Compilare: user.cpp: In function ‘int main()’: user.cpp:8:13: warning: unused variable ‘l’ [-Wunused-variable] { int i,j,l,w,s=0; ^ user.cpp:8:15: warning: unused variable ‘w’ [-Wunused-variable] { int i,j,l,w,s=0; ^ user.cpp:10:24: warning: unused variable ‘m’ [-Wunused-variable] float b[n+1],a1,a2,m=0,aux,c1; ^ user.cpp:18:23: warning: array subscript is above array bounds [-Warray-bounds] a2=(float)(a[2][i]); ^ user.cpp:35:19: warning: array subscript is above array bounds [-Warray-bounds] aux=a[2][i]; ^ user.cpp:36:23: warning: array subscript is above array bounds [-Warray-bounds] a[2][i]=a[2][j]; ^ user.cpp:36:15: warning: array subscript is above array bounds [-Warray-bounds] a[2][i]=a[2][j]; ^ user.cpp:37:15: warning: array subscript is above array bounds [-Warray-bounds] a[2][j]=aux; ^ user.cpp:45:18: warning: array subscript is above array bounds [-Warray-bounds] s=s+a[2][i]; ^