Compilare: user.cpp: In function ‘int main()’: user.cpp:58:6: warning: unused variable ‘v’ [-Wunused-variable] int v = strlen(s), fax = -1; ^ user.cpp:61:36: warning: unused variable ‘k’ [-Wunused-variable] int inc, sf, ii = 0, jj = 0, rar, k = 0, greed = 0; ^ user.cpp:61:43: warning: unused variable ‘greed’ [-Wunused-variable] int inc, sf, ii = 0, jj = 0, rar, k = 0, greed = 0; ^