Compilare: user.cpp: In function ‘void solve()’: user.cpp:69:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (hmin[i]<=h) ^ user.cpp:56:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,nr,m1,m2,ind; ^ user.cpp:56:16: warning: unused variable ‘m1’ [-Wunused-variable] int i,j,nr,m1,m2,ind; ^ user.cpp:56:19: warning: unused variable ‘m2’ [-Wunused-variable] int i,j,nr,m1,m2,ind; ^ user.cpp:56:22: warning: unused variable ‘ind’ [-Wunused-variable] int i,j,nr,m1,m2,ind; ^ user.cpp:64:16: warning: unused variable ‘y’ [-Wunused-variable] int x[100],y[100]; ^