rename to 01-basic-challenges-1/08-palindrome/palindrome.test.js