View Compilation Error

0_0_17812041_21129.cpp: In function 'int maintain(int&)':
0_0_17812041_21129.cpp:42:28: error: 'struct Node' has no member named 'lchnclude'
             maintain(ns[a].lchnclude <string.h>
                            ^
0_0_17812041_21129.cpp:42:45: error: expected primary-expression before '.' token
             maintain(ns[a].lchnclude <string.h>
                                             ^
0_0_17812041_21129.cpp:52:13: error: expected primary-expression before 'using'
             using namespace std;
             ^
0_0_17812041_21129.cpp:67:72: error: a function-definition is not allowed here before '{' token
                                                         int find(int x){
                                                                        ^
0_0_17812041_21129.cpp:71:85: error: a function-definition is not allowed here before '{' token
                                                                 int maintain(int &a){
                                                                                     ^
0_0_17812041_21129.cpp:258:1: error: expected '}' at end of input
 }
 ^
0_0_17812041_21129.cpp:258:1: error: expected '}' at end of input