Compilare: main.cpp: In function 'int arie(int, int, int)': main.cpp:11:15: warning: unused variable 'a' [-Wunused-variable] static int a,amx=-1,n,i,j,k,st[1001],c,a1; ^ main.cpp: In function 'int main()': main.cpp:52:13: warning: unused variable 'ii' [-Wunused-variable] int i,j,ii,inc,k,nr1,sf,amax=-1,a1; ^~ main.cpp:52:20: warning: unused variable 'k' [-Wunused-variable] int i,j,ii,inc,k,nr1,sf,amax=-1,a1; ^ main.cpp: At global scope: main.cpp:11:15: warning: 'a' defined but not used [-Wunused-variable] static int a,amx=-1,n,i,j,k,st[1001],c,a1; ^