Compilare: user.cpp: In function ‘void buildT(int, int, int)’: user.cpp:28:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (p1 < Aint[left_son].size() && p2 < Aint[right_son].size()) { ^ user.cpp:28:72: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (p1 < Aint[left_son].size() && p2 < Aint[right_son].size()) { ^ user.cpp:42:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (p1 < Aint[left_son].size()) ^ user.cpp:44:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (p2 < Aint[right_son].size()) ^ user.cpp: In function ‘int binsearch1(int, int)’: user.cpp:56:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (pos < Aint[node].size() && Aint[node][pos].y < val) ^ user.cpp:63:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (sol >= Aint[node].size()) ^ user.cpp: In function ‘int binsearch2(int, int)’: user.cpp:75:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (pos < Aint[node].size() && Aint[node][pos].y <= val) ^ user.cpp:82:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (sol >= Aint[node].size()) ^