Compilare: user.cpp: In function ‘int main()’: user.cpp:30:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<s.size()+R+10;i++) In[i]=Sf[i]=z[i]=0; ^ user.cpp:46:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<s.size();i++) ^ user.cpp:47:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (z[1+i+st.size()]==st.size()) In[i]=1; ^ user.cpp:63:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<s.size();i++) ^ user.cpp:64:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (z[1+i+dr.size()]==dr.size()) Sf[i]=1; ^