Compilare: user.cpp: In function ‘int del(Trie*, char*)’: user.cpp:71:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int q(Trie*, char*)’: user.cpp:76:19: warning: array subscript is below array bounds [-Warray-bounds] if(nod->fii[ch]) ^ user.cpp: In function ‘int main()’: user.cpp:76:19: warning: array subscript is below array bounds [-Warray-bounds] if(nod->fii[ch]) ^