View Compilation Error

0_0_15082740_16114.cpp: In member function 'void DLX_Repeat::init(int)':
0_0_15082740_16114.cpp:17:36: error: 'memset' was not declared in this scope
         memset(BEG,0xff,sizeof(BEG));
                                    ^
0_0_15082740_16114.cpp: In member function 'int DLX_Repeat::Heuristics()':
0_0_15082740_16114.cpp:43:33: error: 'memset' was not declared in this scope
         memset(vis,1,sizeof(vis));
                                 ^
0_0_15082740_16114.cpp: In member function 'void DLX_Repeat::DLX_Dfs(int)':
0_0_15082740_16114.cpp:57:29: error: 'min' was not declared in this scope
             ANS = min(n, ANS);
                             ^