Borderou de evaluare (job #789490)

Eroare de compilare: main.cpp: In function 'int main()': main.cpp:11:20: error: no matching function for call to 'std::__cxx11::basic_string<char>::basic_string(int&)' 11 | s+=string(i); | ^ In file included from /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/string:54, from /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bitset:52, from /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/i686-pc-linux-gnu/bits/stdc++.h:52, from main.cpp:1: /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/basic_string.h:760:9: note: candidate: 'template<class _InputIterator, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(_InputIterator, _InputIterator, const _Alloc&) [with <template-parameter-2-2> = _InputIterator; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 760 | basic_string(_InputIterator __beg, _InputIterator __end, | ^~~~~~~~~~~~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/basic_string.h:760:9: note: template argument deduction/substitution failed: main.cpp:11:20: note: candidate expects 3 arguments, 1 provided 11 | s+=string(i); | ^ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/basic_string.h:716:7: 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<char>; _Alloc = std::allocator<char>]' 716 | basic_string(basic_string&& __str, const _Alloc& __a) | ^~~~~~~~~~~~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/basic_string.h:716:7: note: candidate expects 2 arguments, 1 provided /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/basic_string.h:711:7: 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<char>; _Alloc = std::allocator<char>]' 711 | basic_string(const basic_string& __str, const _Alloc& __a) | ^~~~~~~~~~~~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/basic_string.h:711:7: note: candidate expects 2 arguments, 1 provided /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/basic_string.h:706:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::initializer_list<_Tp>, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 706 | basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc()) | ^~~~~~~~~~~~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/basic_string.h:706:45: note: no known conversion for argument 1 from 'int' to 'std::initializer_list<char>' 706 | basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc()) | ~~~~~~~~~~~~~~~~~~~~~~~~~^~~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/basic_string.h:677:7: 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<char>; _Alloc = std::allocator<char>]' 677 | basic_string(basic_string&& __str) noexcept | ^~~~~~~~~~~~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/basic_string.h:677:35: note: no known conversion for argument 1 from 'int' to 'std::__cxx11::basic_string<char>&&' 677 | basic_string(basic_string&& __str) noexcept | ~~~~~~~~~~~~~~~^~~~~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/basic_string.h:664:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(size_type, _CharT, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = unsigned int]' 664 | basic_string(size_type __n, _CharT __c, const _Alloc& __a = _Alloc()) | ^~~~~~~~~~~~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/basic_string.h:664:7: note: candidate expects 3 arguments, 1 provided /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/basic_string.h:641:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _CharT*, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' (near match) 641 | basic_string(const _CharT* __s, const _Alloc& __a = _Alloc()) | ^~~~~~~~~~~~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/basic_string.h:641:7: note: conversion of argument 1 would be ill-formed: main.cpp:11:19: error: invalid conversion from 'int' to 'const char*' [-fpermissive] 11 | s+=string(i); | ^ | | | int /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/basic_string.h:619:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _CharT*, size_type, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = unsigned int]' 619 | basic_string(const _CharT* __s, size_type __n,