Some times after the contest when we submit a code for practice its shows that we have got wrong answer but its 70th token that failed and when we scroll to see what was that test case we are unable to see the test case as it is like ... there so is there any way to get the complete test cases?

I like the next concept of div 4 and it really motivated me , i know there can be few such contests here but i am here to ask if i like to contribute questions for div 4 by becoming a problem setter how can i approach?