Compilare: user.cpp: In function ‘void update(int, int)’: user.cpp:20:17: warning: variable ‘y1’ set but not used [-Wunused-but-set-variable] int y0, x0, y1, x1, y2, x2; ^ user.cpp:20:21: warning: variable ‘x1’ set but not used [-Wunused-but-set-variable] int y0, x0, y1, x1, y2, x2; ^ user.cpp: In function ‘void rezolvare()’: user.cpp:53:21: warning: unused variable ‘i’ [-Wunused-variable] for (int l=min, i, j; l>0; l--) { ^