Update ReadMe.java

Author: chipbk10

src/contest/ReadMe.java

@@ -19,7 +19,7 @@ public class ReadMe {
     // linked-list:         1290[v]     1019[!]     876[v]      445[v]      725
     // union-find:          1202[v]     924[v]      947[!]      952[~]      839[v]
     // heap:                1054[!]     882[!]      864[x]      215[~]      407
-    // design:              1352[x]     1348[x]     705[v]      1206[x]     432
+    // design:              1352[x]     1348[x]     705[v]      1206[x]     432[x]
     // bit manipulation:    1356[v]     1342[v]     1318[v]     1310[v]     371[v]
     // other:               913[x]      1288[v]     843[x!]     1032[v]     850[x]