Online Judge
| Run ID | 作者 | 问题 | 语言 | 测评结果 | Time | Memory | 代码长度 | 提交时间 |
|---|---|---|---|---|---|---|---|---|
| 78247 | 申明宇 | 字符串中最大的数字 | C++ | Compile Error | 0 MS | 0 KB | 157 | 2024-06-16 18:28:09 |
Tests(0/0):
Code:
#include<iostream> #include<cstring> using namespace std; int main(){ int a[101],o=0; cin>>a; o=string(a); cout<<o; return 0; }
Run Info:
Main.cc: In function 'int main()':
Main.cc:7:8: error: no match for 'operator>>' (operand types are 'std::istream {aka std::basic_istream}' and 'int [101]')
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:7:10: warning: the address of 'a' will always evaluate as 'true' [-Waddress]
cin>>a;
^
Main.cc:7:10: 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:7:10: error: invalid conversion from 'int*' to 'short int' [-fpermissive]
cin>>a;
^
Main.cc:7:10: 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:7:10: error: invalid conversion from 'int*' to 'short unsigned int' [-fpermissive]
cin>>a;
^
Main.cc:7:10: 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:7:10: error: invalid conversion from 'int*' to 'int' [-fpermissive]
cin>>a;
^
Main.cc:7:10: 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:7:10: error: invalid conversion from 'int*' to 'unsigned int' [-fpermissive]
cin>>a;
^
Main.cc:7:10: 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:7:10: error: invalid conversion from 'int*' to 'long int' [-fpermissive]
cin>>a;
^
Main.cc:7:10: 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:7:10: error: invalid conversion from 'int*' to 'long unsigned int' [-fpermissive]
cin>>a;
^
Main.cc:7:10: 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:7:10: error: invalid conversion from 'int*' to 'long long int' [-fpermissive]
cin>>a;
^
Main.cc:7:10: 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:7:10: error: invalid conversion from 'int*' to 'long long unsigned int' [-fpermissive]
cin>>a;
^
Main.cc:7:10: 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:7:10: 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 'int [101]' 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 'int [101]' 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 'int [101]' 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 'int [101]' 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 'int [101]' 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 'int [101]' 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 'int [101]' 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:7:10: note: mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'int [101]'
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:7:10: note: deduced conflicting types for parameter '_CharT2' ('char' and '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:7:10: note: deduced conflicting types for parameter '_CharT' ('char' and 'int [101]')
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:7:10: note: cannot convert 'a' (type 'int [101]') 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:7:10: note: cannot convert 'a' (type 'int [101]') 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:7:10: note: cannot convert 'a' (type 'int [101]') 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:7:10: note: cannot convert 'a' (type 'int [101]') 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 = int [101]]
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:7:10: error: cannot bind 'std::istream {aka std::basic_istream}' lvalue to 'std::basic_istream&&'
cin>>a;
^
Main.cc:8:15: error: no matching function for call to 'std::__cxx11::basic_string::basic_string(int [101])'
o=string(a);
^
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:534:9: note: candidate: template std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(_InputIterator, _InputIterator, const _Alloc&)
basic_string(_InputIterator __beg, _InputIterator __end,
^
/usr/include/c++/5/bits/basic_string.h:534:9: note: template argument deduction/substitution failed:
Main.cc:8:15: note: candidate expects 3 arguments, 1 provided
o=string(a);
^
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:511:7: note: candidate: std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, const _Alloc&) [with _CharT = char; _Traits = std::char_traits; _Alloc = std::allocator]
basic_string(basic_string&& __str, const _Alloc& __a)
^
/usr/include/c++/5/bits/basic_string.h:511:7: note: candidate expects 2 arguments, 1 provided
