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View Compilation Error

0_0_20658787_32405.cpp:5:8: error: macro names must be identifiers
 #define N 1005  
        ^
0_0_20658787_32405.cpp:4:6: error: expected constructor, destructor, or type conversion before ';' token
   
      ^
0_0_20658787_32405.cpp:4:12: error: expected constructor, destructor, or type conversion before ';' token
   
            ^
0_0_20658787_32405.cpp:6:6: error: expected constructor, destructor, or type conversion before ';' token
   
      ^
0_0_20658787_32405.cpp:6:12: error: expected constructor, destructor, or type conversion before ';' token
   
            ^
0_0_20658787_32405.cpp:7:5: error: 'nbsp' declared as reference but not initialized
 int n,m;  
     ^
0_0_20658787_32405.cpp:7:10: error: 'n' does not name a type
 int n,m;  
          ^
0_0_20658787_32405.cpp:7:19: error: expected constructor, destructor, or type conversion before ';' token
 int n,m;  
                   ^
0_0_20658787_32405.cpp:7:25: error: expected constructor, destructor, or type conversion before ';' token
 int n,m;  
                         ^
0_0_20658787_32405.cpp:8:5: error: redefinition of 'int& nbsp'
 int sg[N];  
     ^
0_0_20658787_32405.cpp:7:5: note: 'int& nbsp' previously declared here
 int n,m;  
     ^
0_0_20658787_32405.cpp:8:10: error: 'sg' does not name a type
 int sg[N];  
          ^
0_0_20658787_32405.cpp:8:21: error: expected constructor, destructor, or type conversion before ';' token
 int sg[N];  
                     ^
0_0_20658787_32405.cpp:8:27: error: expected constructor, destructor, or type conversion before ';' token
 int sg[N];  
                           ^
0_0_20658787_32405.cpp:9:6: error: expected constructor, destructor, or type conversion before ';' token
   
      ^
0_0_20658787_32405.cpp:9:12: error: expected constructor, destructor, or type conversion before ';' token
   
            ^
0_0_20658787_32405.cpp:10:5: error: redefinition of 'int& nbsp'
 int mex(int n){  
     ^
0_0_20658787_32405.cpp:7:5: note: 'int& nbsp' previously declared here
 int n,m;  
     ^
0_0_20658787_32405.cpp:10:22: error: expected ')' before ';' token
 int mex(int n){  
                      ^
0_0_20658787_32405.cpp:10:22: error: expected constructor, destructor, or type conversion before ';' token
0_0_20658787_32405.cpp:10:23: error: 'n' does not name a type
 int mex(int n){  
                       ^
0_0_20658787_32405.cpp:26:7: error: expected constructor, destructor, or type conversion before ';' token
 }  
       ^
0_0_20658787_32405.cpp:26:13: error: expected constructor, destructor, or type conversion before ';' token
 }  
             ^
0_0_20658787_32405.cpp:27:5: error: redefinition of 'int& nbsp'
 int main(){  
     ^
0_0_20658787_32405.cpp:7:5: note: 'int& nbsp' previously declared here
 int n,m;  
     ^
0_0_20658787_32405.cpp: In function 'int main()':
0_0_20658787_32405.cpp:28:29: error: 'nbsp' declared as reference but not initialized
     int i,j;  
                             ^
0_0_20658787_32405.cpp:28:34: error: 'i' was not declared in this scope
     int i,j;  
                                  ^
0_0_20658787_32405.cpp:28:36: error: 'j' was not declared in this scope
     int i,j;  
                                    ^
0_0_20658787_32405.cpp:29:29: error: redeclaration of 'int& nbsp'
     int T,ca = 1;  
                             ^
0_0_20658787_32405.cpp:28:29: note: 'int& nbsp' previously declared here
     int i,j;  
                             ^
0_0_20658787_32405.cpp:29:34: error: 'T' was not declared in this scope
     int T,ca = 1;  
                                  ^
0_0_20658787_32405.cpp:29:36: error: 'ca' was not declared in this scope
     int T,ca = 1;  
                                    ^
0_0_20658787_32405.cpp:29:44: error: expected primary-expression before '=' token
     int T,ca = 1;  
                                            ^
0_0_20658787_32405.cpp:32:69: error: 'n' was not declared in this scope
         scanf("%d %d",&n,&m);  
                                                                     ^
0_0_20658787_32405.cpp:32:72: error: 'm' was not declared in this scope
         scanf("%d %d",&n,&m);  
                                                                        ^
0_0_20658787_32405.cpp:34:58: error: expected ')' before ';' token
         if(m > n){  
                                                          ^
0_0_20658787_32405.cpp:34:59: error: expected primary-expression before '>' token
         if(m > n){  
                                                           ^
0_0_20658787_32405.cpp:34:67: error: expected ';' before ')' token
         if(m > n){  
                                                                   ^
0_0_20658787_32405.cpp:38:49: error: 'else' without a previous 'if'
         else if(m == n){  
                                                 ^
0_0_20658787_32405.cpp:38:68: error: expected ')' before ';' token
         else if(m == n){  
                                                                    ^
0_0_20658787_32405.cpp:38:69: error: expected primary-expression before '==' token
         else if(m == n){  
                                                                     ^
0_0_20658787_32405.cpp:38:78: error: expected ';' before ')' token
         else if(m == n){  
                                                                              ^
0_0_20658787_32405.cpp:42:56: error: 'sg' was not declared in this scope
         memset(sg,-1,sizeof(sg));  
                                                        ^
0_0_20658787_32405.cpp:43:56: error: expected primary-expression before '-=' token
         n -= m;  
                                                        ^
0_0_20658787_32405.cpp:44:59: error: 'mex' was not declared in this scope
         puts(mex(n)?"abcdxyzk":"aekdycoin");  
                                                           ^
0_0_20658787_32405.cpp:46:32: error: invalid conversion from 'int*' to 'int' [-fpermissive]
     return 0;  
                                ^
0_0_20658787_32405.cpp: At global scope:
0_0_20658787_32405.cpp:47:7: error: expected constructor, destructor, or type conversion before ';' token
 } 
       ^


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