add README.md

Author: ZLBer

README.md

@@ -6,6 +6,29 @@ Record leetcode contest and ideas every week, and encourage yourself to think mo
 
 
 * 🏄🏻 [weekly contest 300](src/main/java/weekly/wk300.java) 
+* 🏄🏻 [weekly contest 299](src/main/java/weekly/wk299.java)
+* 🏄🏻 [weekly contest 298](src/main/java/weekly/wk298.java) 
+* 🏄🏻 [weekly contest 297](src/main/java/weekly/wk297.java) 
+* 🏄🏻 [weekly contest 296](src/main/java/weekly/wk296.java) 
+* 🏄🏻 [weekly contest 295](src/main/java/weekly/wk295.java) 
+* 🏄🏻 [weekly contest 294](src/main/java/weekly/wk294.java) 
+* 🏄🏻 [weekly contest 293](src/main/java/weekly/wk293.java) 
+* 🏄🏻 [weekly contest 292](src/main/java/weekly/wk292.java)
+* 🏄🏻 [weekly contest 291](src/main/java/weekly/wk291.java) 
+* 🏄🏻 [weekly contest 290](src/main/java/weekly/wk290.java) 
+* 🏄🏻 [weekly contest 280](src/main/java/weekly/wk289.java) 
+
+
+* 🏄🏻 [biweekly contest 81](src/main/java/weekly/wkb81.java) 
+* 🏄🏻 [biweekly contest 80](src/main/java/weekly/wkb80.java)
+* 🏄🏻 [biweekly contest 79](src/main/java/weekly/wkb79.java)
+* 🏄🏻 [biweekly contest 78](src/main/java/weekly/wkb78.java)
+* 🏄🏻 [biweekly contest 77](src/main/java/weekly/wkb77.java)
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