Compilare: user.cpp: In function ‘void preprocess()’: user.cpp:16:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i < p.size()) { ^ user.cpp: In function ‘void kmp()’: user.cpp:24:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i < t.size()) { ^ user.cpp:27:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j == p.size()) { ^ user.cpp: In function ‘int main()’: user.cpp:47:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<sol.size(); i++) g<<sol[i]<<" "; g<<"\n"; ^