View Compilation Error

0_0_32726257_16279.cpp:13:9: error: 'num' is not a type
  memset(num, 0, sizeof(num));
         ^
0_0_32726257_16279.cpp:13:14: error: expected identifier before numeric constant
  memset(num, 0, sizeof(num));
              ^
0_0_32726257_16279.cpp:13:14: error: expected ',' or '...' before numeric constant
0_0_32726257_16279.cpp:14:9: error: 'tr' is not a type
  memset(tr, 0, sizeof(tr));
         ^
0_0_32726257_16279.cpp:14:13: error: expected identifier before numeric constant
  memset(tr, 0, sizeof(tr));
             ^
0_0_32726257_16279.cpp:14:13: error: expected ',' or '...' before numeric constant
0_0_32726257_16279.cpp:14:2: error: 'int Trie::memset(int, int)' cannot be overloaded
  memset(tr, 0, sizeof(tr));
  ^
0_0_32726257_16279.cpp:13:2: error: with 'int Trie::memset(int, int)'
  memset(num, 0, sizeof(num));
  ^