Compilare: main.cpp: In function 'int main()': main.cpp:34:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j <= i && s.size() > q) { ~~~~~~~~~^~~ main.cpp:53:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j <= i && s.size() >= p) { ~~~~~~~~~^~~~ main.cpp:60:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(s.size() < p && j > 1) { ~~~~~~~~~^~~ main.cpp:67:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(s.size() == p) ~~~~~~~~~^~~~