AtCoder题解 —— AtCoder Beginner Contest 187 —— A - Large Digits
题目相关题目链接AtCoderBeginnerContest187A题,https://atcoder.jp/contests/abc187/tasks/abc187_a。ProblemStatementForanintegernnn,letS(n)S(n)S(n)bethesumofdigitsinthedecimalnotationofnnn.Forexample,wehaveS(123)=1