Compilare: main.cpp: In function 'void normalize(int, int)': main.cpp:24:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < temp.size(); i++) { ~~^~~~~~~~~~~~~ main.cpp: In function 'bool pairup(int)': main.cpp:39:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int h = 0; h < g[node].size(); h++){ ~~^~~~~~~~~~~~~~~~ main.cpp:47:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int h = 0; h < g[node].size(); h++){ ~~^~~~~~~~~~~~~~~~