Compilare: user.cpp: In constructor ‘arie::arie(int, int, int, int, int)’: user.cpp:17:15: warning: ‘arie::i2’ will be initialized after [-Wreorder] int i1,j1,i2,j2,v; ^ user.cpp:17:12: warning: ‘int arie::j1’ [-Wreorder] int i1,j1,i2,j2,v; ^ user.cpp:13:5: warning: when initialized here [-Wreorder] arie(int a,int b,int c,int d,int V): i1(a),i2(c),j1(b),j2(d),v(V) ^ user.cpp: In function ‘int main()’: user.cpp:37:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<vx.size();i++) ^ user.cpp:39:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<vx.size()-1 && vx[i]==vx[i+1]) i++; ^ user.cpp:44:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<vy.size();i++) ^ user.cpp:46:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<vy.size()-1 && vy[i]==vy[i+1]) i++; ^