Compilare: main.cpp: In function 'int main()': main.cpp:43:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=pat.size()+1;i<txt.size();++i) ~^~~~~~~~~~~ main.cpp:44:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz[i]==pat.size()) main.cpp:51:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<sol.size();++i) ~^~~~~~~~~~~