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View Compilation Error

0_0_36320889_3517.cpp: In function 'int main()':
0_0_36320889_3517.cpp:12:14: error: two or more data types in declaration of 'type name'
   map<string int> map1;
              ^
0_0_36320889_3517.cpp:12:17: error: wrong number of template arguments (1, should be 4)
   map<string int> map1;
                 ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/map:61:0,
                 from 0_0_36320889_3517.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_map.h:96:11: error: provided for 'template<class _Key, class _Tp, class _Compare, class _Alloc> class std::map'
     class map
           ^
0_0_36320889_3517.cpp:12:23: error: invalid type in declaration before ';' token
   map<string int> map1;
                       ^
0_0_36320889_3517.cpp:18:19: error: no match for 'operator[]' (operand types are 'int' and 'std::string {aka std::basic_string<char>}')
             ++map1[s1];
                   ^
0_0_36320889_3517.cpp:22:21: error: request for member 'begin' in 'map1', which is of non-class type 'int'
     for(iter = map1.begin();iter!=map1.end();iter++)
                     ^
0_0_36320889_3517.cpp:22:40: error: request for member 'end' in 'map1', which is of non-class type 'int'
     for(iter = map1.begin();iter!=map1.end();iter++)
                                        ^
0_0_36320889_3517.cpp:25:18: error: 'std::map<std::basic_string<char>, int>::iterator' has no member named 'second'
      if(max<iter.second)
                  ^
0_0_36320889_3517.cpp:27:20: error: 'std::map<std::basic_string<char>, int>::iterator' has no member named 'second'
         max = iter.second;
                    ^
0_0_36320889_3517.cpp:30:13: error: 'std::map<std::basic_string<char>, int>::iterator' has no member named 'first'
  cout<<iter.first;
             ^
0_0_36320889_3517.cpp:33:3: error: expected '}' at end of input
   }
   ^


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