Compilare: main.cpp: In function 'void add_trie(TrieNode*, int, int, int, int)': main.cpp:35:31: warning: suggest parentheses around assignment used as truth value [-Wparentheses] if(nod->next[current]=nullptr) ^ main.cpp: In function 'void query(int, int, int)': main.cpp:106:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<noduri.size();i++) ~^~~~~~~~~~~~~~ main.cpp:122:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<noduri.size();i++) ~^~~~~~~~~~~~~~