complete alternatingSums

Author: strongdan

alphabetSubSequence/alphabetSubSequence.ts

@@ -2,10 +2,10 @@ function alphabetSubsequence(s: string): boolean {
   s = s.split('');
   let arr = [];
   for (let i = 0; i < s.length; i++){
-    arr.push(arr[i].charAt());
+    arr.push(s[i].charCodeAt());
   }
   for (let j = 0; j < arr.length - 1; j++){
-    if (arr[j] < arr[j + 1]){
+    if (arr[j] <= arr[j + 1]){
       continue;
     } else {
       return false;

alternatingSums/alternatingSums.ts

@@ -1,5 +1,14 @@
 function alternatingSums(a: number[]): number[] {
-
+  let odds = 0
+  let evens = 0;
+  for (let i = 0; i < a.length; i++){
+    if (i % 2 !== 0){
+        odds += a[i];
+    } else {
+        evens += a[i];
+    }
+  }
+  return [evens, odds];
 }
 
 console.log(alternatingSums([50, 60, 60, 45, 70]))