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View Compilation Error

0_0_19737732_13883.cpp:14:6: error: expected nested-name-specifier before '&' token
 using namespace std;  
      ^
0_0_19737732_13883.cpp:14:21: error: expected identifier before '&' token
 using namespace std;  
                     ^
0_0_19737732_13883.cpp:14:26: error: expected constructor, destructor, or type conversion before ';' token
 using namespace std;  
                          ^
0_0_19737732_13883.cpp:14:27: error: 'std' does not name a type
 using namespace std;  
                           ^
0_0_19737732_13883.cpp:14:36: error: expected constructor, destructor, or type conversion before ';' token
 using namespace std;  
                                    ^
0_0_19737732_13883.cpp:14:42: error: expected constructor, destructor, or type conversion before ';' token
 using namespace std;  
                                          ^
0_0_19737732_13883.cpp:15:7: error: 'nbsp' declared as reference but not initialized
 const int N=1510;  
       ^
0_0_19737732_13883.cpp:15:16: error: conflicting declaration 'int& nbsp'
 const int N=1510;  
                ^
0_0_19737732_13883.cpp:15:7: note: previous declaration as 'const int& nbsp'
 const int N=1510;  
       ^
0_0_19737732_13883.cpp:15:21: error: 'N' does not name a type
 const int N=1510;  
                     ^
0_0_19737732_13883.cpp:15:33: error: expected constructor, destructor, or type conversion before ';' token
 const int N=1510;  
                                 ^
0_0_19737732_13883.cpp:15:39: error: expected constructor, destructor, or type conversion before ';' token
 const int N=1510;  
                                       ^
0_0_19737732_13883.cpp:16:7: error: redefinition of 'const int& nbsp'
 const int M=50010;  
       ^
0_0_19737732_13883.cpp:15:7: note: 'const int& nbsp' previously declared here
 const int N=1510;  
       ^
0_0_19737732_13883.cpp:16:16: error: conflicting declaration 'int& nbsp'
 const int M=50010;  
                ^
0_0_19737732_13883.cpp:15:7: note: previous declaration as 'const int& nbsp'
 const int N=1510;  
       ^
0_0_19737732_13883.cpp:16:21: error: 'M' does not name a type
 const int M=50010;  
                     ^
0_0_19737732_13883.cpp:16:34: error: expected constructor, destructor, or type conversion before ';' token
 const int M=50010;  
                                  ^
0_0_19737732_13883.cpp:16:40: error: expected constructor, destructor, or type conversion before ';' token
 const int M=50010;  
                                        ^
0_0_19737732_13883.cpp:17:7: error: redefinition of 'const int& nbsp'
 const int mod=1000000007;  
       ^
0_0_19737732_13883.cpp:15:7: note: 'const int& nbsp' previously declared here
 const int N=1510;  
       ^
0_0_19737732_13883.cpp:17:16: error: conflicting declaration 'int& nbsp'
 const int mod=1000000007;  
                ^
0_0_19737732_13883.cpp:15:7: note: previous declaration as 'const int& nbsp'
 const int N=1510;  
       ^
0_0_19737732_13883.cpp:17:21: error: 'mod' does not name a type
 const int mod=1000000007;  
                     ^
0_0_19737732_13883.cpp:17:41: error: expected constructor, destructor, or type conversion before ';' token
 const int mod=1000000007;  
                                         ^
0_0_19737732_13883.cpp:17:47: error: expected constructor, destructor, or type conversion before ';' token
 const int mod=1000000007;  
                                               ^
0_0_19737732_13883.cpp:18:7: error: redefinition of 'const int& nbsp'
 const int MOD1=1000000007;  
       ^
0_0_19737732_13883.cpp:15:7: note: 'const int& nbsp' previously declared here
 const int N=1510;  
       ^
0_0_19737732_13883.cpp:18:16: error: conflicting declaration 'int& nbsp'
 const int MOD1=1000000007;  
                ^
0_0_19737732_13883.cpp:15:7: note: previous declaration as 'const int& nbsp'
 const int N=1510;  
       ^
0_0_19737732_13883.cpp:18:21: error: 'MOD1' does not name a type
 const int MOD1=1000000007;  
                     ^
0_0_19737732_13883.cpp:18:42: error: expected constructor, destructor, or type conversion before ';' token
 const int MOD1=1000000007;  
