Compilare: main.cpp: In constructor 'IntParser::IntParser(const char*, const char*)': main.cpp:58:18: warning: 'IntParser::m_current' will be initialized after [-Wreorder] const char * m_current; ^~~~~~~~~ main.cpp:57:42: warning: 'const char* const IntParser::m_pend' [-Wreorder] const char * const m_pbegin, * const m_pend; ^~~~~~ main.cpp:36:5: warning: when initialized here [-Wreorder] IntParser(const char *pbegin, const char *pend): m_pbegin(pbegin), m_current(pbegin), m_pend(pend) {} ^~~~~~~~~ main.cpp: In function 'void dfs(int)': main.cpp:77:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < neighbours[x].size(); i++) ~~^~~~~~~~~~~~~~~~~~~~~~