Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
124971 晏莞煜 字符串中最大的数字 C++ Compile Error 0 MS 0 KB 663 2025-07-13 09:16:51

Tests(0/0):

Code:

#include<iostream> #include<cstring> using namespace std; char a[100001],b[10001]; int main(){ //strcpy( , ) 将字符数组~复值给~ //strcat( , ) 字符数组拼接 //strcmp(a,b) a>b cout<<"1" a==b cout<<"0" a<b cout<<"-1"; /** cin>>a>>b; lena=strlen(a); ienb=strlen(b); if(lena>lenb){ cout<<a; }else{ if(lena<lenb){ cout<<b; }else{ int e=strcmp(a,b); if(e==1){ cout<<a; }else{ if(e==0){ cout<<"="; }else{ cout<<b; } } } }**/ long long a[9]; cin>>a; int y=a[0]; int e=strlen(a); for(int i=1;i<e;i++){ if(y<a[i]){ y=a[i]; } } cout<<y; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:31:5: error: no match for 'operator>>' (operand types are 'std::istream {aka std::basic_istream}' and 'long long int [9]')
  cin>>a;
     ^
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:168:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream] 
       operator>>(bool& __n)
       ^
/usr/include/c++/5/istream:168:7: note:   conversion of argument 1 would be ill-formed:
Main.cc:31:7: warning: the address of 'a' will always evaluate as 'true' [-Waddress]
  cin>>a;
       ^
Main.cc:31:7: error: invalid initialization of non-const reference of type 'bool&' from an rvalue of type 'bool'
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:172:7: note: candidate: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits] 
       operator>>(short& __n);
       ^
/usr/include/c++/5/istream:172:7: note:   conversion of argument 1 would be ill-formed:
Main.cc:31:7: error: invalid conversion from 'long long int*' to 'short int' [-fpermissive]
  cin>>a;
       ^
Main.cc:31:7: error: cannot bind rvalue '(short int)((long int)(& a))' to 'short int&'
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:175:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream] 
       operator>>(unsigned short& __n)
       ^
/usr/include/c++/5/istream:175:7: note:   conversion of argument 1 would be ill-formed:
Main.cc:31:7: error: invalid conversion from 'long long int*' to 'short unsigned int' [-fpermissive]
  cin>>a;
       ^
Main.cc:31:7: error: cannot bind rvalue '(short unsigned int)((long int)(& a))' to 'short unsigned int&'
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:179:7: note: candidate: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits] 
       operator>>(int& __n);
       ^
/usr/include/c++/5/istream:179:7: note:   conversion of argument 1 would be ill-formed:
Main.cc:31:7: error: invalid conversion from 'long long int*' to 'int' [-fpermissive]
  cin>>a;
       ^
Main.cc:31:7: error: cannot bind rvalue '(int)((long int)(& a))' to 'int&'
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:182:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream] 
       operator>>(unsigned int& __n)
       ^
/usr/include/c++/5/istream:182:7: note:   conversion of argument 1 would be ill-formed:
Main.cc:31:7: error: invalid conversion from 'long long int*' to 'unsigned int' [-fpermissive]
  cin>>a;
       ^
Main.cc:31:7: error: cannot bind rvalue '(unsigned int)((long int)(& a))' to 'unsigned int&'
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:186:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream] 
       operator>>(long& __n)
       ^
/usr/include/c++/5/istream:186:7: note:   conversion of argument 1 would be ill-formed:
Main.cc:31:7: error: invalid conversion from 'long long int*' to 'long int' [-fpermissive]
  cin>>a;
       ^
Main.cc:31:7: error: cannot bind rvalue '(long int)(& a)' to 'long int&'
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:190:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream] 
       operator>>(unsigned long& __n)
       ^
/usr/include/c++/5/istream:190:7: note:   conversion of argument 1 would be ill-formed:
Main.cc:31:7: error: invalid conversion from 'long long int*' to 'long unsigned int' [-fpermissive]
  cin>>a;
       ^
Main.cc:31:7: error: cannot bind rvalue '(long unsigned int)(& a)' to 'long unsigned int&'
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:195:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream] 
       operator>>(long long& __n)
       ^
/usr/include/c++/5/istream:195:7: note:   conversion of argument 1 would be ill-formed:
Main.cc:31:7: error: invalid conversion from 'long long int*' to 'long long int' [-fpermissive]
  cin>>a;
       ^
Main.cc:31:7: error: cannot bind rvalue '(long long int)(& a)' to 'long long int&'
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:199:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream] 
       operator>>(unsigned long long& __n)
       ^
/usr/include/c++/5/istream:199:7: note:   conversion of argument 1 would be ill-formed:
Main.cc:31:7: error: invalid conversion from 'long long int*' to 'long long unsigned int' [-fpermissive]
  cin>>a;
       ^
Main.cc:31:7: error: cannot bind rvalue '(long long unsigned int)(& a)' to 'long long unsigned int&'
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:235:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream] 
       operator>>(void*& __p)
       ^
/usr/include/c++/5/istream:235:7: note:   conversion of argument 1 would be ill-formed:
Main.cc:31:7: error: invalid initialization of non-const reference of type 'void*&' from an rvalue of type 'void*'
  cin>>a;
       ^
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:120:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__istream_type& (*)(std::basic_istream<_CharT, _Traits>::__istream_type&)) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream]
       operator>>(__istream_type& (*__pf)(__istream_type&))
       ^
/usr/include/c++/5/istream:120:7: note:   no known conversion for argument 1 from 'long long int [9]' to 'std::basic_istream::__istream_type& (*)(std::basic_istream::__istream_type&) {aka std::basic_istream& (*)(std::basic_istream&)}'
