Submission #122552

Source Code Expand

N,K = list(map(int,input().split()))
R = list(map(int,input().split()))

R.sort(reverse=True)
ans = 0

for i in range(K):
    ans += R[i]/2.0**(i+1)

print(ans)

Submission Info

Submission Time
Task C - AtCoderプログラミング講座
User katnav
Language Python (3.2.3)
Score 100
Code Size 171 Byte
Status AC
Exec Time 144 ms
Memory 8436 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 135 ms 8308 KB
00_sample_02.txt AC 140 ms 8272 KB
00_sample_03.txt AC 137 ms 8280 KB
00_sample_04.txt AC 139 ms 8308 KB
test_01.txt AC 136 ms 8308 KB
test_02.txt AC 143 ms 8292 KB
test_03.txt AC 135 ms 8308 KB
test_04.txt AC 144 ms 8288 KB
test_05.txt AC 137 ms 8308 KB
test_06.txt AC 135 ms 8308 KB
test_07.txt AC 144 ms 8308 KB
test_08.txt AC 138 ms 8308 KB
test_09.txt AC 140 ms 8304 KB
test_10.txt AC 136 ms 8296 KB
test_11.txt AC 140 ms 8424 KB
test_12.txt AC 142 ms 8304 KB
test_13.txt AC 136 ms 8304 KB
test_14.txt AC 136 ms 8304 KB
test_15.txt AC 143 ms 8308 KB
test_16.txt AC 139 ms 8304 KB
test_17.txt AC 141 ms 8308 KB
test_18.txt AC 138 ms 8436 KB
test_19.txt AC 139 ms 8436 KB
test_20.txt AC 141 ms 8296 KB
test_21.txt AC 139 ms 8304 KB
test_22.txt AC 137 ms 8304 KB
test_23.txt AC 138 ms 8428 KB
test_24.txt AC 140 ms 8436 KB
test_25.txt AC 140 ms 8300 KB
test_26.txt AC 138 ms 8296 KB
test_27.txt AC 139 ms 8304 KB
test_28.txt AC 137 ms 8288 KB
test_29.txt AC 140 ms 8292 KB
test_30.txt AC 141 ms 8436 KB