View Compilation Error

0_0_33515768_16008.cpp: In function 'int main()':
0_0_33515768_16008.cpp:27:82: error: 'max' was not declared in this scope
                             ans = max(ans,map[i][1]+map[j][1]+map[k][1]+map[l][1])
                                                                                  ^
0_0_33515768_16008.cpp:27:82: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:64,
                 from 0_0_33515768_16008.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:3454:5: note:   'std::max'
     max(initializer_list<_Tp> __l, _Compare __comp)
     ^