add exercises

data/tree.json

@@ -292,6 +292,16 @@
                       ],
                       "children": []
                     }
+                  },
+                  {
+                    "合并检测": {
+                      "node_id": "algorithm-6437a69f581f4821a5cbd4267304a905",
+                      "keywords": [
+                        "蓝桥杯",
+                        "合并检测"
+                      ],
+                      "children": []
+                    }
                   }
                 ]
               }
@@ -350,6 +360,26 @@
                       ],
                       "children": []
                     }
+                  },
+                  {
+                    "不同子串": {
+                      "node_id": "algorithm-02d2366299904fe89ebb682ba5b794f5",
+                      "keywords": [
+                        "蓝桥杯",
+                        "不同子串"
+                      ],
+                      "children": []
+                    }
+                  },
+                  {
+                    "回文日期": {
+                      "node_id": "algorithm-be60c4c18cd3484eb2e20cbafee77a41",
+                      "keywords": [
+                        "蓝桥杯",
+                        "回文日期"
+                      ],
+                      "children": []
+                    }
                   }
                 ]
               }
@@ -428,6 +458,16 @@
                       ],
                       "children": []
                     }
+                  },
+                  {
+                    "扑克序列": {
+                      "node_id": "algorithm-a055909850ea405f97caa4c8db76d24c",
+                      "keywords": [
+                        "蓝桥杯",
+                        "扑克序列"
+                      ],
+                      "children": []
+                    }
                   }
                 ]
               }
@@ -682,6 +722,16 @@
                       ],
                       "children": []
                     }
+                  },
+                  {
+                    "波动数列": {
+                      "node_id": "algorithm-f2521444c4bb4c8a9f83545493734748",
+                      "keywords": [
+                        "蓝桥杯",
+                        "波动数列"
+                      ],
+                      "children": []
+                    }
                   }
                 ]
               }