Compilare: user.cpp: In function ‘int main()’: user.cpp:28:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (pos < w.size()) ^ user.cpp:49:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (m + i < s.size()) ^ user.cpp:55:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (i == w.size() - 1) ^ user.cpp:18:9: warning: unused variable ‘rcount’ [-Wunused-variable] int rcount = 0; ^