Initial data commit

Task/ABC-problem/JavaScript/abc-problem-4.js

@@ -0,0 +1,32 @@
+let characters = "BO XK DQ CP NA GT RE TG QD FS JW HU VI AN OB ER FS LY PC ZM";
+let blocks = characters.split(" ").map(pair => pair.split(""));
+
+function isWordPossible(word) {
+  var letters = [...word.toUpperCase()];
+  var length = letters.length;
+  var copy = new Set(blocks);
+
+  for (let letter of letters) {
+    for (let block of copy) {
+      let index = block.indexOf(letter);
+
+      if (index !== -1) {
+        length--;
+        copy.delete(block);
+        break;
+      }
+    }
+
+  }
+  return !length;
+}
+
+[
+  "A",
+  "BARK",
+  "BOOK",
+  "TREAT",
+  "COMMON",
+  "SQUAD",
+  "CONFUSE"
+].forEach(word => console.log(`${word}: ${isWordPossible(word)}`));