AtCoder Beginner Contest 164 D - Multiple of 2019 (數論規律同餘)

整理的算法模板：ACM算法模板總結（分類詳細版）html   D - Multiple of 2019 Time Limit: 2 sec / Memory Limit: 1024 MBc++ Score : 400400 pointsgit Problem Statement Given is a string SS consisting of digits from 1 through 9.算

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