Submission #123854


Source Code Expand

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import sys

N,K=map(int,raw_input().strip().split(" "))
R=map(int,raw_input().strip().split(" "))

R.sort()
r=0.0

for i in range(0,K):
	r = (r+R[N-K+i])/2.0

print r

Submission Info

Submission Time
Task C - AtCoderプログラミング講座
User kmjp
Language Python (2.7.3)
Score 100
Code Size 179 Byte
Status
Exec Time 61 ms
Memory 3324 KB

Test Cases

Set Name Score / Max Score Test Cases
All 100 / 100 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 52 ms 3320 KB
00_sample_02.txt 49 ms 3264 KB
00_sample_03.txt 50 ms 3260 KB
00_sample_04.txt 48 ms 3212 KB
test_01.txt 50 ms 3264 KB
test_02.txt 48 ms 3256 KB
test_03.txt 48 ms 3268 KB
test_04.txt 49 ms 3252 KB
test_05.txt 50 ms 3256 KB
test_06.txt 49 ms 3300 KB
test_07.txt 50 ms 3260 KB
test_08.txt 51 ms 3320 KB
test_09.txt 52 ms 3268 KB
test_10.txt 55 ms 3268 KB
test_11.txt 54 ms 3244 KB
test_12.txt 53 ms 3260 KB
test_13.txt 50 ms 3264 KB
test_14.txt 51 ms 3252 KB
test_15.txt 47 ms 3212 KB
test_16.txt 49 ms 3256 KB
test_17.txt 49 ms 3260 KB
test_18.txt 61 ms 3268 KB
test_19.txt 54 ms 3268 KB
test_20.txt 53 ms 3264 KB
test_21.txt 50 ms 3264 KB
test_22.txt 50 ms 3264 KB
test_23.txt 48 ms 3252 KB
test_24.txt 49 ms 3324 KB
test_25.txt 47 ms 3260 KB
test_26.txt 50 ms 3268 KB
test_27.txt 48 ms 3260 KB
test_28.txt 52 ms 3256 KB
test_29.txt 52 ms 3320 KB
test_30.txt 50 ms 3264 KB