DWITE Online Computer Programming Contest, November 2008, Problem 2
Simply speaking, you need to know how to handle your numbers well. Given an integer, what is the largest digit present in that number?
The input will contain 5 lines, integers .
The output will contain 5 lines, each a single integer – the largest digit present in the corresponding input number.
1 10 102 1025 9999
1 1 2 5 9
Problem Resource: DWITE