코드포스
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Codeforces Round #479 (Div. 3)코드포스(CodeForce) 2018. 6. 30. 11:43
1. 문제 (http://codeforces.com/contest/977/problem/A)A. Wrong Subtractiontime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputLittle girl Tanya is learning how to decrease a number by one, but she does it wrong with a number consisting of two or more digits. Tanya subtracts one from a number by the following algorithm:if the last digit of the number ..