dx }
dx
dx // for each node
dx for (; head != NULL; head = head->next) {
dx // if x is found
dx if (head->x == x) {
dx return head;
dx }
dx }
dx
dx // if we get here, then x is not found
dx return NULL;
dx }
'''
main_code_template = '''\
dx struct node *list_head = NULL;
dx
dx ll_add_at(&list_head,1,$x1);
'''
argv_template = ''
stdin_template = ''
stdout_template = ''
question = question_template.Question_template(game_type,source_language,
parameter_list,tuple_list,global_code_template,main_code_template,
argv_template,stdin_template,stdout_template)
import question_template
question = question_template.Question_template()
question.game_type = 'input_output'
question.source_language = 'python'
question.parameter_list = [['$pattern', 'string'], ['$string', 'string'],
['$y0', 'string']]
question.tuple_list = [
# concatenation
[
're_operators_concatenation_',
['^0$', '0', None],
['^0$', 'a0', None],
['^0$', '0b', None],
['^0$', 'a0b', None],
['^01$', '10', None],
['^01$', '01', None],
],
# alternation
[
're_operators_alternation_',
['^0|1$', '0', None],
['^0|1$', '1', None],
['^0|1$', '0b', None],
['^0|1$', '1b', None],
['^0|1$', 'a0b', None],
['^0|10|1$', '01', None],
