feat: 算法

algorithm/README.md

@@ -0,0 +1 @@
+前端到底如何搞算法？

algorithm/链表/reverseList.js

@@ -0,0 +1,27 @@
+// 递归版
+var reverseList = function(head) {
+    const dummy = new ListNode()
+    return reverse(head, dummy).next
+};
+
+function reverse (head, dummy) {
+    if (!head) return dummy
+    const tmp = head.next
+    head.next = dummy.next
+    dummy.next = head
+    head = tmp
+    return reverse(head, dummy)
+}
+
+// 迭代版
+
+var reverseList = function(head) {
+    const dummy = new ListNode()
+    while (head) {
+      const tmp = head.next
+      head.next = dummy.next
+      dummy.next = head
+      head = tmp
+    }
+    return dummy.next
+};

package.json

@@ -18,6 +18,7 @@
   },
   "homepage": "https://github.com/KieSun/fucking-frontend#readme",
   "dependencies": {
-    "axios": "^0.21.1"
+    "axios": "^0.21.1",
+    "gitment": "^0.0.3"
   }
 }

yarn.lock

@@ -13,3 +13,15 @@ follow-redirects@^1.10.0:
   version "1.13.3"
   resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.13.3.tgz#e5598ad50174c1bc4e872301e82ac2cd97f90267"
   integrity sha512-DUgl6+HDzB0iEptNQEXLx/KhTmDb8tZUHSeLqpnjpknR70H0nC2t9N73BK6fN4hOvJ84pKlIQVQ4k5FFlBedKA==
+
+gitment@^0.0.3:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/gitment/-/gitment-0.0.3.tgz#dbccbad7480b1345b656913bd70eff792a7b38b8"
+  integrity sha1-28y610gLE0W2VpE71w7/eSp7OLg=
+  dependencies:
+    mobx "^3.1.7"
+
+mobx@^3.1.7:
+  version "3.6.2"
+  resolved "https://registry.yarnpkg.com/mobx/-/mobx-3.6.2.tgz#fb9f5ff5090539a1ad54e75dc4c098b602693320"
+  integrity sha512-Dq3boJFLpZEvuh5a/MbHLUIyN9XobKWIb0dBfkNOJffNkE3vtuY0C9kSDVpfH8BB0BPkVw8g22qCv7d05LEhKg==