View Compilation Error

0_0_25867901_22252.cpp: In member function 'mat mat::operator*(const mat&) const':
0_0_25867901_22252.cpp:138:23: error: 'tmp' was not declared in this scope
                    if(tmp.mp[i][j]>=mod)tmp.mp[i][j]-=mod;
                       ^
0_0_25867901_22252.cpp:138:23: note: suggested alternative:
0_0_25867901_22252.cpp:65:10: note:   'Quick_out::tmp'
     char tmp[100];
          ^
0_0_25867901_22252.cpp: In member function 'long long int* mat::operator[](int)':
0_0_25867901_22252.cpp:159:20: error: cannot convert 'int*' to 'long long int*' in return
         return mp[m];
                    ^