铺设能源管道
蓝桥杯-铺设能源管道
2025-国赛
import os
import sys
# 请在此输入您的代码
N = int(input())
if N == 1:
print(1)
sys.exit(0)
ans = 0
if 0 < N <= 10:
ans = 10
elif 10 < N <= 100:
ans = 100
elif 100 < N <= 1000:
ans = 1000
elif 1000 < N <= 10000:
ans = 10000
elif 10000 < N <= 100000:
ans = 100000
elif 100000 < N <= 1000000:
ans = 1000000
elif 1000000 < N <= 10000000:
ans = 10000000
elif 10000000 < N <= 100000000:
ans = 100000000
elif 100000000 < N <= 1000000000:
ans = 1000000000
elif 1000000000 < N <= 10000000000:
ans = 10000000000
print (ans)