Drzewo
1
1
1000 
1000
400
100
+69
1000
1000
400
100
+81
1
1000
1000
400
100
+131
1000
1000
400
100
+176
1000
1000
400
100
+40
1
1000
1000
400
100
+87
2
1000
1000
400
100
+179
