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View Compilation Error

0_0_21020607_1188.cpp:5:8: error: macro names must be identifiers
 #define N 2001000  
        ^
0_0_21020607_1188.cpp:4:6: error: expected nested-name-specifier before '&' token
 using namespace std;  
      ^
0_0_21020607_1188.cpp:4:21: error: expected identifier before '&' token
 using namespace std;  
                     ^
0_0_21020607_1188.cpp:4:26: error: expected constructor, destructor, or type conversion before ';' token
 using namespace std;  
                          ^
0_0_21020607_1188.cpp:4:27: error: 'std' does not name a type
 using namespace std;  
                           ^
0_0_21020607_1188.cpp:4:36: error: expected constructor, destructor, or type conversion before ';' token
 using namespace std;  
                                    ^
0_0_21020607_1188.cpp:4:42: error: expected constructor, destructor, or type conversion before ';' token
 using namespace std;  
                                          ^
0_0_21020607_1188.cpp:6:6: error: expected constructor, destructor, or type conversion before ';' token
   
      ^
0_0_21020607_1188.cpp:6:12: error: expected constructor, destructor, or type conversion before ';' token
   
            ^
0_0_21020607_1188.cpp:7:5: error: 'nbsp' declared as reference but not initialized
 int R,happy,wolf,n,m,tot;  
     ^
0_0_21020607_1188.cpp:7:10: error: 'R' does not name a type
 int R,happy,wolf,n,m,tot;  
          ^
0_0_21020607_1188.cpp:7:36: error: expected constructor, destructor, or type conversion before ';' token
 int R,happy,wolf,n,m,tot;  
                                    ^
0_0_21020607_1188.cpp:7:42: error: expected constructor, destructor, or type conversion before ';' token
 int R,happy,wolf,n,m,tot;  
                                          ^
0_0_21020607_1188.cpp:8:5: error: redefinition of 'int& nbsp'
 int f[110],root[2],sum[110];  
     ^
0_0_21020607_1188.cpp:7:5: note: 'int& nbsp' previously declared here
 int R,happy,wolf,n,m,tot;  
     ^
0_0_21020607_1188.cpp:8:10: error: 'f' does not name a type
 int f[110],root[2],sum[110];  
          ^
0_0_21020607_1188.cpp:8:39: error: expected constructor, destructor, or type conversion before ';' token
 int f[110],root[2],sum[110];  
                                       ^
0_0_21020607_1188.cpp:8:45: error: expected constructor, destructor, or type conversion before ';' token
 int f[110],root[2],sum[110];  
                                             ^
0_0_21020607_1188.cpp:9:7: error: expected identifier before '&' token
 struct node  
       ^
0_0_21020607_1188.cpp:9:12: error: invalid type in declaration before ';' token
 struct node  
            ^
0_0_21020607_1188.cpp:9:12: error: redefinition of 'int& nbsp'
0_0_21020607_1188.cpp:7:5: note: 'int& nbsp' previously declared here
 int R,happy,wolf,n,m,tot;  
     ^
0_0_21020607_1188.cpp:9:13: error: 'node' does not name a type
 struct node  
             ^
0_0_21020607_1188.cpp:9:28: error: expected constructor, destructor, or type conversion before ';' token
 struct node  
                            ^
0_0_21020607_1188.cpp:10:1: error: expected unqualified-id before '{' token
 {  
 ^
0_0_21020607_1188.cpp:12:2: error: 'nd' does not name a type
 }nd[N];  
  ^
0_0_21020607_1188.cpp:12:13: error: expected constructor, destructor, or type conversion before ';' token
 }nd[N];  
             ^
0_0_21020607_1188.cpp:12:19: error: expected constructor, destructor, or type conversion before ';' token
 }nd[N];  
                   ^
0_0_21020607_1188.cpp:13:6: error: expected constructor, destructor, or type conversion before ';' token
   
      ^
0_0_21020607_1188.cpp:13:12: error: expected constructor, destructor, or type conversion before ';' token
   
