/in/foo.cc: In function 'void read(_T&)':
/in/foo.cc:30:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
  if(_t=='-') _flag=true,_t=getchar(); _x=_t-'0';
  ^~
/in/foo.cc:30:39: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
  if(_t=='-') _flag=true,_t=getchar(); _x=_t-'0';
                                       ^~
/in/foo.cc: In function 'int main()':
/in/foo.cc:47:21: warning: format '%lld' expects argument of type 'long long int', but argument 2 has type 'int' [-Wformat=]
   printf("%lld\n", x);
                     ^
/in/foo.cc:48:23: error: no matching function for call to 'max(long long int&, int)'
   cur = max(cur, x + h);
                       ^
In file included from /usr/include/c++/6/bits/char_traits.h:39:0,
                 from /usr/include/c++/6/ios:40,
                 from /usr/include/c++/6/ostream:38,
                 from /usr/include/c++/6/iostream:39,
                 from /in/foo.cc:2:
/usr/include/c++/6/bits/stl_algobase.h:219:5: note: candidate: template<class _Tp> const _Tp& std::max(const _Tp&, const _Tp&)
     max(const _Tp& __a, const _Tp& __b)
     ^~~
/usr/include/c++/6/bits/stl_algobase.h:219:5: note:   template argument deduction/substitution failed:
/in/foo.cc:48:23: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   cur = max(cur, x + h);
                       ^
In file included from /usr/include/c++/6/bits/char_traits.h:39:0,
                 from /usr/include/c++/6/ios:40,
                 from /usr/include/c++/6/ostream:38,
                 from /usr/include/c++/6/iostream:39,
                 from /in/foo.cc:2:
/usr/include/c++/6/bits/stl_algobase.h:265:5: note: candidate: template<class _Tp, class _Compare> const _Tp& std::max(const _Tp&, const _Tp&, _Compare)
     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
     ^~~
/usr/include/c++/6/bits/stl_algobase.h:265:5: note:   template argument deduction/substitution failed:
/in/foo.cc:48:23: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   cur = max(cur, x + h);
                       ^
In file included from /usr/include/c++/6/algorithm:62:0,
                 from /in/foo.cc:3:
/usr/include/c++/6/bits/stl_algo.h:3459:5: note: candidate: template<class _Tp> _Tp std::max(std::initializer_list<_Tp>)
     max(initializer_list<_Tp> __l)
     ^~~
/usr/include/c++/6/bits/stl_algo.h:3459:5: note:   template argument deduction/substitution failed:
/in/foo.cc:48:23: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   cur = max(cur, x + h);
                       ^
In file included from /usr/include/c++/6/algorithm:62:0,
                 from /in/foo.cc:3:
/usr/include/c++/6/bits/stl_algo.h:3465:5: note: candidate: template<class _Tp, class _Compare> _Tp std::max(std::initializer_list<_Tp>, _Compare)
     max(initializer_list<_Tp> __l, _Compare __comp)
     ^~~
/usr/include/c++/6/bits/stl_algo.h:3465:5: note:   template argument deduction/substitution failed:
/in/foo.cc:48:23: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   cur = max(cur, x + h);
                       ^