Compilare: user.cpp: In function ‘int main()’: user.cpp:88:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(k >= ciclu[cicli[i]].size()) ^ user.cpp:91:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0; j < ciclu[cicli[i]].size()-1; j++) ^ user.cpp:99:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(k != ciclu[cicli[i]].size()-1) ^