                                          ^
0_0_19737732_13883.cpp:18:48: error: expected constructor, destructor, or type conversion before ';' token
 const int MOD1=1000000007;  
                                                ^
0_0_19737732_13883.cpp:19:7: error: redefinition of 'const int& nbsp'
 const int MOD2=1000000009;  
       ^
0_0_19737732_13883.cpp:15:7: note: 'const int& nbsp' previously declared here
 const int N=1510;  
       ^
0_0_19737732_13883.cpp:19:16: error: conflicting declaration 'int& nbsp'
 const int MOD2=1000000009;  
                ^
0_0_19737732_13883.cpp:15:7: note: previous declaration as 'const int& nbsp'
 const int N=1510;  
       ^
0_0_19737732_13883.cpp:19:21: error: 'MOD2' does not name a type
 const int MOD2=1000000009;  
                     ^
0_0_19737732_13883.cpp:19:42: error: expected constructor, destructor, or type conversion before ';' token
 const int MOD2=1000000009;  
                                          ^
0_0_19737732_13883.cpp:19:48: error: expected constructor, destructor, or type conversion before ';' token
 const int MOD2=1000000009;  
                                                ^
0_0_19737732_13883.cpp:20:7: error: redefinition of 'const int& nbsp'
 const double EPS=0.00000001;  
       ^
0_0_19737732_13883.cpp:15:7: note: 'const int& nbsp' previously declared here
 const int N=1510;  
       ^
0_0_19737732_13883.cpp:20:19: error: conflicting declaration 'double& nbsp'
 const double EPS=0.00000001;  
                   ^
0_0_19737732_13883.cpp:15:7: note: previous declaration as 'const int& nbsp'
 const int N=1510;  
       ^
0_0_19737732_13883.cpp:20:24: error: 'EPS' does not name a type
 const double EPS=0.00000001;  
                        ^
0_0_19737732_13883.cpp:20:44: error: expected constructor, destructor, or type conversion before ';' token
 const double EPS=0.00000001;  
                                            ^
0_0_19737732_13883.cpp:20:50: error: expected constructor, destructor, or type conversion before ';' token
 const double EPS=0.00000001;  
                                                  ^
0_0_19737732_13883.cpp:21:9: error: 'typedef int& nbsp' redeclared as different kind of symbol
 typedef long long ll;  
         ^
0_0_19737732_13883.cpp:15:7: note: previous declaration 'const int& nbsp'
 const int N=1510;  
       ^
0_0_19737732_13883.cpp:21:19: error: conflicting declaration 'long int& nbsp'
 typedef long long ll;  
                   ^
0_0_19737732_13883.cpp:15:7: note: previous declaration as 'const int& nbsp'
 const int N=1510;  
       ^
0_0_19737732_13883.cpp:21:29: error: conflicting declaration 'long int& nbsp'
 typedef long long ll;  
                             ^
0_0_19737732_13883.cpp:15:7: note: previous declaration as 'const int& nbsp'
 const int N=1510;  
       ^
0_0_19737732_13883.cpp:21:34: error: 'll' does not name a type
 typedef long long ll;  
                                  ^
0_0_19737732_13883.cpp:21:42: error: expected constructor, destructor, or type conversion before ';' token
 typedef long long ll;  
                                          ^
0_0_19737732_13883.cpp:21:48: error: expected constructor, destructor, or type conversion before ';' token
 typedef long long ll;  
                                                ^
0_0_19737732_13883.cpp:22:7: error: redefinition of 'const int& nbsp'
 const ll MOD=1000000007;  
       ^
0_0_19737732_13883.cpp:15:7: note: 'const int& nbsp' previously declared here
 const int N=1510;  
       ^
0_0_19737732_13883.cpp:22:12: error: 'll' does not name a type
 const ll MOD=1000000007;  
            ^
0_0_19737732_13883.cpp:22:20: error: 'MOD' does not name a type
 const ll MOD=1000000007;  
                    ^
0_0_19737732_13883.cpp:22:40: error: expected constructor, destructor, or type conversion before ';' token
 const ll MOD=1000000007;  
                                        ^
0_0_19737732_13883.cpp:22:46: error: expected constructor, destructor, or type conversion before ';' token
 const ll MOD=1000000007;  
                                              ^
0_0_19737732_13883.cpp:23:7: error: redefinition of 'const


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