希望更丰富的展现？使用Markdown
by RioBlu @ 2019-06-09 09:38:16
希望更丰富的展现？使用Markdown
by Terrasse @ 2019-06-09 09:38:46
```python3
x = float(input())
ds = float(2)
bushu = int()
while True:
bushu += 1
x -= ds
if x <= 0:
break
ds *= 0.98
print(bushu)
```
by Terrasse @ 2019-06-09 09:43:38