View Compilation Error

0_0_4929293_11831.cpp: In function `void input()':
0_0_4929293_11831.cpp:30: error: cannot convert `State' to `void*' for argument `1' to `void* memset(void*, int, size_t)'
0_0_4929293_11831.cpp: In function `void solve()':
0_0_4929293_11831.cpp:79: error: 'class std::queue<State, std::deque<State, std::allocator<State> > >' has no member named 'clear'