Eroare de compilare: main.cpp: In function 'bool cmp(point, point)': main.cpp:34:21: error: call of overloaded 'abs(double)' is ambiguous if(abs(a.x - b.x) < EPSILON) ^ In file included from /usr/include/c++/6/cstdlib:75:0, from /usr/include/c++/6/ext/string_conversions.h:41, from /usr/include/c++/6/bits/basic_string.h:5420, from /usr/include/c++/6/string:52, from /usr/include/c++/6/bits/locale_classes.h:40, from /usr/include/c++/6/bits/ios_base.h:41, from /usr/include/c++/6/ios:42, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/fstream:38, from main.cpp:1: /usr/include/stdlib.h:774:12: note: candidate: int abs(int) extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur; ^~~ In file included from /usr/include/c++/6/ext/string_conversions.h:41:0, from /usr/include/c++/6/bits/basic_string.h:5420, from /usr/include/c++/6/string:52, from /usr/include/c++/6/bits/locale_classes.h:40, from /usr/include/c++/6/bits/ios_base.h:41, from /usr/include/c++/6/ios:42, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/fstream:38, from main.cpp:1: /usr/include/c++/6/cstdlib:180:3: note: candidate: long long int std::abs(long long int) abs(long long __x) { return __builtin_llabs (__x); } ^~~ /usr/include/c++/6/cstdlib:172:3: note: candidate: long int std::abs(long int) abs(long __i) { return __builtin_labs(__i); } ^~~ main.cpp: In function 'void citire()': main.cpp:46:9: warning: unused variable 'pctmin' [-Wunused-variable] int pctmin = 0; ^~~~~~ main.cpp: In function 'void afisare()': main.cpp:79:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i<v1.size() - 1; i++) ~^~~~~~~~~~~~~~ main.cpp:83:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i<v2.size() - 1; i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'bool cmp(point, point)': main.cpp:36:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ Non zero exit status: 1