Compilare: user.cpp: In function ‘int main()’: user.cpp:15:11: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] fin>>S+1; ^ user.cpp:13:17: warning: variable ‘l0’ set but not used [-Wunused-but-set-variable] int i,j,n,l,l0,l1,k,c,a,sol=0,k1; ^ user.cpp:13:20: warning: variable ‘l1’ set but not used [-Wunused-but-set-variable] int i,j,n,l,l0,l1,k,c,a,sol=0,k1; ^