feat: adds Meiko's lesson 07

Author: Meiko-S22

lesson_07/conditionals/.env.test

@@ -1 +1 @@
-HW_VERSION=your homework version here
+HW_VERSION=C

lesson_07/conditionals/package-lock.json

@@ -26,7 +26,7 @@
     "eslint-config-prettier": "^9.1.0",
     "jest": "^29.7.0",
     "prettier": "3.4.2",
-    "ts-jest": "^29.2.5",
+    "ts-jest": "^29.2.6",
     "ts-node": "^10.9.2",
     "typescript": "^5.7.2",
     "typescript-eslint": "^8.18.0"

lesson_07/conditionals/package.json

@@ -1,3 +1,4 @@
+import { log } from "console";
 import { computeLexicographicDistance } from "./util.js";
 
 /**
@@ -13,28 +14,48 @@ export function compareStrings(a: string, b: string): number {
   const distance = computeLexicographicDistance(a, b);
 
   // TODO(you): Finish this method.
-
-  return 0;
+    if (distance < 0) {
+      return -1;
+    } else if (distance > 0) {
+      return 1;
+    } 
+    else {
+    return 0;
+    }
 }
 
+
 /**
  * Computes the factorial of the given value of `n`.
  *
  * @param n The value for which to compute the factorial.
  * @return The factorial of n.
  */
 export function computeFactorial(n: number): number {
-  return 0;
+ if (n < 0) {
+      return 0;
+    }
+    if (n === 0) {
+        return 1; 
+    }
+    return n * computeFactorial(n - 1);
 }
 
+
 /**
  * Returns an array of the first `n` Fibonacci numbers starting from 1.
  *
  * @param n The first `n` of Fibonacci values to compute.
  * @return An array containing the first `n` Fibonacci values.
  */
 export function getFirstNFibonacciNumbers(n: number): number[] {
-  return [];
+ if(n <= 0) return [];
+ if(n === 1) return[1];
+ const fib: number[] = [1,1];
+for(let i = 2; i < n; i++){
+  fib.push(fib[i - 1] + fib[i - 2]);
+}
+return fib; 
 }
 
 /**
@@ -58,12 +79,22 @@ export function binarySearch(
   }
 
   const pivotIndex = Math.floor((start + end) / 2); // The index in the middle of the array.
-
+  const pivotValue = values[pivotIndex];
+  if (pivotValue === value) {
+    return pivotIndex;
+  }
+  if (pivotValue > value) {
+    return binarySearch(values, start, pivotIndex - 1, value);
+  }
+  if (pivotValue < value){
+    return binarySearch(values, pivotIndex + 1, end, value);
+}
+return -1;
+}
   // TODO(you): Finish implementing this algorithm
 
   // If values[pivotIndex] is equal to value then return `pivotIndex`.
   // Else if values[pivotIndex] is greater than the value, then
   // call `binarySearch(values, start, pivotIndex - 1, value)` and return its value;
   // Else call `binarySearch(values, pivotIndex + 1, end, value)` and return its value.
-  return -1;
-}
+  

lesson_07/conditionals/src/lesson7.ts

@@ -6,8 +6,15 @@
  * @returns
  */
 export function isStrongPassword(password: string): boolean {
-  return false;
+  
+  if (password.length < 8){
+     return false;
 }
+   const passUpperCase = /[A-Z]/.test(password);
+    const passNumber=/\d/.test(password);
+        return passUpperCase && passNumber;
+  }
+
 
 /**
  * Determines the day of the week on the given 0-based number.
@@ -16,8 +23,24 @@ export function isStrongPassword(password: string): boolean {
  * @returns
  */
 export function getDayOfWeek(day: number): string {
+  if(day==0){
+    return "Sunday";
+  } else if(day==1){
+    return "Monday";
+  } else if(day==2){
+    return "Tuesday";
+  } else if(day==3){
+    return "Wednesday"
+  } else if(day==4){
+    return "Thursday";
+  }else if(day==5){
+    return "Friday";
+  } else if(day==6){
+    return "Saturday";
+  }else{
   return "";
 }
+}
 
 /**
  * Determines the ticket price based on the given age. The price is
@@ -31,5 +54,15 @@ export function getDayOfWeek(day: number): string {
  * @returns
  */
 export function getTicketPrice(age: number): number {
-  return 0;
+  if(age <= 5){
+    return 0;
+  }else if(age >= 5 && age <= 17){
+    return 10;
+  }else if(age >= 18 && age <= 59){
+    return 20;
+  }else{
+  return 15;
+  }
 }
+
+