#18532. 第四章:for循环结构《练习5:求s=n+nn+nnn+……+ nnn…nnn(n个n)》

    ID: 18532 Type: Default 1000ms 128MiB Tried: 0 Accepted: 0 Difficulty: (None) Uploaded By: Tags>《C++入门百例》by_scy

第四章:for循环结构《练习5:求s=n+nn+nnn+……+ nnn…nnn(n个n)》

说明

输入一个整数n,求s=n+nn+nnn+……+  nnn…nnn(n个n)  (n<=9)
   比如n=5,s=5+55+555+5555+55555= 61725

5
61725

来源

《C++入门百例》by_scy