Update Lagrange.problems.json

Author: A1exL1ang

content/6_Advanced/Lagrange.problems.json

@@ -2,30 +2,30 @@
   "MODULE_ID": "lagrange",
   "sample": [
     {
-      "uniqueId": "usaco-697",
-      "name": "Tall Barn",
-      "url": "http://www.usaco.org/index.php?page=viewproblem2&cpid=697",
-      "source": "Platinum",
+      "uniqueId": "noisg-19-feast",
+      "name": "2019 - Feast",
+      "url": "https://oj.uz/problem/view/NOI19_feast",
+      "source": "NOI.sg",
       "difficulty": "Easy",
       "isStarred": false,
       "tags": [],
       "solutionMetadata": {
-        "kind": "USACO",
-        "usacoId": "697"
+        "kind": "internal"
       }
     }
   ],
   "probs": [
     {
-      "uniqueId": "noisg-19-feast",
-      "name": "2019 - Feast",
-      "url": "https://oj.uz/problem/view/NOI19_feast",
-      "source": "NOI.sg",
-      "difficulty": "Very Easy",
+      "uniqueId": "usaco-697",
+      "name": "Tall Barn",
+      "url": "http://www.usaco.org/index.php?page=viewproblem2&cpid=697",
+      "source": "Platinum",
+      "difficulty": "Easy",
       "isStarred": false,
       "tags": [],
       "solutionMetadata": {
-        "kind": "internal"
+        "kind": "USACO",
+        "usacoId": "697"
       }
     },
     {
@@ -41,6 +41,32 @@
         "site": "CF"
       }
     },
+    {
+      "uniqueId": "cf-1661F",
+      "name": "Teleporters",
+      "url": "https://codeforces.com/problemset/problem/1661/F",
+      "source": "CF",
+      "difficulty": "Normal",
+      "isStarred": true,
+      "tags": [],
+      "solutionMetadata": {
+        "kind": "autogen-label-from-site",
+        "site": "CF"
+      }
+    },
+    {
+      "uniqueId": "fhc-Vacation",
+      "name": "Vacation",
+      "url": "https://www.facebook.com/codingcompetitions/hacker-cup/2021/final-round/problems/D",
+      "source": "FHC",
+      "difficulty": "Normal",
+      "isStarred": false,
+      "tags": [],
+      "solutionMetadata": {
+        "kind": "autogen-label-from-site",
+        "site": "FHC"
+      }
+    },
     {
       "uniqueId": "kattis-blazingnewtrails",
       "name": "Blazing New Trails",