Compilare: user.cpp: In function ‘void ExtendCycle()’: user.cpp:90:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < ciclu.size(); ++i) ^ user.cpp:92:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < C.size(); ++i) ^ user.cpp:97:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0; j < ciclu.size(); ++j) ^ user.cpp:122:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i + 1 < ciclu.size() && !gasit; ++i) ^ user.cpp: In function ‘void Afisare()’: user.cpp:209:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < ciclu.size(); ++i) ^