Submission #4245126


Source Code Expand

#!usr/bin/env python3
from collections import defaultdict
import math
import bisect
import random
def LI(): return list(map(int, input().split()))
def II(): return int(input())
def LS(): return input().split()
def S(): return input()
def IIR(n): return [II() for i in range(n)]
def LIR(n): return [LI() for i in range(n)]
def SR(n): return [S() for i in range(n)]
mod = 1000000007

#A

#B

#C
n,k = LI()
r = LI()
r.sort()
r = r[::-1][:k]
ans = 0
l = 2
for i in range(k):
    ans += r[i]/l
    l *= 2
print(ans)
#D

#E

#F

#G

#H

#I

#J

#K

#L

#M

#N

#O

#P

#Q

#R

#S

#T

Submission Info

Submission Time
Task C - AtCoderプログラミング講座
User dn6049949
Language PyPy3 (2.4.0)
Score 100
Code Size 640 Byte
Status AC
Exec Time 197 ms
Memory 39408 KB

Judge Result

Set Name All
Score / Max Score 100 / 100
Status
AC × 34
Set Name Test Cases
All 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, test_01.txt, test_02.txt, test_03.txt, test_04.txt, test_05.txt, test_06.txt, test_07.txt, test_08.txt, test_09.txt, test_10.txt, test_11.txt, test_12.txt, test_13.txt, test_14.txt, test_15.txt, test_16.txt, test_17.txt, test_18.txt, test_19.txt, test_20.txt, test_21.txt, test_22.txt, test_23.txt, test_24.txt, test_25.txt, test_26.txt, test_27.txt, test_28.txt, test_29.txt, test_30.txt
Case Name Status Exec Time Memory
00_sample_01.txt AC 192 ms 39408 KB
00_sample_02.txt AC 181 ms 38512 KB
00_sample_03.txt AC 197 ms 38512 KB
00_sample_04.txt AC 183 ms 38512 KB
test_01.txt AC 185 ms 38640 KB
test_02.txt AC 190 ms 38512 KB
test_03.txt AC 180 ms 38512 KB
test_04.txt AC 186 ms 38512 KB
test_05.txt AC 187 ms 38512 KB
test_06.txt AC 182 ms 38512 KB
test_07.txt AC 180 ms 38512 KB
test_08.txt AC 181 ms 38512 KB
test_09.txt AC 186 ms 38512 KB
test_10.txt AC 184 ms 38512 KB
test_11.txt AC 185 ms 38512 KB
test_12.txt AC 179 ms 38512 KB
test_13.txt AC 184 ms 38512 KB
test_14.txt AC 180 ms 38512 KB
test_15.txt AC 180 ms 38512 KB
test_16.txt AC 181 ms 38512 KB
test_17.txt AC 185 ms 38512 KB
test_18.txt AC 185 ms 38512 KB
test_19.txt AC 186 ms 38512 KB
test_20.txt AC 188 ms 38512 KB
test_21.txt AC 190 ms 38512 KB
test_22.txt AC 190 ms 38512 KB
test_23.txt AC 187 ms 38512 KB
test_24.txt AC 186 ms 38512 KB
test_25.txt AC 185 ms 38512 KB
test_26.txt AC 184 ms 38512 KB
test_27.txt AC 187 ms 38512 KB
test_28.txt AC 187 ms 38640 KB
test_29.txt AC 186 ms 38512 KB
test_30.txt AC 187 ms 38512 KB