Compilare: user.cpp: In function ‘int solve()’: user.cpp:46:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < divi.size() && divi[i] <= 9; ++i) /// starea initiala ^ user.cpp:53:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < divi.size(); ++j) ^ user.cpp:56:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k = 0; k < divi.size() && divi[k] <= 9 ; ++k) ^