View Compilation Error

0_0_21799676_12188.cpp: In function 'bool dfs(int*, int, int)':
0_0_21799676_12188.cpp:12:2: error: 'nbsp' was not declared in this scope
        int i, j, k;
  ^
0_0_21799676_12188.cpp: In function 'int MaximumClique()':
0_0_21799676_12188.cpp:37:2: error: 'nbsp' was not declared in this scope
         int i, j, k;
  ^
0_0_21799676_12188.cpp: In function 'int main()':
0_0_21799676_12188.cpp:52:2: error: 'nbsp' was not declared in this scope
     while(scanf("%d",&n)!=EOF)
  ^
0_0_21799676_12188.cpp:55:44: error: break statement not within loop or switch
         break;
                                            ^
0_0_21799676_12188.cpp:58:58: error: 'i' was not declared in this scope
         scanf("%d",&g[i][j]);
                                                          ^
0_0_21799676_12188.cpp:58:61: error: 'j' was not declared in this scope
         scanf("%d",&g[i][j]);
                                                             ^