Compilare: user.cpp: In function ‘void Do()’: user.cpp:55:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < Div.size(); ++i ) ~~^~~~~~~~~~~~ user.cpp:56:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int j = i; j < Div.size(); ++j ) ~~^~~~~~~~~~~~ user.cpp: In function ‘void Print()’: user.cpp:76:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < Sol.size(); ++i ) ~~^~~~~~~~~~~~