Compilare: user.cpp: In function ‘int main()’: user.cpp:122:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(x=0;x<fin.size()-1;++x) ^ user.cpp:164:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<fin.size();++i) ^ user.cpp:21:11: warning: variable ‘m’ set but not used [-Wunused-but-set-variable] int P,m,i,j,B,x,y; ^ user.cpp:76:42: warning: ‘sz’ may be used uninitialized in this function [-Wmaybe-uninitialized] int BCsz = possibleBC.size()-1,a,sz; ^