C language programming Transcribed Image Text: os://pintia.cn/problem-sets/1399179388384923648/problems/1399..
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7-4 sum of polynomial (1)
Developing a program to calculate the following polynomial.
fn=a+aa+aaa+.+a..,aa(number of n
Among above, a is a digit between 0 and 9,
n is a positive integer which less
For instance, if input a: 3, n: 4. then fn= 3+33+333+3333. The value of fn is
Each input file contains one test case, which gives a and n in a line. Separate by
For each test case, print in a line the value of fn.