Run id: 129145

Main.cc: In function 'int main()':
Main.cc:9:2: error: expected ';' before 'cin'
  cin>>n>>m;
  ^
Main.cc:9:11: warning: statement has no effect [-Wunused-value]
  cin>>n>>m;
           ^
Main.cc:12:15: error: invalid types 'int[int]' for array subscript
    cin>>a[i][j];
               ^
Main.cc:16:9: error: invalid types 'int[int]' for array subscript
   a[i][i]+=m;
         ^
Main.cc:17:13: error: invalid types 'int[int]' for array subscript
   a[i][n-i-1]+=m;
             ^
Main.cc:20:22: error: invalid types 'int[int]' for array subscript
  if(n%2==1)a[n/2][n/2]-=m;
                      ^
Main.cc:23:23: error: invalid types 'int[int]' for array subscript
    printf("%5d",a[i][j]);
                       ^