Create 2244-minimum-rounds-to-complete-all-tasks.js

Author: everthis

2244-minimum-rounds-to-complete-all-tasks.js

@@ -0,0 +1,23 @@
+/**
+ * @param {number[]} tasks
+ * @return {number}
+ */
+const minimumRounds = function(tasks) {
+  let res = 0
+  const hash = {}
+  for(let e of tasks) {
+    if(hash[e] == null) hash[e] = 0
+    hash[e]++
+  }
+  const keys = Object.keys(hash).map(e => +e)
+  for(const k of keys) {
+    if(hash[k] / 3 >= 1) res += ~~(hash[k] / 3)
+    if(hash[k] % 3 === 2) res++
+    if(hash[k] % 3 === 1) {
+      if(hash[k] >= 4) res++
+      else return -1
+    }
+  }
+  
+  return res
+};