Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
120985 王奕诺 08比较三个数大小II C++ Compile Error 0 MS 0 KB 277 2025-06-02 18:13:02

Tests(0/0):

Code:

#include <iostream> #include <cstdio> #include <iomanip> #include <cmath> using namespace std; int main(){ int a,b,c; cin>>a>>b>>c; if(a>b){ min = b; }else{ min = a; }if(c<min){ min = c; } cout<<min<<endl; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:11:13: error: overloaded function with no contextual type information
         min = b;
             ^
Main.cc:13:13: error: overloaded function with no contextual type information
         min = a;
             ^
Main.cc:14:11: error: invalid operands of types 'int' and '' to binary 'operator<'
     }if(c}' and '')
     cout<::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>::__ostream_type& (*)(std::basic_ostream<_CharT, _Traits>::__ostream_type&)) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(__ostream_type& (*__pf)(__ostream_type&))
       ^
/usr/include/c++/5/ostream:108:7: note:   no known conversion for argument 1 from '' to 'std::basic_ostream::__ostream_type& (*)(std::basic_ostream::__ostream_type&) {aka std::basic_ostream& (*)(std::basic_ostream&)}'
/usr/include/c++/5/ostream:117:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>::__ios_type& (*)(std::basic_ostream<_CharT, _Traits>::__ios_type&)) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream; std::basic_ostream<_CharT, _Traits>::__ios_type = std::basic_ios]
       operator<<(__ios_type& (*__pf)(__ios_type&))
       ^
/usr/include/c++/5/ostream:117:7: note:   no known conversion for argument 1 from '' to 'std::basic_ostream::__ios_type& (*)(std::basic_ostream::__ios_type&) {aka std::basic_ios& (*)(std::basic_ios&)}'
/usr/include/c++/5/ostream:127:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(ios_base& (*__pf) (ios_base&))
       ^
/usr/include/c++/5/ostream:127:7: note:   no known conversion for argument 1 from '' to 'std::ios_base& (*)(std::ios_base&)'
/usr/include/c++/5/ostream:166:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long int) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(long __n)
       ^
/usr/include/c++/5/ostream:166:7: note:   no known conversion for argument 1 from '' to 'long int'
/usr/include/c++/5/ostream:170:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long unsigned int) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(unsigned long __n)
       ^
/usr/include/c++/5/ostream:170:7: note:   no known conversion for argument 1 from '' to 'long unsigned int'
/usr/include/c++/5/ostream:174:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(bool) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(bool __n)
       ^
/usr/include/c++/5/ostream:174:7: note:   no known conversion for argument 1 from '' to 'bool'
In file included from /usr/include/c++/5/ostream:638:0,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:1:
/usr/include/c++/5/bits/ostream.tcc:91:5: note: candidate: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(short int) [with _CharT = char; _Traits = std::char_traits]
     basic_ostream<_CharT, _Traits>::
     ^
/usr/include/c++/5/bits/ostream.tcc:91:5: note:   no known conversion for argument 1 from '' to 'short int'
In file included from /usr/include/c++/5/iostream:39:0,
                 from Main.cc:1:
/usr/include/c++/5/ostream:181:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(short unsigned int) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(unsigned short __n)
       ^
/usr/include/c++/5/ostream:181:7: note:   no known conversion for argument 1 from '' to 'short unsigned int'
In file included from /usr/include/c++/5/ostream:638:0,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:1:
/usr/include/c++/5/bits/ostream.tcc:105:5: note: candidate: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(int) [with _CharT = char; _Traits = std::char_traits]
     basic_ostream<_CharT, _Traits>::
     ^
/usr/include/c++/5/bits/ostream.tcc:105:5: note:   no known conversion for argument 1 from '' to 'int'
In file included from /usr/include/c++/5/iostream:39:0,
                 from Main.cc:1:
/usr/include/c++/5/ostream:192:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(unsigned int) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(unsigned int __n)
       ^
/usr/include/c++/5/ostream:192:7: note:   no known conversion for argument 1 from '' to 'unsigned int'
/usr/include/c++/5/ostream:201:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long int) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(long long __n)
       ^
/usr/include/c++/5/ostream:201:7: note:   no known conversion for argument 1 from '' to 'long long int'
/usr/include/c++/5/ostream:205:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long unsigned int) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(unsigned long long __n)
       ^
/usr/include/c++/5/ostream:205:7: note:   no known conversion for argument 1 from '' to 'long long unsigned int'
/usr/include/c++/5/ostream:220:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(double) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(double __f)
       ^
/usr/include/c++/5/ostream:220:7: note:   no known conversion for argument 1 from '' to 'double'
/usr/include/c++/5/ostream:224:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(float) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(float __f)
       ^
/usr/include/c++/5/ostream:224:7: note:   no known conversion for argument 1 from '' to 'float'
/usr/include/c++/5/ostream:232:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long double) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(long double __f)
       ^
