View Compilation Error

0_0_5460043_14078.cpp: In function `int main()':
0_0_5460043_14078.cpp:24: error: 'class std::stack<int, std::deque<int, std::allocator<int> > >' has no member named 'clear'
0_0_5460043_14078.cpp:31: error: `f' undeclared (first use this function)
0_0_5460043_14078.cpp:31: error: (Each undeclared identifier is reported only once for each function it appears in.)