3431. skew数
摘要
Title: 3431. skew数
Tag: 模拟
Memory Limit: 64 MB
Time Limit: 1000 ms
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3431. skew数
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题意
略
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思路
模拟输出即可
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代码
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39# import
import sys, math, os
from io import BytesIO, IOBase
from collections import Counter, deque
from heapq import heapify, heappop, heappush, nlargest, nsmallest
from bisect import bisect_left, bisect_right
from datetime import datetime, timedelta
from typing import *
class sa:
def __init__(self, x, y):
self.x = x
self.y = y
def __lt__(self, x):
pass
# Final
N = int(1e3 + 10)
INF = int(2e9)
# Define
sys.setrecursionlimit(INF)
read = lambda: map(int, input().split())
# —————————————————————Division line ——————————————————————
while True:
try:
s = input()
ans = 0
for i in range(len(s)):
ans += int(s[i]) * (2 ** (len(s) - i) - 1)
print(ans)
except:
exit(0)