Submission #122700


Source Code Expand

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def solve():
    n, k = map(int, raw_input().split())
    sum = 0
    rs = map(int, raw_input().split())
    rs = sorted(rs)[::-1][:k][::-1]
    for i in range(k):
        sum += rs[i]*(2**i)
    print float(sum)/(2**k)

if __name__ == "__main__":
    solve()

Submission Info

Submission Time
Task C - AtCoderプログラミング講座
User numa
Language Python (2.7.3)
Score 100
Code Size 269 Byte
Status
Exec Time 63 ms
Memory 3392 KB

Judge Result

Set Name All
Score / Max Score 100 / 100
Status
× 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 63 ms 3248 KB
00_sample_02.txt 50 ms 3388 KB
00_sample_03.txt 50 ms 3392 KB
00_sample_04.txt 49 ms 3392 KB
test_01.txt 48 ms 3392 KB
test_02.txt 49 ms 3368 KB
test_03.txt 49 ms 3384 KB
test_04.txt 48 ms 3328 KB
test_05.txt 49 ms 3380 KB
test_06.txt 50 ms 3328 KB
test_07.txt 47 ms 3328 KB
test_08.txt 49 ms 3388 KB
test_09.txt 49 ms 3380 KB
test_10.txt 51 ms 3384 KB
test_11.txt 50 ms 3384 KB
test_12.txt 48 ms 3372 KB
test_13.txt 51 ms 3392 KB
test_14.txt 48 ms 3328 KB
test_15.txt 50 ms 3388 KB
test_16.txt 48 ms 3324 KB
test_17.txt 50 ms 3324 KB
test_18.txt 46 ms 3380 KB
test_19.txt 49 ms 3324 KB
test_20.txt 48 ms 3388 KB
test_21.txt 48 ms 3372 KB
test_22.txt 48 ms 3380 KB
test_23.txt 48 ms 3324 KB
test_24.txt 49 ms 3384 KB
test_25.txt 49 ms 3376 KB
test_26.txt 48 ms 3380 KB
test_27.txt 48 ms 3324 KB
test_28.txt 48 ms 3380 KB
test_29.txt 47 ms 3376 KB
test_30.txt 49 ms 3388 KB