Compilare: main.cpp: In function 'int main()': main.cpp:121:45: warning: 'yp' may be used uninitialized [-Wmaybe-uninitialized] 121 | T[xd][yd] = '1', T[xt][yt] = '1', T[xp][yp] = '0'; | ^ main.cpp:105:27: note: 'yp' was declared here 105 | int xd, yd, xt, yt, xp, yp; | ^~ In file included from /usr/include/c++/12.2.1/string:53, from /usr/include/c++/12.2.1/bits/locale_classes.h:40, from /usr/include/c++/12.2.1/bits/ios_base.h:41, from /usr/include/c++/12.2.1/ios:42, from /usr/include/c++/12.2.1/istream:38, from /usr/include/c++/12.2.1/sstream:38, from /usr/include/c++/12.2.1/complex:45, from /usr/include/c++/12.2.1/ccomplex:39, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:54, from main.cpp:1: In member function 'constexpr std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::pointer std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_data() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]', inlined from 'constexpr std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::reference std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::operator[](size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' at /usr/include/c++/12.2.1/bits/basic_string.h:1224:16, inlined from 'int main()' at main.cpp:121:45: /usr/include/c++/12.2.1/bits/basic_string.h:234:28: warning: 'xp' may be used uninitialized [-Wmaybe-uninitialized] 234 | { return _M_dataplus._M_p; } | ^~~~ main.cpp: In function 'int main()': main.cpp:105:23: note: 'xp' was declared here 105 | int xd, yd, xt, yt, xp, yp; | ^~ main.cpp:121:28: warning: 'yt' may be used uninitialized [-Wmaybe-uninitialized] 121 | T[xd][yd] = '1', T[xt][yt] = '1', T[xp][yp] = '0'; | ^ main.cpp:105:19: note: 'yt' was declared here 105 | int xd, yd, xt, yt, xp, yp; | ^~ In member function 'constexpr std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::pointer std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_data() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]', inlined from 'constexpr std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::reference std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::operator[](size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' at /usr/include/c++/12.2.1/bits/basic_string.h:1224:16, inlined from 'int main()' at main.cpp:121:28: /usr/include/c++/12.2.1/bits/basic_string.h:234:28: warning: 'xt' may be used uninitialized [-Wmaybe-uninitialized] 234 | { return _M_dataplus._M_p; } | ^~~~ main.cpp: In function 'int main()': main.cpp:105:15: note: 'xt' was declared here 105 | int xd, yd, xt, yt, xp, yp; | ^~ main.cpp:123:21: warning: 'yd' may be used uninitialized [-Wmaybe-uninitialized] 123 | res = dist1[xd][yd]; | ~~~~~~~~~~~~^ main.cpp:105:11: note: 'yd' was declared here 105 | int xd, yd, xt, yt, xp, yp; | ^~ main.cpp:123:21: warning: 'xd' may be used uninitialized [-Wmaybe-uninitialized]