Compilare: main.cpp: In function 'int main()': main.cpp:30:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 2; i < pattern.size(); i++) ~~^~~~~~~~~~~~~~~~ main.cpp:42:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i < text.size(); i++) ~~^~~~~~~~~~~~~ main.cpp:48:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(lc == pattern.size() - 1) ~~~^~~~~~~~~~~~~~~~~~~~~