/usr/include/c++/5/istream:124:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__ios_type& (*)(std::basic_istream<_CharT, _Traits>::__ios_type&)) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream; std::basic_istream<_CharT, _Traits>::__ios_type = std::basic_ios]
       operator>>(__ios_type& (*__pf)(__ios_type&))
       ^
/usr/include/c++/5/istream:124:7: note:   no known conversion for argument 1 from 'long long int [9]' to 'std::basic_istream::__ios_type& (*)(std::basic_istream::__ios_type&) {aka std::basic_ios& (*)(std::basic_ios&)}'
/usr/include/c++/5/istream:131:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream]
       operator>>(ios_base& (*__pf)(ios_base&))
       ^
/usr/include/c++/5/istream:131:7: note:   no known conversion for argument 1 from 'long long int [9]' to 'std::ios_base& (*)(std::ios_base&)'
/usr/include/c++/5/istream:214:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream]
       operator>>(float& __f)
       ^
/usr/include/c++/5/istream:214:7: note:   no known conversion for argument 1 from 'long long int [9]' to 'float&'
/usr/include/c++/5/istream:218:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream]
       operator>>(double& __f)
       ^
/usr/include/c++/5/istream:218:7: note:   no known conversion for argument 1 from 'long long int [9]' to 'double&'
/usr/include/c++/5/istream:222:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream]
       operator>>(long double& __f)
       ^
/usr/include/c++/5/istream:222:7: note:   no known conversion for argument 1 from 'long long int [9]' to 'long double&'
/usr/include/c++/5/istream:259:7: note: candidate: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf]
       operator>>(__streambuf_type* __sb);
       ^
/usr/include/c++/5/istream:259:7: note:   no known conversion for argument 1 from 'long long int [9]' to 'std::basic_istream::__streambuf_type* {aka std::basic_streambuf*}'
In file included from /usr/include/c++/5/string:53:0,
                 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.tcc:1441:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator>>(basic_istream<_CharT, _Traits>& __in,
     ^
/usr/include/c++/5/bits/basic_string.tcc:1441:5: note:   template argument deduction/substitution failed:
Main.cc:31:7: note:   mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'long long int [9]'
  cin>>a;
       ^
In file included from /usr/include/c++/5/istream:934:0,
                 from /usr/include/c++/5/iostream:40,
                 from Main.cc:1:
/usr/include/c++/5/bits/istream.tcc:955:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT2*)
     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
     ^
/usr/include/c++/5/bits/istream.tcc:955:5: note:   template argument deduction/substitution failed:
Main.cc:31:7: note:   deduced conflicting types for parameter '_CharT2' ('char' and 'long long int')
  cin>>a;
       ^
In file included from /usr/include/c++/5/istream:934:0,
                 from /usr/include/c++/5/iostream:40,
                 from Main.cc:1:
/usr/include/c++/5/bits/istream.tcc:923:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT&)
     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
     ^
/usr/include/c++/5/bits/istream.tcc:923:5: note:   template argument deduction/substitution failed:
Main.cc:31:7: note:   deduced conflicting types for parameter '_CharT' ('char' and 'long long int [9]')
  cin>>a;
       ^
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:756:5: note: candidate: template std::basic_istream& std::operator>>(std::basic_istream&, unsigned char&)
     operator>>(basic_istream& __in, unsigned char& __c)
     ^
/usr/include/c++/5/istream:756:5: note:   template argument deduction/substitution failed:
Main.cc:31:7: note:   cannot convert 'a' (type 'long long int [9]') to type 'unsigned char&'
  cin>>a;
       ^
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:761:5: note: candidate: template std::basic_istream& std::operator>>(std::basic_istream&, signed char&)
     operator>>(basic_istream& __in, signed char& __c)
     ^
/usr/include/c++/5/istream:761:5: note:   template argument deduction/substitution failed:
Main.cc:31:7: note:   cannot convert 'a' (type 'long long int [9]') to type 'signed char&'
  cin>>a;
       ^
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:803:5: note: candidate: template std::basic_istream& std::operator>>(std::basic_istream&, unsigned char*)
     operator>>(basic_istream& __in, unsigned char* __s)
     ^
/usr/include/c++/5/istream:803:5: note:   template argument deduction/substitution failed:
Main.cc:31:7: note:   cannot convert 'a' (type 'long long int [9]') to type 'unsigned char*'
  cin>>a;
       ^
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:808:5: note: candidate: template std::basic_istream& std::operator>>(std::basic_istream&, signed char*)
     operator>>(basic_istream& __in, signed char* __s)
     ^
/usr/include/c++/5/istream:808:5: note:   template argument deduction/substitution failed:
Main.cc:31:7: note:   cannot convert 'a' (type 'long long int [9]') to type 'signed char*'
  cin>>a;
       ^
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:924:5: note: candidate: std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&&, _Tp&) [with _CharT = char; _Traits = std::char_traits; _Tp = long long int [9]] 
     operator>>(basic_istream<_CharT, _Traits>&& __is, _Tp& __x)
     ^
/usr/include/c++/5/istream:924:5: note:   conversion of argument 1 would be ill-formed:
Main.cc:31:7: error: cannot bind 'std::istream {aka std::basic_istream}' lvalue to 'std::basic_istream&&'
  cin>>a;
       ^
Main.cc:33:16: error: cannot convert 'long long int*' to 'const char*' for argument '1' to 'size_t strlen(const char*)'
  int e=strlen(a);
                ^