Compilare: user.cpp: In function ‘bool CanPaint(int, int)’: user.cpp:37:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < node[nod].chain.size(); i ++) ^ user.cpp: In function ‘void Paint(int, int)’: user.cpp:58:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < node[nod].chain.size(); i ++) ^ user.cpp: In function ‘void Release(int)’: user.cpp:76:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < node[nod].chain.size(); i ++) ^ user.cpp: In function ‘void bkt(int)’: user.cpp:92:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz == v.size()) ^ user.cpp: In function ‘int main()’: user.cpp:161:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i <= v.size(); i ++) ^