View Compilation Error

0_0_4792544_9005.cpp: In function `int MMP()':
0_0_4792544_9005.cpp:28: error: `usd' undeclared (first use this function)
0_0_4792544_9005.cpp:28: error: (Each undeclared identifier is reported only once for each function it appears in.)
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/bits/stl_algobase.h: In function `void std::fill(_ForwardIterator, _ForwardIterator, const _Tp&) [with _ForwardIterator = bool (*)[125], _Tp = bool]':
0_0_4792544_9005.cpp:41:   instantiated from here
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/bits/stl_algobase.h:524: error: incompatible types in assignment of `const bool' to `bool[125]'