Compilare: user.cpp: In constructor ‘Friend::Friend(int, int, int)’: user.cpp:12:6: warning: ‘Friend::m_Ord’ will be initialized after [-Wreorder] int m_Ord; ^ user.cpp:11:6: warning: ‘int Friend::m_Diff’ [-Wreorder] int m_Diff; ^ user.cpp:8:2: warning: when initialized here [-Wreorder] Friend(int a, int b, int ord) : m_A(a), m_B(b), m_Ord(ord), m_Diff(b - a){} ^ user.cpp: In function ‘bool CalculateOption(int, int, std::vector<Friend>&, std::vector<Result>&)’: user.cpp:37:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < friends.size() && litersConsumed < liters; i++) ^ user.cpp:64:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( ; i < friends.size(); i++) ^ user.cpp: In function ‘int main()’: user.cpp:98:6: warning: unused variable ‘minTime’ [-Wunused-variable] int minTime = 1; ^