Compilare: user.cpp: In function ‘void Solve()’: user.cpp:50:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Red.size();i++) ^ user.cpp:53:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Blue.size();i++) ^ user.cpp:28:20: warning: unused variable ‘start’ [-Wunused-variable] int p=1,move=1,start; ^