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View Compilation Error

0_0_29675511_26486.cpp:7:12: error: 'double time' redeclared as different kind of symbol
 double h,m,time;
            ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/ctime:42:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_facets_nonio.h:39,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/locale:41,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iomanip:43,
                 from 0_0_29675511_26486.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/time.h:233:29: note: previous declaration 'time_t time(time_t*)'
 __CRT_INLINE time_t __cdecl time(time_t *_Time) { return _time64(_Time); }
                             ^
0_0_29675511_26486.cpp: In function 'int main()':
0_0_29675511_26486.cpp:18:14: error: cannot bind 'std::istream {aka std::basic_istream<char>}' lvalue to 'std::basic_istream<char>&&'
         cin>>time;
              ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:40:0,
                 from 0_0_29675511_26486.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:872:5: note: initializing argument 1 of 'std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&&, _Tp&) [with _CharT = char; _Traits = std::char_traits<char>; _Tp = long long int(long long int*)]'
     operator>>(basic_istream<_CharT, _Traits>&& __is, _Tp& __x)
     ^
0_0_29675511_26486.cpp:19:15: error: invalid conversion from 'time_t (*)(time_t*) {aka long long int (*)(long long int*)}' to 'int' [-fpermissive]
         int a=time;
               ^
0_0_29675511_26486.cpp:21:24: error: invalid operands of types 'time_t(time_t*) {aka long long int(long long int*)}' and 'double' to binary 'operator-'
         double b=(time-temp);
                        ^


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