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View Compilation Error

0_0_28170425_22530.cpp: In function 'int dfs(int, int)':
0_0_28170425_22530.cpp:6:53: error: 'min' was not declared in this scope
     return min(min(dfs(l-(r-l)-1,r),dfs(l-(r-l)-2,r)),min(dfs(l,r+r-l+1),dfs(l,r+r-l)));    
                                                     ^
0_0_28170425_22530.cpp:6:53: 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_28170425_22530.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:3444:5: note:   'std::min'
     min(initializer_list<_Tp> __l, _Compare __comp)
     ^
0_0_28170425_22530.cpp:6:87: error: 'min' was not declared in this scope
     return min(min(dfs(l-(r-l)-1,r),dfs(l-(r-l)-2,r)),min(dfs(l,r+r-l+1),dfs(l,r+r-l)));    
                                                                                       ^
0_0_28170425_22530.cpp:6:87: 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_28170425_22530.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:3444:5: note:   'std::min'
     min(initializer_list<_Tp> __l, _Compare __comp)
     ^
0_0_28170425_22530.cpp:6:87: error: redeclaration of '<typeprefixerror>min'
     return min(min(dfs(l-(r-l)-1,r),dfs(l-(r-l)-2,r)),min(dfs(l,r+r-l+1),dfs(l,r+r-l)));    
                                                                                       ^
0_0_28170425_22530.cpp:6:53: note: previous declaration '<typeprefixerror>min'
     return min(min(dfs(l-(r-l)-1,r),dfs(l-(r-l)-2,r)),min(dfs(l,r+r-l+1),dfs(l,r+r-l)));    
                                                     ^


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