View Compilation Error

0_0_6744626_12195.cpp:12: error: conflicting declaration 'int N'
0_0_6744626_12195.cpp:8: error: 'N' has a previous declaration as `const int N'
0_0_6744626_12195.cpp:12: error: declaration of `int N'
0_0_6744626_12195.cpp:8: error: conflicts with previous declaration `const int N'
0_0_6744626_12195.cpp: In function `void Trie()':
0_0_6744626_12195.cpp:20: error: assignment of read-only variable `N'
0_0_6744626_12195.cpp:26: error: increment of read-only variable `N'
0_0_6744626_12195.cpp: In function `void AC()':
0_0_6744626_12195.cpp:35: error: `KIND' undeclared (first use this function)
0_0_6744626_12195.cpp:35: error: (Each undeclared identifier is reported only once for each function it appears in.)