View Compilation Error

0_0_24362945_872.cpp: In function 'int main()':
0_0_24362945_872.cpp:33:25: error: 'max' was not declared in this scope
     ans = max(ans, dp[j]);
                         ^
0_0_24362945_872.cpp:33:25: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_24362945_872.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:261:5: note:   'std::max'
     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
     ^