struct node *copy_branch(struct tree *dst, struct node *src)
{
switch (src->token) {
case token_x:
return new_var(dst, token_x);
case token_y:
return new_var(dst, token_y);
case token_z:
return new_var(dst, token_z);
case token_a:
return new_var(dst, token_a);
case token_num:
return new_num(dst, src->value);
case token_pow:
return new_pow(dst, copy_branch(dst, src->left), src->value);
case token_mul:
return new_node(dst, copy_branch(dst, src->left), token_mul, copy_branch(dst, src->right));
case token_add:
return new_node(dst, copy_branch(dst, src->left), token_add, copy_branch(dst, src->right));
case token_sub:
return new_node(dst, copy_branch(dst, src->left), token_sub, copy_branch(dst, src->right));
case token_neg:
return new_node(dst, 0, token_neg, copy_branch(dst, src->right));
case token_sqrt:
return new_node(dst, 0, token_sqrt, copy_branch(dst, src->right));
case token_err:
return 0;
default:
error::set_num(error::unknown_token);
return 0;
}
}
void asm_simplifications_prep_rec( OpWithSeq *op ) {
if ( op->id == OpWithSeq::current_id )
return;
op->id = OpWithSeq::current_id;
if ( op->type == STRING_pow_NUM and op->children[1]->type == OpWithSeq::NUMBER ) {
double v = op->children[1]->val();
int n = int( 2 * v );
if ( n == 2 * v and ( n & 1 ) ) { // ^ n/2
OpWithSeq *ch = new_pow( op->children[0], 2 * v );
//
op->type = STRING_sqrt_NUM;
op->children[0]->remove_parent( op );
op->children[1]->remove_parent( op );
op->children.clear();
op->add_child( ch );
}
}
// recursivity
for(unsigned i=0;i<op->children.size();++i)
asm_simplifications_prep_rec( op->children[i] );
}
int main()
{
int i, r, num_cases;
int pow[NUM_DIGITS] = {2,3}; // 32
long long delta, n;
init_powtab();
delta = 4; n = 5;
for (r = 2; r <= 20; r++) {
while (!digits_ok(pow, r)) {
n += delta;
new_pow(n, pow);
}
ntab[r] = n;
delta *= 5;
}
scanf("%d\n", &num_cases);
for (i = 1; i <= num_cases; i++) {
scanf("%d", &r);
printf(FORMAT, i, r, ntab[r]);
}
return 0;
}
