✨ people whose list of favorite companies is not a subset of anouther list

Author: tangweikun

src/1452-people-whose-list-of-favorite-companies-is-not-a-subset-of-another-list/index.js

@@ -0,0 +1,40 @@
+/**
+ * @param {string[][]} favoriteCompanies
+ * @return {number[]}
+ */
+// HELP:
+var peopleIndexes = function (favoriteCompanies) {
+  let res = [];
+  let len = favoriteCompanies.length;
+
+  for (let i = 0; i < len; i++) {
+    let cur = favoriteCompanies[i];
+    let flag = true;
+
+    // 当前的能不能加入结果，只要它不是任何人的子集
+    for (let j = 0; j < len; j++) {
+      let hash = new Set(cur);
+      let next = favoriteCompanies[j];
+      if (i == j || cur.length > next.length) {
+        continue;
+      }
+
+      for (let k = 0; k < next.length; k++) {
+        if (hash.has(next[k])) {
+          hash.delete(next[k]);
+        }
+      }
+
+      // 删完了，你是我的子集，不能加
+      if (hash.size === 0) {
+        flag = false;
+        break;
+      }
+    }
+
+    if (flag) {
+      res.push(i);
+    }
+  }
+  return res;
+};