Submission #122688


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#!/usr/bin/env python
# -*- coding: utf-8 -*-

n, k = map(int, raw_input().strip().split())
rs = map(int, raw_input().strip().split())
rs.sort(key=lambda x:-x)
cand = rs[:k]

next_rate = lambda x,y: (x + y)/2.0
cand.sort()
ans = reduce(next_rate, cand, 0)

print ans

Submission Info

Submission Time
Task C - AtCoderプログラミング講座
User chooblarinrin
Language Python (2.7.3)
Score 100
Code Size 278 Byte
Status AC
Exec Time 50 ms
Memory 3392 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 48 ms 3324 KB
00_sample_02.txt AC 48 ms 3336 KB
00_sample_03.txt AC 47 ms 3380 KB
00_sample_04.txt AC 49 ms 3312 KB
test_01.txt AC 47 ms 3324 KB
test_02.txt AC 50 ms 3320 KB
test_03.txt AC 49 ms 3376 KB
test_04.txt AC 48 ms 3388 KB
test_05.txt AC 48 ms 3380 KB
test_06.txt AC 48 ms 3388 KB
test_07.txt AC 49 ms 3388 KB
test_08.txt AC 48 ms 3384 KB
test_09.txt AC 48 ms 3384 KB
test_10.txt AC 49 ms 3388 KB
test_11.txt AC 49 ms 3384 KB
test_12.txt AC 49 ms 3384 KB
test_13.txt AC 48 ms 3376 KB
test_14.txt AC 49 ms 3380 KB
test_15.txt AC 49 ms 3388 KB
test_16.txt AC 49 ms 3384 KB
test_17.txt AC 47 ms 3324 KB
test_18.txt AC 47 ms 3324 KB
test_19.txt AC 48 ms 3392 KB
test_20.txt AC 48 ms 3384 KB
test_21.txt AC 47 ms 3312 KB
test_22.txt AC 49 ms 3384 KB
test_23.txt AC 49 ms 3384 KB
test_24.txt AC 48 ms 3380 KB
test_25.txt AC 49 ms 3388 KB
test_26.txt AC 50 ms 3380 KB
test_27.txt AC 49 ms 3392 KB
test_28.txt AC 49 ms 3388 KB
test_29.txt AC 48 ms 3328 KB
test_30.txt AC 48 ms 3384 KB