Compilare: user.cpp: In function ‘void table(std::string)’: user.cpp:20:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=2;j<p.size();j++) ^ user.cpp: In function ‘bool kmp(std::string, std::string)’: user.cpp:42:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<text.size();j++) ^ user.cpp:59:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(++cur==p.size())//if all all locations before index p.size() have been matched ^ user.cpp: In function ‘int main()’: user.cpp:96:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int y=0;y<p.size();y++) ^ user.cpp:97:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int z=0;z<p.size();z++) ^ user.cpp:110:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<text.size(); i++){ ^