Eroare de compilare: main.cpp: In function 'int main()': main.cpp:33:138: error: no matching function for call to 'abs(const char [4])' 33 | A(a.x),A(a.y),A(b.x),A(b.y),A(c.x),A(c.y),A(d.x),A(d.y),G<<(abs(D(a,b,d))+abs(D(a,c,d))+abs(D(b,c,d)==abs(D(a,b,c))?"DA\n":"NU\n"); | ^ In file included from /usr/include/c++/10/bits/std_abs.h:38, from /usr/include/c++/10/cmath:47, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from main.cpp:1: /usr/include/stdlib.h:840:12: note: candidate: 'int abs(int)' (near match) 840 | extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur; | ^~~ /usr/include/stdlib.h:840:12: note: conversion of argument 1 would be ill-formed: main.cpp:33:124: error: invalid conversion from 'const char*' to 'int' [-fpermissive] 33 | A(a.x),A(a.y),A(b.x),A(b.y),A(c.x),A(c.y),A(d.x),A(d.y),G<<(abs(D(a,b,d))+abs(D(a,c,d))+abs(D(b,c,d)==abs(D(a,b,c))?"DA\n":"NU\n"); | ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~ | | | const char* In file included from /usr/include/c++/10/valarray:603, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from main.cpp:1: /usr/include/c++/10/bits/valarray_after.h:445:5: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_UnClos<std::_Abs, std::_ValArray, _Tp>, _Tp> std::abs(const std::valarray<_Tp>&)' 445 | _DEFINE_EXPR_UNARY_FUNCTION(abs, _Abs) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/bits/valarray_after.h:445:5: note: template argument deduction/substitution failed: main.cpp:33:138: note: mismatched types 'const std::valarray<_Tp>' and 'const char [4]' 33 | A(a.x),A(a.y),A(b.x),A(b.y),A(c.x),A(c.y),A(d.x),A(d.y),G<<(abs(D(a,b,d))+abs(D(a,c,d))+abs(D(b,c,d)==abs(D(a,b,c))?"DA\n":"NU\n"); | ^ In file included from /usr/include/c++/10/valarray:603, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from main.cpp:1: /usr/include/c++/10/bits/valarray_after.h:445:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_UnClos<std::_Abs, std::_Expr, _Dom>, typename _Dom::value_type> std::abs(const std::_Expr<_Dom1, typename _Dom1::value_type>&)' 445 | _DEFINE_EXPR_UNARY_FUNCTION(abs, _Abs) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/bits/valarray_after.h:445:5: note: template argument deduction/substitution failed: main.cpp:33:138: note: mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'const char [4]' 33 | A(a.x),A(a.y),A(b.x),A(b.y),A(c.x),A(c.y),A(d.x),A(d.y),G<<(abs(D(a,b,d))+abs(D(a,c,d))+abs(D(b,c,d)==abs(D(a,b,c))?"DA\n":"NU\n"); | ^ In file included from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from main.cpp:1: /usr/include/c++/10/complex:625:5: note: candidate: 'template<class _Tp> _Tp std::abs(const std::complex<_Tp>&)' 625 | abs(const complex<_Tp>& __z) { return __complex_abs(__z.__rep()); } | ^~~ /usr/include/c++/10/complex:625:5: note: template argument deduction/substitution failed: main.cpp:33:138: note: mismatched types 'const std::complex<_Tp>' and 'const char [4]' 33 | A(a.x),A(a.y),A(b.x),A(b.y),A(c.x),A(c.y),A(d.x),A(d.y),G<<(abs(D(a,b,d))+abs(D(a,c,d))+abs(D(b,c,d)==abs(D(a,b,c))?"DA\n":"NU\n"); | ^ In file included from /usr/include/c++/10/cmath:47, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from main.cpp:1: Non zero exit status: 1