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# 1  
Old 08-21-2009
help me! how to solve this question?

Find the first alphabetic letter from the input:
Accept a group of upper case alphabetic letters one at a time, ended with a 0, and find and display the first letter in alphabetic order. For example, input of D, G, T, S, V, G, C, K, P should result in C.
Any invalid input character (eg. #, $, 3, a, etc.) should cause an error message and be ignored.
# 2  
Old 08-21-2009
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