Compilare: main.cpp: In function 'int main()': main.cpp:69:10: warning: variable 'ok' set but not used [-Wunused-but-set-variable] 69 | bool ok; | ^~ main.cpp: In constructor 'trie::trie()': main.cpp:13:20: warning: iteration 25 invokes undefined behavior [-Waggressive-loop-optimizations] 13 | leg[i] = nullptr; | ~~~~~~~^~~~~~~~~ main.cpp:12:22: note: within this loop 12 | for(int i=1;i<=26;i++) | ~^~~~