Compilare: user.cpp: In function ‘void support(int)’: user.cpp:16:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < Graph[Node].size(); i++) ^ user.cpp: In function ‘bool hookUp(int)’: user.cpp:33:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < Graph[Node].size(); i++) ^ user.cpp:44:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < Graph[Node].size(); i++) ^ user.cpp: In function ‘void Write()’: user.cpp:102:33: warning: suggest parentheses around arithmetic in operand of ‘|’ [-Wparentheses] out << (supportRight[i] ^ 1 | ((supportLeft[i] ^ 1) << 1)) << '\n'; ^