针对你遇到的“undefined reference to std::istream::operator>>(int&)”错误,这通常是由于编译器在链接阶段未能找到std::istream类的operator>>成员函数的定义。这个问题可能由多种原因引起,以下是一些可能的解决步骤: 确认编译器和环境配置正确: 确保你使用的编译器支持C++标准库,并且环境配...
hello.cpp:(.text._ZNSt16istream_iteratorISscSt11char_traitsIcEiE7_M_readEv[std::istream_iterator<std::basic_string<char, std::char_traits<char>, std::allocator<char>>,char, std::char_traits<char>,int>::_M_read()]+0x29): undefined reference to `std::basic_ios<char, std::char_...
to 'std::istream::ignore(long)' ../gcc-4.8.1/libstdc++-v3/src/c++98/istream.cc:521: error: undefined reference to 'std::basic_istream<wchar_t, std::char_traits<wchar_t> >::ignore(long)' Build failed with system cloog/isl (version 0.18.0 and 0.11.1), when making cc1 in ./...
编译时出现的问题 liboctomap.so: undefined reference to `std::basic_istream<char, std::char_traits<char> >& std::operator>><char, std::char_traits<char>, std::allocator<char> >(std::basic_istream<char, std::char_traits<char> >&, std::__cxx11::basic_string<char, std::char_tra...
`std::cout' /tmp/ccO5zfdR.o(.text+0x51): undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::operator<< <std::char_traits<char> >(std::basic_ostream<char,std::char_traits<char> >&, char const*)' ...
(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&)' ../lib/libreference_data_driver.so: undefined reference to `std::basic_istream<char, std::char_traits<char> >& std::getline<char, std::char_traits<char>, std::allocator<char> >(std::basic_...
undefined reference to `cin' num1.cpp:(.text+0x41): undefined reference to `istream::operator>>(int &)' /tmp/ccmz5SRA.o: In function `WriteAnswer(int)': num1.cpp:(.text+0x70): undefined reference to `endl(ostream &)' num1.cpp:(.text+0x8c): undefined reference to `cout' num...
(char const*)' /home/programs/bioinformatics/freebayes/SeqLib/src/GenomicRegion.cpp:56: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::operator=(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> ...
std::cout << "d = " << d << std::endl; // safe? > return 0; } > I may not be able to predict what will print out, but is there any chance that the program can crash because of those lines? You're ok. The *value* of the variable i may well be undefined, but i is...
hello.cpp:(.text+0x1a3): undefined reference to `std::ios_base::Init::~Init()' hello.o: In function `std::istream_iterator<std::basic_string<char, std::char_traits<char>, std::allocator<char>>,char, std::char_traits<char>,int>::~istream_iterator()': ...