Compilare: user.cpp: In function ‘int main()’: user.cpp:16:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (q = 1; q < strlen(s); ++q) { ^ user.cpp:27:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < strlen(p); ++i) { ^ user.cpp:13:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%s%s", s, p); ^