Eroare de compilare: main.cpp:16:25: error: 'double y1 [405]' redeclared as different kind of entity 16 | double x1[MAXN], y1[MAXN], x2[MAXN], y2[MAXN]; | ^ In file included from /usr/include/features.h:490, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/os_defines.h:39, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/c++config.h:655, from /usr/include/c++/12.2.1/iostream:38, from main.cpp:1: /usr/include/bits/mathcalls.h:224:1: note: previous declaration 'double y1(double)' 224 | __MATHCALL (y1,, (_Mdouble_)); | ^~~~~~~~~~ main.cpp: In function 'double distance(int, int)': main.cpp:26:46: warning: pointer to a function used in arithmetic [-Wpointer-arith] 26 | return sqrt(sqr(x1[i] - x2[j]) + sqr(y1[i] - y2[j])); | ^ main.cpp:26:48: error: invalid operands of types 'double(double) noexcept' and 'double' to binary 'operator-' 26 | return sqrt(sqr(x1[i] - x2[j]) + sqr(y1[i] - y2[j])); | ~~~~~ ^ ~~~~~ | | | | | double | double(double) noexcept main.cpp: In function 'int main()': main.cpp:114:29: warning: pointer to a function used in arithmetic [-Wpointer-arith] 114 | fin >> x1[i] >> y1[i]; | ^ main.cpp:114:22: error: no match for 'operator>>' (operand types are 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} and 'double(double) noexcept') 114 | fin >> x1[i] >> y1[i]; | ~~~~~~~~~~~~ ^~ ~~~~~ | | | | | double(double) noexcept | std::basic_istream<char>::__istream_type {aka std::basic_istream<char>} In file included from /usr/include/c++/12.2.1/iostream:40: /usr/include/c++/12.2.1/istream:120:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__istream_type& (*)(__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match) 120 | operator>>(__istream_type& (*__pf)(__istream_type&)) | ^~~~~~~~ /usr/include/c++/12.2.1/istream:120:7: note: conversion of argument 1 would be ill-formed: main.cpp:114:29: error: invalid conversion from 'double (*)(double) noexcept' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'} [-fpermissive] 114 | fin >> x1[i] >> y1[i]; | ~~~~^ | | | double (*)(double) noexcept /usr/include/c++/12.2.1/istream:124:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__ios_type& (*)(__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>; __ios_type = std::basic_ios<char>]' (near match) 124 | operator>>(__ios_type& (*__pf)(__ios_type&)) | ^~~~~~~~ /usr/include/c++/12.2.1/istream:124:7: note: conversion of argument 1 would be ill-formed: main.cpp:114:29: error: invalid conversion from 'double (*)(double) noexcept' to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'} [-fpermissive] 114 | fin >> x1[i] >> y1[i]; | ~~~~^ | | | double (*)(double) noexcept Non zero exit status: 1