「悬赏300经验」求解一个数学问题，关于利息和本金

R-零

a = 10000.0
rate = 1.02
count = 0
while a < 1000000
a *= rate
count += 1
end
print count

a = 1.0
rate = 1.05
count = 0
while a < 1000000
a *= rate
count += 1
end
print count


233和284年