Compilare: main.cpp: In function 'bool Check(int, int)': main.cpp:26:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < one.size(); ++i) ~~^~~~~~~~~~~~ main.cpp:28:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < two.size(); ++i) ~~^~~~~~~~~~~~ main.cpp:32:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j = 0; j < one.size(); ++j) ~~^~~~~~~~~~~~ main.cpp:39:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j = 0; j < two.size(); ++j) ~~^~~~~~~~~~~~ main.cpp:53:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < one.size(); ++i) ~~^~~~~~~~~~~~ main.cpp:56:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j = 0; j < two.size(); ++j) ~~^~~~~~~~~~~~