Compilare: main.cpp: In member function 'void INITHLD::initareanothers(int, int)': main.cpp:94:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<tree[node].size(); i++) { ~^~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void INITHLD::initchain(int, int, int)': main.cpp:116:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0,child; i<tree[node].size(); i++) { ~^~~~~~~~~~~~~~~~~~ main.cpp:127:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0,child; i<tree[node].size(); i++) { ~^~~~~~~~~~~~~~~~~~