Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
121144 王镒阳 02三个数相乘 C++ Compile Error 0 MS 0 KB 114 2025-06-06 20:06:00

Tests(0/0):

Code:

#include <iostream> using namespace std; int main(){ int a,b,c; cin>>a>>b<<c； cout<<a*b*c; return 0; }

Run Info:

Main.cc:5:1: error: stray '\357' in program
 cin>>a>>b<::__istream_type {aka std::basic_istream}' and 'int')
 cin>>a>>b<
Main.cc:5:10: note:   no known conversion for argument 1 from 'std::basic_istream::__istream_type {aka std::basic_istream}' to 'int'
In file included from /usr/include/c++/5/string:52:0,
                 from /usr/include/c++/5/bits/locale_classes.h:40,
                 from /usr/include/c++/5/bits/ios_base.h:41,
                 from /usr/include/c++/5/ios:42,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:1:
/usr/include/c++/5/bits/basic_string.h:5172:5: note: candidate: template std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator<<(basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/5/bits/basic_string.h:5172:5: note:   template argument deduction/substitution failed:
Main.cc:5:12: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
 cin>>a>>b< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::error_code&)
     operator<<(basic_ostream<_CharT, _Traits>& __os, const error_code& __e)
     ^
/usr/include/c++/5/system_error:209:5: note:   template argument deduction/substitution failed:
Main.cc:5:12: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
 cin>>a>>b< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, _CharT)
     operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c)
     ^
/usr/include/c++/5/ostream:497:5: note:   template argument deduction/substitution failed:
Main.cc:5:12: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
 cin>>a>>b< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, char)
     operator<<(basic_ostream<_CharT, _Traits>& __out, char __c)
     ^
/usr/include/c++/5/ostream:502:5: note:   template argument deduction/substitution failed:
Main.cc:5:12: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
 cin>>a>>b< std::basic_ostream& std::operator<<(std::basic_ostream&, char)
     operator<<(basic_ostream& __out, char __c)
     ^
/usr/include/c++/5/ostream:508:5: note:   template argument deduction/substitution failed:
Main.cc:5:12: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream'
 cin>>a>>b< std::basic_ostream& std::operator<<(std::basic_ostream&, signed char)
     operator<<(basic_ostream& __out, signed char __c)
     ^
/usr/include/c++/5/ostream:514:5: note:   template argument deduction/substitution failed:
Main.cc:5:12: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream'
 cin>>a>>b< std::basic_ostream& std::operator<<(std::basic_ostream&, unsigned char)
     operator<<(basic_ostream& __out, unsigned char __c)
     ^
/usr/include/c++/5/ostream:519:5: note:   template argument deduction/substitution failed:
Main.cc:5:12: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream'
 cin>>a>>b< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const _CharT*)
     operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s)
     ^
/usr/include/c++/5/ostream:539:5: note:   template argument deduction/substitution failed:
Main.cc:5:12: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
 cin>>a>>b< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const char*)
     operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s)
     ^
/usr/include/c++/5/bits/ostream.tcc:321:5: note:   template argument deduction/substitution failed:
Main.cc:5:12: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
 cin>>a>>b< std::basic_ostream& std::operator<<(std::basic_ostream&, const char*)
     operator<<(basic_ostream& __out, const char* __s)
     ^
/usr/include/c++/5/ostream:556:5: note:   template argument deduction/substitution failed:
Main.cc:5:12: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream'
 cin>>a>>b< std::basic_ostream& std::operator<<(std::basic_ostream&, const signed char*)
     operator<<(basic_ostream& __out, const signed char* __s)
     ^
/usr/include/c++/5/ostream:569:5: note:   template argument deduction/substitution failed:
Main.cc:5:12: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream'
 cin>>a>>b< std::basic_ostream& std::operator<<(std::basic_ostream&, const unsigned char*)
     operator<<(basic_ostream& __out, const unsigned char* __s)
     ^
/usr/include/c++/5/ostream:574:5: note:   template argument deduction/substitution failed:
Main.cc:5:12: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream'
 cin>>a>>b< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&&, const _Tp&)
     operator<<(basic_ostream<_CharT, _Traits>&& __os, const _Tp& __x)
     ^
/usr/include/c++/5/ostream:628:5: note:   template argument deduction/substitution failed:
Main.cc:5:12: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
 cin>>a>>b<