View Compilation Error

0_0_21782229_16497.cpp: In function 'int clique(int, int*, bool (*)[55], int, int&, int&, int*, int*, int*)':
0_0_21782229_16497.cpp:3:2: error: 'nbsp' was not declared in this scope
     int i,j,vn,v[55];
  ^
0_0_21782229_16497.cpp:16:20: error: 'else' without a previous 'if'
     else if (size>max){
                    ^
0_0_21782229_16497.cpp: In function 'int maxclique(int, bool (*)[55], int*)':
0_0_21782229_16497.cpp:26:2: error: 'nbsp' was not declared in this scope
     int max=0,bb,c[55],i,j;
  ^
0_0_21782229_16497.cpp: In function 'int main()':
0_0_21782229_16497.cpp:41:2: error: 'nbsp' was not declared in this scope
     // freopen ("1.txt","r",stdin);
  ^