1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
(1) maps to 3 (0, 2) maps to 10 (1, 2) maps to 10 (1, 3) maps to 10 (2, -10) maps to 10 (2, 2) maps to 10 KeyStruct(0) KeyStruct(KeyStruct &) ins res = 1 ~KeyStruct = {0} KeyStruct(1) KeyStruct(KeyStruct &) ins res = 1 ~KeyStruct = {1} ~KeyStruct = {0} ~KeyStruct = {1} 6 6 0 TEST 5 1 2 3 1 1 2 2 2 3 3