时间限制: 2s
内存限制: 192MB 提交: 1682 解决: 525
题目描述
分数a/b化为小数后，小数点后第n位的数字是多少？
输入格式
三个正整数a，b，na，b，n，相邻两个数之间用单个空格隔开。0<a<b<100，1<=n<=100000<a<b<100，1<=n<=10000。
提示
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