Compilare: In file included from /usr/include/c++/12.2.1/algorithm:60, from main.cpp:1: In function 'constexpr const _Tp& std::max(const _Tp&, const _Tp&) [with _Tp = unsigned int]', inlined from 'void {anonymous}::build() [with unsigned int niv = 3]' at main.cpp:16:38: /usr/include/c++/12.2.1/bits/stl_algobase.h:259:15: warning: iteration 1 invokes undefined behavior [-Waggressive-loop-optimizations] 259 | if (__a < __b) | ~~~~^~~~~ main.cpp: In function 'void {anonymous}::build() [with unsigned int niv = 3]': main.cpp:15:28: note: within this loop 15 | for (unsigned i = 0; i < niv; i += 2) | ^ In function 'constexpr const _Tp& std::max(const _Tp&, const _Tp&) [with _Tp = unsigned int]', inlined from 'void {anonymous}::build() [with unsigned int niv = 97]' at main.cpp:16:38: /usr/include/c++/12.2.1/bits/stl_algobase.h:259:15: warning: iteration 48 invokes undefined behavior [-Waggressive-loop-optimizations] 259 | if (__a < __b) | ~~~~^~~~~ main.cpp: In function 'void {anonymous}::build() [with unsigned int niv = 97]': main.cpp:15:28: note: within this loop 15 | for (unsigned i = 0; i < niv; i += 2) | ^ In function 'constexpr const _Tp& std::max(const _Tp&, const _Tp&) [with _Tp = unsigned int]', inlined from 'void {anonymous}::build() [with unsigned int niv = 195]' at main.cpp:16:38: /usr/include/c++/12.2.1/bits/stl_algobase.h:259:15: warning: iteration 97 invokes undefined behavior [-Waggressive-loop-optimizations] 259 | if (__a < __b) | ~~~~^~~~~ main.cpp: In function 'void {anonymous}::build() [with unsigned int niv = 195]': main.cpp:15:28: note: within this loop 15 | for (unsigned i = 0; i < niv; i += 2) | ^ In function 'constexpr const _Tp& std::max(const _Tp&, const _Tp&) [with _Tp = unsigned int]', inlined from 'void {anonymous}::build() [with unsigned int niv = 781]' at main.cpp:16:38: /usr/include/c++/12.2.1/bits/stl_algobase.h:259:15: warning: iteration 390 invokes undefined behavior [-Waggressive-loop-optimizations] 259 | if (__a < __b) | ~~~~^~~~~ main.cpp: In function 'void {anonymous}::build() [with unsigned int niv = 781]': main.cpp:15:28: note: within this loop 15 | for (unsigned i = 0; i < niv; i += 2) | ^ In function 'constexpr const _Tp& std::max(const _Tp&, const _Tp&) [with _Tp = unsigned int]', inlined from 'void {anonymous}::build() [with unsigned int niv = 3125]' at main.cpp:16:38: /usr/include/c++/12.2.1/bits/stl_algobase.h:259:15: warning: iteration 1562 invokes undefined behavior [-Waggressive-loop-optimizations] 259 | if (__a < __b) | ~~~~^~~~~ main.cpp: In function 'void {anonymous}::build() [with unsigned int niv = 3125]': main.cpp:15:28: note: within this loop 15 | for (unsigned i = 0; i < niv; i += 2) | ^ In function 'void {anonymous}::build() [with unsigned int niv = 195]', inlined from 'void {anonymous}::build() [with unsigned int niv = 390]' at main.cpp:17:23, inlined from 'void {anonymous}::build() [with unsigned int niv = 781]' at main.cpp:17:23,