Compilare: user.cpp: In function ‘void kmp()’: user.cpp:11:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=1;i<s.size();++i) ^ user.cpp: In function ‘int main()’: user.cpp:29:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<s.size();++i) ^ user.cpp:7:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] #define minim(a,b) ((a < b) ? a : b) ^ user.cpp:33:20: note: in expansion of macro ‘minim’ for (i=length+1;i<minim(V.size(),1000);++i) ^