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View Compilation Error

0_0_14723068_20305.cpp:150:5: error: 'vector' does not name a type
     vector<int> map[MAXN];  
     ^
0_0_14723068_20305.cpp: In function 'void init()':
0_0_14723068_20305.cpp:155:39: error: 'map' was not declared in this scope
         for(int i = 0; i < MAXN; i++) map[i].clear();  
                                       ^
0_0_14723068_20305.cpp: In function 'void dp(int)':
0_0_14723068_20305.cpp:162:28: error: 'map' was not declared in this scope
         for(int i = 0; i < map[now].size(); i++){  
                            ^
0_0_14723068_20305.cpp:166:57: error: 'max' was not declared in this scope
             ret0 = max(ret0, ret0 + max(f[v][0], f[v][1]));  
                                                         ^
0_0_14723068_20305.cpp:166:57: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62:0,
                 from 0_0_14723068_20305.cpp:141:
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)
     ^
0_0_14723068_20305.cpp:166:58: error: 'max' was not declared in this scope
             ret0 = max(ret0, ret0 + max(f[v][0], f[v][1]));  
                                                          ^
0_0_14723068_20305.cpp:166:58: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62:0,
                 from 0_0_14723068_20305.cpp:141:
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)
     ^
0_0_14723068_20305.cpp:166:58: error: redeclaration of '<typeprefixerror>max'
             ret0 = max(ret0, ret0 + max(f[v][0], f[v][1]));  
                                                          ^
0_0_14723068_20305.cpp:166:57: note: previous declaration '<typeprefixerror>max'
             ret0 = max(ret0, ret0 + max(f[v][0], f[v][1]));  
                                                         ^
0_0_14723068_20305.cpp: In function 'int main()':
0_0_14723068_20305.cpp:182:17: error: 'map' was not declared in this scope
                 map[v].push_back(u);  
                 ^
0_0_14723068_20305.cpp:190:48: error: 'max' was not declared in this scope
                     ans += max(f[i][0], f[i][1]);  
                                                ^
0_0_14723068_20305.cpp:190:48: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62:0,
                 from 0_0_14723068_20305.cpp:141:
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)
     ^


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