Lesson07

lesson_06/quiz/src/lesson5.ts

@@ -38,7 +38,7 @@ export class Lesson5 {
         [AnswerChoice.C, "To insert an image"],
         [AnswerChoice.D, "To create a paragraph"],
       ]),
-      AnswerChoice.UNANSWERED,
+      AnswerChoice.B,
     );
   }
 
@@ -52,7 +52,7 @@ export class Lesson5 {
         [AnswerChoice.C, "alt"],
         [AnswerChoice.D, "href"],
       ]),
-      AnswerChoice.UNANSWERED,
+      AnswerChoice.C,
     );
   }
 
@@ -66,7 +66,7 @@ export class Lesson5 {
         [AnswerChoice.C, "<div>"],
         [AnswerChoice.D, "<link>"],
       ]),
-      AnswerChoice.UNANSWERED,
+      AnswerChoice.B,
     );
   }
 
@@ -80,7 +80,7 @@ export class Lesson5 {
         [AnswerChoice.C, "<span>"],
         [AnswerChoice.D, "<br>"],
       ]),
-      AnswerChoice.UNANSWERED,
+      AnswerChoice.B,
     );
   }
 
@@ -94,7 +94,7 @@ export class Lesson5 {
         [AnswerChoice.C, "Computer Style Sheets"],
         [AnswerChoice.D, "Cascading System Sheets"],
       ]),
-      AnswerChoice.UNANSWERED,
+      AnswerChoice.B,
     );
   }
 
@@ -108,7 +108,7 @@ export class Lesson5 {
         [AnswerChoice.C, "text-color"],
         [AnswerChoice.D, "background-color"],
       ]),
-      AnswerChoice.UNANSWERED,
+      AnswerChoice.B,
     );
   }
 
@@ -122,7 +122,7 @@ export class Lesson5 {
         [AnswerChoice.C, "/* this is a comment */"],
         [AnswerChoice.D, "<!-- this is a comment -->"],
       ]),
-      AnswerChoice.UNANSWERED,
+      AnswerChoice.C,
     );
   }
 
@@ -136,7 +136,7 @@ export class Lesson5 {
         [AnswerChoice.C, "text-size"],
         [AnswerChoice.D, "text-style"],
       ]),
-      AnswerChoice.UNANSWERED,
+      AnswerChoice.B,
     );
   }
 
@@ -150,7 +150,7 @@ export class Lesson5 {
         [AnswerChoice.C, "inline-block"],
         [AnswerChoice.D, "none"],
       ]),
-      AnswerChoice.UNANSWERED,
+      AnswerChoice.B,
     );
   }
 
@@ -164,11 +164,13 @@ export class Lesson5 {
         [AnswerChoice.C, "<stylesheet link='styles.css'>"],
         [AnswerChoice.D, "<css href='styles.css'>"],
       ]),
-      AnswerChoice.UNANSWERED,
+      AnswerChoice.A, 
     );
   }
 }
 
 if (!process.env.JEST_WORKER_ID) {
   new Lesson5().run();
 }
+
+

lesson_07/README.md

@@ -18,4 +18,5 @@ Please review the following resources before lecture:
 This exercise will provide you ample opportunities to practice your understanding of conditional expressions and loops. To complete this assignment, implement the functions in [lesson7.ts][lesson7-file] and in the code file for your assigned homework group, ensure the tests pass, and submit a PR. Remember to use the [Conventional Commits][conventional-commits] spec for your commit messages and pull requests.
 
 [lesson7-file]: ./conditionals/src/lesson7.ts
-[conventional-commits]: https://www.conventionalcommits.org/en/v1.0.0/
+[conventional-commits]: https://www.conventionalcommits.org/en/v1.0.0/
+

lesson_07/conditionals/src/lesson7.ts

@@ -12,9 +12,15 @@ export function compareStrings(a: string, b: string): number {
   // if it is greater, and 0 if the strings are equal.
   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;
+  }
 }
 
 /**
@@ -24,9 +30,17 @@ export function compareStrings(a: string, b: string): number {
  * @return The factorial of n.
  */
 export function computeFactorial(n: number): number {
-  return 0;
+  if (n ===0 || n===1) {
+    return 1 
+  }
+   else {
+    return n * computeFactorial(n-1);
+   }
 }
 
+
+
+
 /**
  * Returns an array of the first `n` Fibonacci numbers starting from 1.
  *
@@ -35,7 +49,24 @@ export function computeFactorial(n: number): number {
  */
 export function getFirstNFibonacciNumbers(n: number): number[] {
   return [];
-}
+  if (n===0) {
+    return[];
+
+  else if (n=== 1) {
+    return [1];
+  }
+  else if (n===2) {
+    return [1,1];
+  }
+  else{ 
+    const fib =getFirstNFibonacciNumbers(n -1);
+    fib.push(fib[fib.length - 1] + fib [fib.length - 2]);
+    return fib;
+    }
+  }
+
+  }
+
 
 /**
  * Finds a value in an array of values.
@@ -59,7 +90,19 @@ export function binarySearch(
 
   const pivotIndex = Math.floor((start + end) / 2); // The index in the middle of the array.
 
-  // TODO(you): Finish implementing this algorithm
+  if (values[pivotIndex] === value) {
+    return pivotIndex;
+  } else if (values[pivotIndex] > value) {
+    return binarySearch( values, start, pivotIndex -1, value);
+  else { binarySearch(values, start, pivotIndex - 1, value)}
+  return value;
+
+  else {
+
+    return 
+    binarySearch(values, pivotIndex + 1, end, value)
+  }
+  }
 
   // If values[pivotIndex] is equal to value then return `pivotIndex`.
   // Else if values[pivotIndex] is greater than the value, then

lesson_07/conditionals/src/part_a.ts

@@ -5,8 +5,15 @@
  * @return True if the age corresponds to a voting age and false otherwise.
  */
 export function canVote(age: number): boolean {
-  return false;
+  if (age >= 18) {
+    return true;
+  }
+
+  else {
+    return false;
+  }
 }
+console.log(canVote(18))
 
 /**
  * Adds all of the provided values and returns the sum.
@@ -15,15 +22,35 @@ export function canVote(age: number): boolean {
  * @return The sum of all the values.
  */
 export function addNumbers(values: number[]): number {
+
+
+  for (let i = 0; i < values.length ; i++) {
+
+
+    return values[i];
+  }
+
+
   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 {
+
+  if (n <0 ){
+
+return 0;
+  }  
+
+  let factorial = 1 
+
+
   return 0;
 }
+