Compilare: user.cpp: In function ‘bool Corect()’: user.cpp:47:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < graf[pVerif].size(); i++) { ~~^~~~~~~~~~~~~~~~~~~~~ user.cpp:24:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j; ^ user.cpp: In function ‘int main()’: user.cpp:65:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j; ^