Compilare: user.cpp: In function ‘void potrivire()’: user.cpp:12:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=1;i<a.size();i++) ^ user.cpp: In function ‘void rezolvare()’: user.cpp:28:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<b.size();i++) ^ user.cpp:38:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (k==a.size()-1){solutii.push_back(i-k);} ^ user.cpp: In function ‘void afisare()’: user.cpp:47:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<solutii.size();i++) ^