Compilare: user.cpp: In function ‘void solve()’: user.cpp:55:33: warning: unused variable ‘num’ [-Wunused-variable] long lim = sqrt (n1), d, l, num, cate, e, i, st, dr, rest, ceva, p1, p2, j; ^ user.cpp:55:38: warning: unused variable ‘cate’ [-Wunused-variable] long lim = sqrt (n1), d, l, num, cate, e, i, st, dr, rest, ceva, p1, p2, j; ^ user.cpp:55:44: warning: unused variable ‘e’ [-Wunused-variable] long lim = sqrt (n1), d, l, num, cate, e, i, st, dr, rest, ceva, p1, p2, j; ^ user.cpp:55:47: warning: unused variable ‘i’ [-Wunused-variable] long lim = sqrt (n1), d, l, num, cate, e, i, st, dr, rest, ceva, p1, p2, j; ^ user.cpp:55:50: warning: unused variable ‘st’ [-Wunused-variable] long lim = sqrt (n1), d, l, num, cate, e, i, st, dr, rest, ceva, p1, p2, j; ^ user.cpp:55:54: warning: unused variable ‘dr’ [-Wunused-variable] long lim = sqrt (n1), d, l, num, cate, e, i, st, dr, rest, ceva, p1, p2, j; ^ user.cpp:55:58: warning: unused variable ‘rest’ [-Wunused-variable] long lim = sqrt (n1), d, l, num, cate, e, i, st, dr, rest, ceva, p1, p2, j; ^ user.cpp:55:64: warning: unused variable ‘ceva’ [-Wunused-variable] long lim = sqrt (n1), d, l, num, cate, e, i, st, dr, rest, ceva, p1, p2, j; ^