View Compilation Error

0_0_37115789_28878.cpp: In function 'int main()':
0_0_37115789_28878.cpp:43:22: error: request for member 'size' in 'vis', which is of non-class type 'bool [109][109]'
   memset(vis, 0, vis.size());
                      ^
0_0_37115789_28878.cpp:44:17: error: request for member 'size' in 'm', which is of non-class type 'char [109][109]'
   memset(m, 0,m.size());
                 ^