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View Compilation Error

0_0_21020100_18536.cpp:5:8: error: macro names must be identifiers
 #define N 100300  
        ^
0_0_21020100_18536.cpp:6:6: error: expected nested-name-specifier before '&' token
 using namespace std;  
      ^
0_0_21020100_18536.cpp:6:21: error: expected identifier before '&' token
 using namespace std;  
                     ^
0_0_21020100_18536.cpp:6:26: error: expected constructor, destructor, or type conversion before ';' token
 using namespace std;  
                          ^
0_0_21020100_18536.cpp:6:27: error: 'std' does not name a type
 using namespace std;  
                           ^
0_0_21020100_18536.cpp:6:36: error: expected constructor, destructor, or type conversion before ';' token
 using namespace std;  
                                    ^
0_0_21020100_18536.cpp:6:42: error: expected constructor, destructor, or type conversion before ';' token
 using namespace std;  
                                          ^
0_0_21020100_18536.cpp:7:6: error: expected identifier before '&' token
 class node  
      ^
0_0_21020100_18536.cpp:7:11: error: invalid type in declaration before ';' token
 class node  
           ^
0_0_21020100_18536.cpp:7:11: error: 'nbsp' declared as reference but not initialized
0_0_21020100_18536.cpp:7:12: error: 'node' does not name a type
 class node  
            ^
0_0_21020100_18536.cpp:7:27: error: expected constructor, destructor, or type conversion before ';' token
 class node  
                           ^
0_0_21020100_18536.cpp:8:1: error: expected unqualified-id before '{' token
 {  
 ^
0_0_21020100_18536.cpp:11:2: error: 'root' does not name a type
 }root[N<<2];  
  ^
0_0_21020100_18536.cpp:11:18: error: expected constructor, destructor, or type conversion before ';' token
 }root[N<<2];  
                  ^
0_0_21020100_18536.cpp:11:24: error: expected constructor, destructor, or type conversion before ';' token
 }root[N<<2];  
                        ^
0_0_21020100_18536.cpp:12:6: error: expected identifier before '&' token
 class A  
      ^
0_0_21020100_18536.cpp:12:11: error: invalid type in declaration before ';' token
 class A  
           ^
0_0_21020100_18536.cpp:12:11: error: redefinition of 'int& nbsp'
0_0_21020100_18536.cpp:7:7: note: 'int& nbsp' previously declared here
 class node  
       ^
0_0_21020100_18536.cpp:12:12: error: 'A' does not name a type
 class A  
            ^
0_0_21020100_18536.cpp:12:24: error: expected constructor, destructor, or type conversion before ';' token
 class A  
                        ^
0_0_21020100_18536.cpp:13:1: error: expected unqualified-id before '{' token
 {  
 ^
0_0_21020100_18536.cpp:16:2: error: 'q' does not name a type
 }q[N];  
  ^
0_0_21020100_18536.cpp:16:12: error: expected constructor, destructor, or type conversion before ';' token
 }q[N];  
            ^
0_0_21020100_18536.cpp:16:18: error: expected constructor, destructor, or type conversion before ';' token
 }q[N];  
                  ^
0_0_21020100_18536.cpp:17:6: error: conflicting declaration 'bool& nbsp'
 bool cmp(A a,A b)  
      ^
0_0_21020100_18536.cpp:7:7: note: previous declaration as 'int& nbsp'
 class node  
       ^
0_0_21020100_18536.cpp:17:14: error: expected constructor, destructor, or type conversion before '(' token
 bool cmp(A a,A b)  
              ^
0_0_21020100_18536.cpp:17:22: error: 'a' does not name a type
 bool cmp(A a,A b)  
                      ^
0_0_21020100_18536.cpp:17:31: error: 'b' does not name a type
 bool cmp(A a,A b)  
                               ^
0_0_21020100_18536.cpp:17:44: error: expected constructor, destructor, or type conversion before ';' token
 bool cmp(A a,A b)  
                                            ^
0_0_21020100_18536.cpp:18:1: error: expected unqualified-id before '{' token
 {  
 ^
0_0_21020100_18536.cpp:20:7: error: expected constructor, destructor, or type conversion before ';' token
 }  
       ^
0_0_21020100_18536.cpp:20:13: error: expected constructor, destructor, or type conversion before ';' token
 }  
             ^
0_0_21020100_18536.cpp:21:6: error: cannot declare reference to 'void'
 void build(int t,int l,int r)  
      ^
0_0_21020100_18536.cpp:21:6: error: variable or field 'nbsp' declared void
0_0_21020100_18536.cpp:21:25: error: expected ')' before ';' token
 void build(int t,int l,int r)  
                         ^
0_0_21020100_18536.cpp:21:25: error: expected constructor, destructor, or type conversion before ';' token
0_0_21020100_18536.cpp:21:26: error: 't' does not name a type
 void build(int t,int l,int r)  
                          ^
0_0_21020100_18536.cpp:21:37: error: 'l' does not name a type
 void build(int t,int l,int r)  
                                     ^
0_0_21020100_18536.cpp:21:48: error: 'r' does not name a type
 void build(int t,int l,int r)  
                                                ^
0_0_21020100_18536.cpp:21:61: error: expected constructor, destructor, or type conversion before ';' token
 void build(int t,int l,int r)  
                                                             ^
0_0_21020100_18536.cpp:22:1: error: expected unqualified-id before '{' token
 {  
 ^


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