/usr/include/c++/5/ostream:232:7: note:   no known conversion for argument 1 from '' to 'long double'
/usr/include/c++/5/ostream:245:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(const void*) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(const void* __p)
       ^
/usr/include/c++/5/ostream:245:7: note:   no known conversion for argument 1 from '' to 'const void*'
In file included from /usr/include/c++/5/ostream:638:0,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:1:
/usr/include/c++/5/bits/ostream.tcc:119:5: note: candidate: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf]
     basic_ostream<_CharT, _Traits>::
     ^
/usr/include/c++/5/bits/ostream.tcc:119:5: note:   no known conversion for argument 1 from '' to 'std::basic_ostream::__streambuf_type* {aka std::basic_streambuf*}'
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:17:11: note:   couldn't deduce template parameter '_Alloc'
     cout< 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:17:11: note:   cannot convert 'std::min' (type '') to type 'const std::error_code&'
     cout<& std::operator<<(std::basic_ostream<_CharT, _Traits>&, _CharT) [with _CharT = char; _Traits = std::char_traits]
     operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c)
     ^
/usr/include/c++/5/ostream:497:5: note:   no known conversion for argument 2 from '' to 'char'
/usr/include/c++/5/ostream:502:5: note: candidate: template 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:17:11: note:   cannot convert 'std::min' (type '') to type 'char'
     cout< 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:17:11: note:   cannot convert 'std::min' (type '') to type 'char'
     cout< 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:17:11: note:   cannot convert 'std::min' (type '') to type 'signed char'
     cout< 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:17:11: note:   cannot convert 'std::min' (type '') to type 'unsigned char'
     cout<& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const _CharT*) [with _CharT = char; _Traits = std::char_traits]
     operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s)
     ^
/usr/include/c++/5/ostream:539:5: note:   no known conversion for argument 2 from '' to 'const char*'
In file included from /usr/include/c++/5/ostream:638:0,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:1:
/usr/include/c++/5/bits/ostream.tcc:321:5: note: candidate: template 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:17:11: note:   cannot convert 'std::min' (type '') to type 'const char*'
     cout< 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:17:11: note:   cannot convert 'std::min' (type '') to type 'const char*'
     cout< 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:17:11: note:   cannot convert 'std::min' (type '') to type 'const signed char*'
     cout< 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:17:11: note:   cannot convert 'std::min' (type '') to type 'const unsigned char*'
     cout< 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:17:11: note:   couldn't deduce template parameter '_Tp'
     cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Resetiosflags)
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Resetiosflags __f)
     ^
/usr/include/c++/5/iomanip:79:5: note:   template argument deduction/substitution failed:
Main.cc:17:11: note:   cannot convert 'std::min' (type '') to type 'std::_Resetiosflags'
     cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Setiosflags)
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Setiosflags __f)
     ^
/usr/include/c++/5/iomanip:109:5: note:   template argument deduction/substitution failed:
Main.cc:17:11: note:   cannot convert 'std::min' (type '') to type 'std::_Setiosflags'
     cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Setbase)
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Setbase __f)
     ^
/usr/include/c++/5/iomanip:143:5: note:   template argument deduction/substitution failed:
Main.cc:17:11: note:   cannot convert 'std::min' (type '') to type 'std::_Setbase'
     cout<& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Setfill<_CharT>) [with _CharT = char; _Traits = std::char_traits]
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Setfill<_CharT> __f)
     ^
/usr/include/c++/5/iomanip:178:5: note:   no known conversion for argument 2 from '' to 'std::_Setfill'
/usr/include/c++/5/iomanip:208:5: note: candidate: template std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Setprecision)
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Setprecision __f)
     ^
/usr/include/c++/5/iomanip:208:5: note:   template argument deduction/substitution failed:
Main.cc:17:11: note:   cannot convert 'std::min' (type '') to type 'std::_Setprecision'
     cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Setw)
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Setw __f)
     ^
/usr/include/c++/5/iomanip:238:5: note:   template argument deduction/substitution failed:
Main.cc:17:11: note:   cannot convert 'std::min' (type '') to type 'std::_Setw'
     cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Put_money<_MoneyT>)
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Put_money<_MoneyT> __f)
     ^
/usr/include/c++/5/iomanip:311:5: note:   template argument deduction/substitution failed:
Main.cc:17:11: note:   couldn't deduce template parameter '_MoneyT'
     cout<& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Put_time<_CharT>) [with _CharT = char; _Traits = std::char_traits]
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Put_time<_CharT> __f)
     ^
/usr/include/c++/5/iomanip:363:5: note:   no known conversion for argument 2 from '' to 'std::_Put_time'