Eroare de compilare: main.cpp: In function 'int main()': main.cpp:46:47: error: call of overloaded 'abs(std::mersenne_twister_engine<long unsigned int, 32, 624, 397, 31, 2567483615, 11, 4294967295, 7, 2636928640, 15, 4022730752, 18, 1812433253>::result_type)' is ambiguous 46 | tr=mer(tr,new nya{&nil,&nil,z,abs(mt()),1,z}); | ^ In file included from /usr/include/c++/10/cstdlib:75, from /usr/include/c++/10/ext/string_conversions.h:41, from /usr/include/c++/10/bits/basic_string.h:6545, from /usr/include/c++/10/string:55, from /usr/include/c++/10/bits/locale_classes.h:40, from /usr/include/c++/10/bits/ios_base.h:41, from /usr/include/c++/10/ios:42, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/fstream:38, from main.cpp:1: /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/ext/string_conversions.h:41, from /usr/include/c++/10/bits/basic_string.h:6545, from /usr/include/c++/10/string:55, from /usr/include/c++/10/bits/locale_classes.h:40, from /usr/include/c++/10/bits/ios_base.h:41, from /usr/include/c++/10/ios:42, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/fstream:38, from main.cpp:1: /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:46:52: error: could not convert '{(& nil), (& nil), z, <expression error>, 1, z}' from '<brace-enclosed initializer list>' to 'nya' 46 | tr=mer(tr,new nya{&nil,&nil,z,abs(mt()),1,z}); | ^ | | | <brace-enclosed initializer list> Non zero exit status: 1