Compilare: main.cpp: In function 'void dfs(trie*)': main.cpp:37:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<nod->v.size();++i){ ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:44:28: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%s\n",v+1); /// sirul mare ^ main.cpp:47:27: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d\n",&n); ^ main.cpp:49:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%s\n",s); ^