View Compilation Error

0_0_27226919_16764.cpp:101:11: error: redefinition of 'const int maxn'
 const int maxn = 26;
           ^
0_0_27226919_16764.cpp:8:11: note: 'const int maxn' previously defined here
 const int maxn = 26;
           ^
0_0_27226919_16764.cpp:102:8: error: redefinition of 'struct Trie'
 struct Trie
        ^
0_0_27226919_16764.cpp:10:8: error: previous definition of 'struct Trie'
 struct Trie
        ^
0_0_27226919_16764.cpp:113:7: error: redefinition of 'Trie* root'
 Trie *root;
       ^
0_0_27226919_16764.cpp:21:7: note: 'Trie* root' previously declared here
 Trie *root;
       ^
0_0_27226919_16764.cpp: In function 'int main()':
0_0_27226919_16764.cpp:154:5: error: redefinition of 'int main()'
 int main()
     ^
0_0_27226919_16764.cpp:70:5: note: 'int main()' previously defined here
 int main()
     ^