Contactează autorul problemei: Eroare de compilare în evaluatorul problemei: main.cpp:12:20: error: 'double abs(double)' conflicts with a previous declaration 12 | double abs(double x) {return x > 0 ? x : -x;} | ^ In file included from /usr/include/c++/10/cstdlib:77, from /usr/include/c++/10/stdlib.h:36, from main.cpp:2: /usr/include/c++/10/bits/std_abs.h:71:3: note: previous declaration 'constexpr double std::abs(double)' 71 | abs(double __x) | ^~~ main.cpp: In function 'bool equal(double, double)': main.cpp:16:18: error: call of overloaded 'abs(double)' is ambiguous 16 | return abs(x - y) <= eps; | ^ In file included from /usr/include/c++/10/cstdlib:75, from /usr/include/c++/10/stdlib.h:36, from main.cpp:2: /usr/include/stdlib.h:840:12: note: candidate: 'int abs(int)' 840 | extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur; | ^~~ In file included from /usr/include/c++/10/cstdlib:77, from /usr/include/c++/10/stdlib.h:36, from main.cpp:2: /usr/include/c++/10/bits/std_abs.h:79:3: note: candidate: 'constexpr long double std::abs(long double)' 79 | abs(long double __x) | ^~~ /usr/include/c++/10/bits/std_abs.h:75:3: note: candidate: 'constexpr float std::abs(float)' 75 | abs(float __x) | ^~~ /usr/include/c++/10/bits/std_abs.h:71:3: note: candidate: 'constexpr double std::abs(double)' 71 | abs(double __x) | ^~~ /usr/include/c++/10/bits/std_abs.h:61:3: note: candidate: 'long long int std::abs(long long int)' 61 | abs(long long __x) { return __builtin_llabs (__x); } | ^~~ /usr/include/c++/10/bits/std_abs.h:56:3: note: candidate: 'long int std::abs(long int)' 56 | abs(long __i) { return __builtin_labs(__i); } | ^~~ main.cpp:12:8: note: candidate: 'double abs(double)' 12 | double abs(double x) {return x > 0 ? x : -x;} | ^~~ main.cpp: In function 'int main()': main.cpp:27:10: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings] 27 | result("Fisier ok lipsa!",0); | ^~~~~~~~~~~~~~~~~~ main.cpp:29:10: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings] 29 | result("Fisier ok corupt!",0); | ^~~~~~~~~~~~~~~~~~~ main.cpp:34:10: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings] 34 | result("Fisier de iesire lipsa!",0); | ^~~~~~~~~~~~~~~~~~~~~~~~~ Non zero exit status: 1