p22

inputs/passing/projEuler/p22.ts

@@ -0,0 +1,57 @@
+export default function main() {
+  return nameListScore([
+    /* insert names here */
+  ]);
+}
+
+function nameListScore(names: string[]) {
+  names.sort();
+
+  return names
+    .map((name, i) => (i + 1) * nameScore(name))
+    .reduce((a, b) => a + b);
+}
+
+function nameScore(name: string) {
+  // Obviously we should be using something like charCodeAt instead of this
+  // workaround. Unfortunately that's not implemented yet (TODO). There's also
+  // the issue that letterMap is currently rebuilt from scratch on every call
+  // to nameScore, which also needs to be fixed (TODO).
+
+  const letterMap = {
+    A: 1,
+    B: 2,
+    C: 3,
+    D: 4,
+    E: 5,
+    F: 6,
+    G: 7,
+    H: 8,
+    I: 9,
+    J: 10,
+    K: 11,
+    L: 12,
+    M: 13,
+    N: 14,
+    O: 15,
+    P: 16,
+    Q: 17,
+    R: 18,
+    S: 19,
+    T: 20,
+    U: 21,
+    V: 22,
+    W: 23,
+    X: 24,
+    Y: 25,
+    Z: 26,
+  };
+
+  let sum = 0;
+
+  for (let i = 0; i < name.length; i++) {
+    sum += letterMap[name[i] as keyof typeof letterMap];
+  }
+
+  return sum;
+}