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View Compilation Error

0_0_19318264_22716.cpp: In function 'int main()':
0_0_19318264_22716.cpp:10:3: error: 'map' was not declared in this scope
   map<int,int> m;int ans=1<<30,su=0;
   ^
0_0_19318264_22716.cpp:10:3: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/map:61:0,
                 from 0_0_19318264_22716.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_map.h:96:11: note:   'std::map'
     class map
           ^
0_0_19318264_22716.cpp:10:7: error: expected primary-expression before 'int'
   map<int,int> m;int ans=1<<30,su=0;
       ^
0_0_19318264_22716.cpp:15:17: error: 'sort' was not declared in this scope
   sort(c+1,c+1+n);int q=0,j=-1;
                 ^
0_0_19318264_22716.cpp:15:17: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62:0,
                 from 0_0_19318264_22716.cpp:5:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:4705:5: note:   'std::sort'
     sort(_RandomAccessIterator __first, _RandomAccessIterator __last,
     ^
0_0_19318264_22716.cpp:18:4: error: 'm' was not declared in this scope
    m[c[i]]=(q-1)-(n-q);
    ^
0_0_19318264_22716.cpp:22:31: error: 'm' was not declared in this scope
   for (int i=1;i<=n;i++) a[i]=m[b[i]],c[i]=c[i-1]-a[i];
                               ^
0_0_19318264_22716.cpp:23:45: error: 'min' was not declared in this scope
   for (int i=1;i<=n;i++) ans=min(ans,su+c[i]);
                                             ^
0_0_19318264_22716.cpp:23:45: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62:0,
                 from 0_0_19318264_22716.cpp:5:
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)
     ^


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