Compilare: main.cpp: In function 'void calc_lps(std::__cxx11::string, int*)': main.cpp:14:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<pat.size();) ~^~~~~~~~~~~ main.cpp: In function 'void rez(std::__cxx11::string, std::__cxx11::string)': main.cpp:22:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0,j=0;i<st.size();){ ~^~~~~~~~~~ main.cpp:24:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j==pat.size()){ ~^~~~~~~~~~~~ main.cpp:27:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] } else if(i<st.size()&&st[i]!=pat[j]){ ~^~~~~~~~~~