/usr/include/c++/5/bits/basic_string.h:507:7: note: candidate: std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _Alloc&) [with _CharT = char; _Traits = std::char_traits; _Alloc = std::allocator]
basic_string(const basic_string& __str, const _Alloc& __a)
^
/usr/include/c++/5/bits/basic_string.h:507:7: note: candidate expects 2 arguments, 1 provided
/usr/include/c++/5/bits/basic_string.h:503:7: note: candidate: std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::initializer_list<_Tp>, const _Alloc&) [with _CharT = char; _Traits = std::char_traits; _Alloc = std::allocator]
basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
^
/usr/include/c++/5/bits/basic_string.h:503:7: note: no known conversion for argument 1 from 'int [101]' to 'std::initializer_list'
/usr/include/c++/5/bits/basic_string.h:476:7: note: candidate: std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = char; _Traits = std::char_traits; _Alloc = std::allocator]
basic_string(basic_string&& __str) noexcept
^
/usr/include/c++/5/bits/basic_string.h:476:7: note: no known conversion for argument 1 from 'int [101]' to 'std::__cxx11::basic_string&&'
/usr/include/c++/5/bits/basic_string.h:464:7: note: candidate: std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type, _CharT, const _Alloc&) [with _CharT = char; _Traits = std::char_traits; _Alloc = std::allocator; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type = long unsigned int]
basic_string(size_type __n, _CharT __c, const _Alloc& __a = _Alloc())
^
/usr/include/c++/5/bits/basic_string.h:464:7: note: candidate expects 3 arguments, 1 provided
/usr/include/c++/5/bits/basic_string.h:454:7: note: candidate: std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _CharT*, const _Alloc&) [with _CharT = char; _Traits = std::char_traits; _Alloc = std::allocator]
basic_string(const _CharT* __s, const _Alloc& __a = _Alloc())
^
/usr/include/c++/5/bits/basic_string.h:454:7: note: no known conversion for argument 1 from 'int [101]' to 'const char*'
/usr/include/c++/5/bits/basic_string.h:444:7: note: candidate: std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _CharT*, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type, const _Alloc&) [with _CharT = char; _Traits = std::char_traits; _Alloc = std::allocator; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type = long unsigned int]
basic_string(const _CharT* __s, size_type __n,
^
/usr/include/c++/5/bits/basic_string.h:444:7: note: candidate expects 3 arguments, 1 provided
/usr/include/c++/5/bits/basic_string.h:426:7: note: candidate: std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type, const _Alloc&) [with _CharT = char; _Traits = std::char_traits; _Alloc = std::allocator; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type = long unsigned int]
basic_string(const basic_string& __str, size_type __pos,
^
/usr/include/c++/5/bits/basic_string.h:426:7: note: candidate expects 4 arguments, 1 provided
/usr/include/c++/5/bits/basic_string.h:410:7: note: candidate: std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type) [with _CharT = char; _Traits = std::char_traits; _Alloc = std::allocator; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type = long unsigned int]
basic_string(const basic_string& __str, size_type __pos,
^
/usr/include/c++/5/bits/basic_string.h:410:7: note: candidate expects 3 arguments, 1 provided
/usr/include/c++/5/bits/basic_string.h:398:7: note: candidate: std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) [with _CharT = char; _Traits = std::char_traits; _Alloc = std::allocator]
basic_string(const basic_string& __str)
^
/usr/include/c++/5/bits/basic_string.h:398:7: note: no known conversion for argument 1 from 'int [101]' to 'const std::__cxx11::basic_string&'
/usr/include/c++/5/bits/basic_string.h:390:7: note: candidate: std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _Alloc&) [with _CharT = char; _Traits = std::char_traits; _Alloc = std::allocator]
basic_string(const _Alloc& __a)
^
/usr/include/c++/5/bits/basic_string.h:390:7: note: no known conversion for argument 1 from 'int [101]' to 'const std::allocator&'
/usr/include/c++/5/bits/basic_string.h:379:7: note: candidate: std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string() [with _CharT = char; _Traits = std::char_traits; _Alloc = std::allocator]
basic_string()
^
/usr/include/c++/5/bits/basic_string.h:379:7: note: candidate expects 0 arguments, 1 provided