#406675 (PyPy3) No.617 Nafmo、買い出しに行く

• 問題: No.617 Nafmo、買い出しに行く
• ユーザー: Mille0x1C
• 提出日時: 2019-12-09 02:28:10
• 言語: PyPy3 (7.3.15)
• 結果: AC
• 実行時間: 1,264 ms / 2,000 ms
• コード長: 2,072 bytes
• コンパイル時間: 287 ms
• コンパイル使用メモリ: 82,048 KB
• 実行使用メモリ: 76,544 KB
• 最終ジャッジ日時: 2025-01-03 07:50:46
• 合計ジャッジ時間: 13,771 ms
• ジャッジサーバーID （参考情報）: judge5 / judge4

ファイルパターン	結果
sample	AC * 2
other	AC * 20

ソースコード

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from __future__ import print_function
import sys
input = sys.stdin.readline
def eprint(*args, **kwargs):
    print(*args, file=sys.stderr, **kwargs)
    return
# import math
# import string
# import fractions
# from fractions import Fraction
# from fractions import gcd
# def lcm(n,m):
#     return int(n*m/gcd(n,m))
# import re
# import array
# import copy
# import functools
# import operator
# import collections
# import itertools
# import bisect
# import heapq
# from heapq import heappush
# from heapq import heappop
# from heapq import heappushpop
# from heapq import heapify
# from heapq import heapreplace
# from queue import PriorityQueue as pq
# def reduce(p, q):
#     common = fractions.gcd(p, q)
#     return (p//common , q//common )
# # from itertools import accumulate
# # from collections import deque
# from operator import mul
# from functools import reduce
# def combinations_count(n, r):
#     r = min(r, n - r)
#     numer = reduce(mul, range(n, n - r, -1), 1)
#     denom = reduce(mul, range(1, r + 1), 1)
#     return numer // denom
# import random
def main():
    num_products, power_me = map(int, input().strip().split())
    l_weight=[]
    for i in range(num_products):
        a = int(input().strip())
        l_weight.append(a)
    ans=0
    for case in range(2 ** num_products):     # 場合ループ # nは人とかモノとかの個数
        l_bin_products = list(map(int,(format(case,'b').zfill(num_products))))
        # eprint("l_bin_products ",end=": ")
        # eprint(l_bin_products)
        #flag=0
        temp_ans=0
        Pow=power_me
        for index_products in range(num_products):      # 人とかモノとかループ
            if l_bin_products[index_products]==1:    # その桁がyesだと仮定している場合
               temp_ans+=l_weight[index_products]
               Pow-=l_weight[index_products]
               if Pow<0:
                   break
            else:
                pass
            ans=max(ans,temp_ans)
    print(ans)
    return
if __name__ == '__main__':
    main()
 
 
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