            ^
0_0_21020607_1188.cpp:14:5: error: redefinition of 'int& nbsp'
 int newnode(int x)  
     ^
0_0_21020607_1188.cpp:7:5: note: 'int& nbsp' previously declared here
 int R,happy,wolf,n,m,tot;  
     ^
0_0_21020607_1188.cpp:14:26: error: expected ')' before ';' token
 int newnode(int x)  
                          ^
0_0_21020607_1188.cpp:14:26: error: expected constructor, destructor, or type conversion before ';' token
0_0_21020607_1188.cpp:14:27: error: 'x' does not name a type
 int newnode(int x)  
                           ^
0_0_21020607_1188.cpp:14:40: error: expected constructor, destructor, or type conversion before ';' token
 int newnode(int x)  
                                        ^
0_0_21020607_1188.cpp:15:1: error: expected unqualified-id before '{' token
 {  
 ^
0_0_21020607_1188.cpp:22:7: error: expected constructor, destructor, or type conversion before ';' token
 }  
       ^
0_0_21020607_1188.cpp:22:13: error: expected constructor, destructor, or type conversion before ';' token
 }  
             ^
0_0_21020607_1188.cpp:23:6: error: expected constructor, destructor, or type conversion before ';' token
   
      ^
0_0_21020607_1188.cpp:23:12: error: expected constructor, destructor, or type conversion before ';' token
   
            ^
0_0_21020607_1188.cpp:24:5: error: redefinition of 'int& nbsp'
 int merge(int x,int y)  
     ^
0_0_21020607_1188.cpp:7:5: note: 'int& nbsp' previously declared here
 int R,happy,wolf,n,m,tot;  
     ^
0_0_21020607_1188.cpp:24:24: error: expected ')' before ';' token
 int merge(int x,int y)  
                        ^
0_0_21020607_1188.cpp:24:24: error: expected constructor, destructor, or type conversion before ';' token
0_0_21020607_1188.cpp:24:25: error: 'x' does not name a type
 int merge(int x,int y)  
                         ^
0_0_21020607_1188.cpp:24:36: error: 'y' does not name a type
 int merge(int x,int y)  
                                    ^
0_0_21020607_1188.cpp:24:49: error: expected constructor, destructor, or type conversion before ';' token
 int merge(int x,int y)  
                                                 ^
0_0_21020607_1188.cpp:25:1: error: expected unqualified-id before '{' token
 {  
 ^
0_0_21020607_1188.cpp:33:7: error: expected constructor, destructor, or type conversion before ';' token
 }  
       ^
0_0_21020607_1188.cpp:33:13: error: expected constructor, destructor, or type conversion before ';' token
 }  
             ^
0_0_21020607_1188.cpp:34:6: error: expected constructor, destructor, or type conversion before ';' token
   
      ^
0_0_21020607_1188.cpp:34:12: error: expected constructor, destructor, or type conversion before ';' token
   
            ^
0_0_21020607_1188.cpp:35:5: error: redefinition of 'int& nbsp'
 int pop(int x)  
     ^
0_0_21020607_1188.cpp:7:5: note: 'int& nbsp' previously declared here
 int R,happy,wolf,n,m,tot;  
     ^
0_0_21020607_1188.cpp:35:22: error: expected ')' before ';' token
 int pop(int x)  
                      ^
0_0_21020607_1188.cpp:35:22: error: expected constructor, destructor, or type conversion before ';' token
0_0_21020607_1188.cpp:35:23: error: 'x' does not name a type
 int pop(int x)  
                       ^
0_0_21020607_1188.cpp:35:36: error: expected constructor, destructor, or type conversion before ';' token
 int pop(int x)  
                                    ^
0_0_21020607_1188.cpp:36:1: error: expected unqualified-id before '{' token
 {  
 ^
0_0_21020607_1188.cpp:40:7: error: expected constructor, destructor, or type conversion before ';' token
 }  
       ^
0_0_21020607_1188.cpp:40:13: error: expected constructor, destructor, or type conversion before ';' token
 }  
             ^
0_0_21020607_1188.cpp:41:6: error: expected constructor, destructor, or type conversion before ';' token
   
      ^
0_0_21020607_1188.cpp:41:12: error: expected constructor, destructor, or type conversion before ';' token
   
            ^
0_0_21020607_1188.cpp:42:5: error: redefinition of 'int& nbsp'
 int main()  
     ^
0_0_21020607_1188.cpp:7:5: note: 'int& nbsp' previously declared here
 int R,happy,wolf,n,m,tot;  
     ^
0_0_21020607_1188.cpp:42:17: error: expected constructor, destructor, or type conversion before 'nbsp'
 int main()  
                 ^
0_0_21020607_1188.cpp:42:27: error: expected constructor, destructor, or type conversion before ';' token
 int main()  
                           ^
0_0_21020607_1188.cpp:43:1: error: expected unqualified-id before '{' token
 {  
 ^


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