Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:153:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v[nod].size(); ++i) ~~^~~~~~~~~~~~~~~ main.cpp: In function 'void rezolvare()': main.cpp:168:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < euler.size(); ++i) ~~^~~~~~~~~~~~~~ main.cpp:171:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz == euler.size()) ~~~~^~~~~~~~~~~~~~~ main.cpp:191:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz2 == euler.size()) ~~~~~^~~~~~~~~~~~~~~ main.cpp: In member function 'char InParser::read_ch()': main.cpp:75:29: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, 4096, fin); ^