Compilare: main.cpp: In function 'void DFS(trie*)': main.cpp:39:23: 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:47:24: warning: format '%s' expects argument of type 'char*', but argument 3 has type 'char (*)[1000001]' [-Wformat=] fscanf(in, "%s", &A); fscanf(in, "%d", &n); ^ main.cpp:49:28: warning: format '%s' expects argument of type 'char*', but argument 3 has type 'char (*)[10001]' [-Wformat=] fscanf(in, "%s", &s); ^ main.cpp:47:25: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%s", &A); fscanf(in, "%d", &n); ^ main.cpp:47:47: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%s", &A); fscanf(in, "%d", &n); ^ main.cpp:49:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%s", &s); ^