Compilare: user.cpp: In function ‘int main()’: user.cpp:24:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<c.size();i++) ^ user.cpp:29:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(R<c.size()&&c[R]==c[R-L]) R++; ^ user.cpp:40:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(R<c.size()&&c[R]==c[R-L]) R++; ^ user.cpp:45:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i>=a.size()&&Z[i]>=a.size()) ^ user.cpp:45:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i>=a.size()&&Z[i]>=a.size()) ^ user.cpp:52:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<sol.size();i++) fout<<sol[i]<<" "; ^