Compilare: user.cpp: In function ‘void Read()’: user.cpp:47:21: warning: unused variable ‘value’ [-Wunused-variable] int x=0,y=0,value=0; ^ user.cpp: In function ‘void Eliminate()’: user.cpp:91:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<Array.size();i++) ^ user.cpp:97:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Array.size();i++) ^ user.cpp:90:9: warning: unused variable ‘length’ [-Wunused-variable] int length=Array.size(); ^