View Compilation Error

0_0_19673966_23708.cpp: In member function 'void DLX::init(int, int)':
0_0_19673966_23708.cpp:51:9: error: 'siz' was not declared in this scope
         siz=m;
         ^
0_0_19673966_23708.cpp: In member function 'void DLX::link(int, int)':
0_0_19673966_23708.cpp:57:19: error: 'siz' was not declared in this scope
         ++S[col[++siz]=c];
                   ^