Submission #3601001
Source Code Expand
#!/usr/bin/python3 # -*- coding: utf-8 -*- """ https://beta.atcoder.jp/contests/abc008/tasks/abc008_2 """ import sys from inspect import currentframe from itertools import permutations import math def debug(*args): names = {id(v):k for k,v in currentframe().f_back.f_locals.items()} print(', '.join(names.get(id(arg),'???')+' = '+repr(arg) for arg in args), file=sys.stderr) #とりあえず全探索 N = int(input()) C = [int(input()) for _ in range(N)] expectation_front = 0 for coin in C: S = len([True for j in C if coin % j == 0]) - 1 if S % 2 == 0: expectation_front += (S + 2) / (2 * S + 2) else: expectation_front += 0.5 print(expectation_front)
Submission Info
Submission Time | |
---|---|
Task | C - コイン |
User | terakoji |
Language | Python (3.4.3) |
Score | 100 |
Code Size | 737 Byte |
Status | AC |
Exec Time | 37 ms |
Memory | 4612 KB |
Judge Result
Set Name | Sample | Subtask1 | Subtask2 | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 99 / 99 | 1 / 1 | ||||||
Status |
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Set Name | Test Cases |
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Sample | sample_01.txt, sample_02.txt, sample_03.txt |
Subtask1 | subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_16.txt, subtask1_17.txt, subtask1_18.txt, subtask1_19.txt, subtask1_20.txt |
Subtask2 | subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_16.txt, subtask1_17.txt, subtask1_18.txt, subtask1_19.txt, subtask1_20.txt, subtask2_01.txt, subtask2_02.txt, subtask2_03.txt, subtask2_04.txt, subtask2_05.txt, subtask2_06.txt, subtask2_07.txt, subtask2_08.txt, subtask2_09.txt, subtask2_10.txt, subtask2_11.txt, subtask2_12.txt, subtask2_13.txt, subtask2_14.txt, subtask2_15.txt, subtask2_16.txt, subtask2_17.txt, subtask2_18.txt, subtask2_19.txt, subtask2_20.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
sample_01.txt | AC | 35 ms | 4612 KB |
sample_02.txt | AC | 36 ms | 4612 KB |
sample_03.txt | AC | 35 ms | 4612 KB |
subtask1_01.txt | AC | 35 ms | 4612 KB |
subtask1_02.txt | AC | 35 ms | 4612 KB |
subtask1_03.txt | AC | 36 ms | 4612 KB |
subtask1_04.txt | AC | 35 ms | 4612 KB |
subtask1_05.txt | AC | 35 ms | 4612 KB |
subtask1_06.txt | AC | 35 ms | 4612 KB |
subtask1_07.txt | AC | 35 ms | 4612 KB |
subtask1_08.txt | AC | 35 ms | 4612 KB |
subtask1_09.txt | AC | 35 ms | 4612 KB |
subtask1_10.txt | AC | 35 ms | 4612 KB |
subtask1_11.txt | AC | 36 ms | 4612 KB |
subtask1_12.txt | AC | 36 ms | 4612 KB |
subtask1_13.txt | AC | 35 ms | 4612 KB |
subtask1_14.txt | AC | 35 ms | 4612 KB |
subtask1_15.txt | AC | 35 ms | 4612 KB |
subtask1_16.txt | AC | 35 ms | 4612 KB |
subtask1_17.txt | AC | 36 ms | 4612 KB |
subtask1_18.txt | AC | 35 ms | 4612 KB |
subtask1_19.txt | AC | 36 ms | 4612 KB |
subtask1_20.txt | AC | 35 ms | 4612 KB |
subtask2_01.txt | AC | 35 ms | 4612 KB |
subtask2_02.txt | AC | 35 ms | 4612 KB |
subtask2_03.txt | AC | 35 ms | 4612 KB |
subtask2_04.txt | AC | 35 ms | 4612 KB |
subtask2_05.txt | AC | 36 ms | 4612 KB |
subtask2_06.txt | AC | 36 ms | 4612 KB |
subtask2_07.txt | AC | 36 ms | 4612 KB |
subtask2_08.txt | AC | 37 ms | 4612 KB |
subtask2_09.txt | AC | 36 ms | 4612 KB |
subtask2_10.txt | AC | 36 ms | 4612 KB |
subtask2_11.txt | AC | 36 ms | 4612 KB |
subtask2_12.txt | AC | 36 ms | 4612 KB |
subtask2_13.txt | AC | 36 ms | 4612 KB |
subtask2_14.txt | AC | 36 ms | 4612 KB |
subtask2_15.txt | AC | 36 ms | 4612 KB |
subtask2_16.txt | AC | 36 ms | 4612 KB |
subtask2_17.txt | AC | 36 ms | 4612 KB |
subtask2_18.txt | AC | 36 ms | 4612 KB |
subtask2_19.txt | AC | 36 ms | 4612 KB |
subtask2_20.txt | AC | 36 ms | 4612 KB |