Compilare: user.cpp: In function ‘int precalcSP(int)’: user.cpp:60:13: warning: variable ‘x’ set but not used [-Wunused-but-set-variable] int x; ^ user.cpp: In function ‘void SolveTask2()’: user.cpp:136:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < G[Conf[i]].size(); j++) ^ user.cpp:153:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < G[Conf[i]].size(); j++) ^ user.cpp:156:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k = 0; k < G[conf].size(); k++) ^ user.cpp:179:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < G[Conf[i]].size(); j++) ^ user.cpp: In function ‘int precalcSP(int)’: user.cpp:93:1: warning: control reaches end of non-void function [-Wreturn-type] } ^