View Compilation Error

0_0_27806620_28799.cpp: In function 'int main()':
0_0_27806620_28799.cpp:6:2: error: 'nbsp' was not declared in this scope
     int i, j, n, x=1, v, m;
  ^
0_0_27806620_28799.cpp:16:57: error: 'else' without a previous 'if'
                 else
                                                         ^