./Main.java:32: error: cannot find symbol
for (int i:po1){
^
symbol: variable po1
location: class Main
./Main.java:33: error: cannot find symbol
for (int j:po2){
^
symbol: variable po2
location: class Main
./Main.java:54: error: cannot find symbol
Map<String,Integer> blockHash=new HashMap<>();
^
symbol: class Map
location: class Main
./Main.java:54: error: cannot find symbol
Map<String,Integer> blockHash=new HashMap<>();
^
symbol: class HashMap
location: class Main
./Main.java:55: error: cannot find symbol
Map<String,List<Integer>> pointList=new HashMap<>();
^
symbol: class Map
location: class Main
./Main.java:55: error: cannot find symbol
Map<String,List<Integer>> pointList=new HashMap<>();
^
symbol: class HashMap
location: class Main
./Main.java:62: error: non-static method getHash(long,long,long,long) cannot be referenced from a static context
String hash=getHash(pos[i][0],pos[i][1],pos[i][2],r);
^
./Main.java:88: error: non-static method getHash(long,long,long,long) cannot be referenced from a static context
String sk=getHash(x+x1,y+y1,z+z1,r);
^
8 errors
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