Update Readme contest

Author: hieu

src/contest/ReadMe.java

@@ -4,24 +4,24 @@ public class ReadMe {
 
     // TOPICS               [v]         [v]         [v]         [v]         [x]
 
-    // tree:                1339[v]     1325[v]     1379[v]     1372[v]     1305
+    // tree:                1339[v]     1325[v]     1379[v]     1372[v]     1305[v]
     // graph:               997[v]      1361[v]     1043[v]     1387[~]     1203
-    // dfs:                 1319[v]     1254[v]     1377[v]     1145[x]     1391
+    // dfs:                 1319[v]     1254[v]     1377[v]     1145[x]     1391[!]
     // bfs:                 1345[v]     1368[!]     1311[v]     1293[x]     1298
-    // backtrack:           1307[!]     1239[v]     1219[v]     1291[~]     1286
-    // dp:                  1349[!]     1340[v]     1367[v]     1388[!]     1406
-    // divide & conquer:    932[!]      514         903[v]      327[x]      315
+    // backtrack:           1307[!]     1239[v]     1219[v]     1291[~]     1286[v]
+    // dp:                  1349[!]     1340[v]     1367[v]     1388[!]     1406[!]
+    // divide & conquer:    932[!]      514         903[v]      327[x]      315[!]
     // greedy:              1354[!]     1353[x]     1338[v]     1383[!]     1403
     // stack:               1190[!]     975[x]      1381[v]     901[v]      946
     // binary search:       1351[v]     1337[v]     1292[!]     1235[!]     1237
     // 2 pointers:          1248[*]     1234[v]     986[v]      826[x]      977
-    // sliding window:      1208[v]     1040[!]     995[!]      567[v]      978
+    // sliding window:      1208[v]     1040[!]     995[!]      567[v]      978[v]
     // linked-list:         1290[v]     1019[!]     876[v]      445[v]      725
-    // union-find:          1202[v]     924[v]      947[!]      952[~]      839
+    // 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
-    // bit manipulation:    1356[v]     1342[v]     1318[v]     1310[v]     371
-    // other:               913[x]      1288[v]     843[x!]     1032[v]     850
+    // bit manipulation:    1356[v]     1342[v]     1318[v]     1310[v]     371[v]
+    // other:               913[x]      1288[v]     843[x!]     1032[v]     850[x]
 
 
     // ~: vague