Compilare: main.cpp: In function 'void rabin_karp()': main.cpp:27:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<pattern.length(); i++) ~^~~~~~~~~~~~~~~~~ main.cpp:39:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<pattern.length(); i++) ~^~~~~~~~~~~~~~~~~ main.cpp:51:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<text.length()-pattern.length()+1; i++) ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~