문제
상근이는 은행에 가서 통장을 만들고 N원을 저금했다. 상근이는 이 통장에 입금이나 출금을 하지 않았다.
은행은 통장을 만든지 1년이 지날때마다 상근이의 통장에 저금되어 있는 돈의 B%만큼을 이자로 적립해준다.
상근이는 몇 년이 지나면 통장에 저금되어 있는 돈이 M원을 넘을지 궁금해졌다.
N,M,B가 주어졌을 때, 몇 년이 지나야 하는지 구하는 프로그램을 작성하시오.
출력
각 테스트 케이스에 대해서, M원을 넘게 만들려면 몇 년이 걸리는지 출력한다.
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