3431. número sesgado

Impulsado por: NEFU AB-IN

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3431. número sesgado

• significado del titulo

  levemente

• tren de pensamiento

  La salida analógica está bien

• el código

  # 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)