結果

問題 No.1869 Doubling?
ユーザー McGregorshMcGregorsh
提出日時 2022-07-27 19:15:56
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 240 ms / 2,000 ms
コード長 1,806 bytes
コンパイル時間 419 ms
コンパイル使用メモリ 87,260 KB
実行使用メモリ 92,532 KB
最終ジャッジ日時 2023-09-24 08:01:50
合計ジャッジ時間 13,584 ms
ジャッジサーバーID
(参考情報)
judge14 / judge11
このコードへのチャレンジ
(要ログイン)

テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 234 ms
92,220 KB
testcase_01 AC 231 ms
92,248 KB
testcase_02 AC 235 ms
92,360 KB
testcase_03 AC 233 ms
92,384 KB
testcase_04 AC 240 ms
92,200 KB
testcase_05 AC 239 ms
92,372 KB
testcase_06 AC 237 ms
92,416 KB
testcase_07 AC 235 ms
92,412 KB
testcase_08 AC 232 ms
92,116 KB
testcase_09 AC 236 ms
92,516 KB
testcase_10 AC 235 ms
92,128 KB
testcase_11 AC 234 ms
92,404 KB
testcase_12 AC 234 ms
92,336 KB
testcase_13 AC 234 ms
92,124 KB
testcase_14 AC 233 ms
92,468 KB
testcase_15 AC 229 ms
92,504 KB
testcase_16 AC 230 ms
92,244 KB
testcase_17 AC 229 ms
92,504 KB
testcase_18 AC 240 ms
92,436 KB
testcase_19 AC 236 ms
92,128 KB
testcase_20 AC 231 ms
92,396 KB
testcase_21 AC 231 ms
92,176 KB
testcase_22 AC 233 ms
92,240 KB
testcase_23 AC 232 ms
92,500 KB
testcase_24 AC 234 ms
92,332 KB
testcase_25 AC 231 ms
92,456 KB
testcase_26 AC 236 ms
92,228 KB
testcase_27 AC 230 ms
92,532 KB
testcase_28 AC 234 ms
92,400 KB
testcase_29 AC 235 ms
92,308 KB
testcase_30 AC 237 ms
92,392 KB
testcase_31 AC 237 ms
92,240 KB
testcase_32 AC 237 ms
92,280 KB
testcase_33 AC 236 ms
92,152 KB
testcase_34 AC 236 ms
92,248 KB
testcase_35 AC 234 ms
92,324 KB
testcase_36 AC 234 ms
92,416 KB
testcase_37 AC 237 ms
92,424 KB
testcase_38 AC 239 ms
92,348 KB
testcase_39 AC 235 ms
92,324 KB
testcase_40 AC 234 ms
92,500 KB
testcase_41 AC 235 ms
92,324 KB
testcase_42 AC 237 ms
92,532 KB
testcase_43 AC 231 ms
92,268 KB
testcase_44 AC 235 ms
92,228 KB
testcase_45 AC 231 ms
92,288 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

import sys, re
from fractions import Fraction
from math import ceil, floor, sqrt, pi, factorial, gcd
from copy import deepcopy
from collections import Counter, deque, defaultdict
from heapq import heapify, heappop, heappush
from itertools import accumulate, product, combinations, combinations_with_replacement, permutations
from bisect import bisect, bisect_left, bisect_right
from functools import reduce
from decimal import Decimal, getcontext
def i_input(): return int(input())
def i_map(): return map(int, input().split())
def i_list(): return list(i_map())
def i_row(N): return [i_input() for _ in range(N)]
def i_row_list(N): return [i_list() for _ in range(N)]
def s_input(): return input()
def s_map(): return input().split()
def s_list(): return list(s_map())
def s_row(N): return [s_input for _ in range(N)]
def s_row_str(N): return [s_list() for _ in range(N)]
def s_row_list(N): return [list(s_input()) for _ in range(N)]
def lcm(a, b): return a * b // gcd(a, b)
def get_distance(x1, y1, x2, y2):
	  d = sqrt((x2 - x1) ** 2 + (y2 - y1) ** 2)
	  return d
def rotate(table):
   	  n_fild = []
   	  for x in zip(*table[::-1]):
   	  	  n_fild.append(x)
   	  return n_fild
sys.setrecursionlimit(10 ** 7)
INF = float('inf')
MOD = 10 ** 9 + 7
MOD2 = 998244353


###関数コピーしたか?###
def main():
   
   n, m = i_map()
   
   if n <= 60 and 2 ** (n-1) < m:
   	  num = 1
   	  score = 1
   	  for i in range(n-1):
   	  	  num *= 2
   	  	  score += num
   	  print(score)
   	  exit()
   
   ans = m
   cou = 1
   now = m
   while now > 1 and cou < n:
   	  if now  % 2 == 0:
   	  	  now //= 2
   	  else:
   	  	  now //= 2
   	  	  now += 1
   	  cou += 1
   	  ans += now
   	  #print(now)
   nokori = n - cou
   print(ans + nokori)
   
   
if __name__ == '__main__':
    main()


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