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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#480138 | #4687. Weather Report | Geothermal | AC ✓ | 118ms | 11180kb | Python3 | 1.3kb | 2024-07-16 08:41:55 | 2024-07-16 08:41:57 |
Judging History
answer
import heapq
N = int(input())
S = input()
A = [int(round(float(s)*1000000)+0.5) for s in S.split(' ')]
choose = []
for i in range(21):
choose.append([])
for j in range(21):
if (i < j):
choose[i].append(0)
elif (j == 0):
choose[i].append(1)
else:
choose[i].append(choose[i-1][j-1] + choose[i-1][j])
ans = 0
q = []
for a in range(N+1):
for b in range(N+1):
for c in range(N+1):
if (a+b+c <= N):
cur = [a, b, c, N-a-b-c]
ways = 1
for i in range(4):
for j in range(cur[i]):
ways *= A[i]
for i in range(N):
ways = ways / 1000000
val = choose[N][a] * choose[N-a][b] * choose[N-a-b][c]
heapq.heappush(q, [ways, val])
while len(q) > 1 or q[0][1] > 1:
cur = heapq.heappop(q)
if cur[1] == 1:
nxt = heapq.heappop(q)
heapq.heappush(q, [cur[0]+nxt[0], 1])
ans += cur[0]+nxt[0]
if (nxt[1] > 1):
heapq.heappush(q, [nxt[0], nxt[1]-1])
else:
cnt = cur[1] // 2
ans += cnt * 2 * cur[0]
heapq.heappush(q, [cur[0]*2, cnt])
if (cur[1] % 2 == 1):
heapq.heappush(q, [cur[0], 1])
print(ans)
详细
Test #1:
score: 100
Accepted
time: 16ms
memory: 10784kb
input:
2 0.9 0.049999 0.05 0.000001
output:
1.457509949996
result:
ok found '1.45751', expected '1.45751', error '0.00000'
Test #2:
score: 0
Accepted
time: 105ms
memory: 11168kb
input:
20 0.25 0.25 0.25 0.25
output:
39.99999999999999
result:
ok found '40.00000', expected '40.00000', error '0.00000'
Test #3:
score: 0
Accepted
time: 91ms
memory: 10916kb
input:
19 0.5 0.3 0.08615 0.11385
output:
32.000055102909144
result:
ok found '32.00006', expected '32.00006', error '0.00000'
Test #4:
score: 0
Accepted
time: 88ms
memory: 11112kb
input:
19 0.255 0.265 0.235 0.245
output:
37.99434466137963
result:
ok found '37.99434', expected '37.99435', error '0.00000'
Test #5:
score: 0
Accepted
time: 104ms
memory: 10976kb
input:
20 0.066667 0.133333 0.266667 0.533333
output:
32.84888480209875
result:
ok found '32.84888', expected '32.84889', error '0.00000'
Test #6:
score: 0
Accepted
time: 102ms
memory: 11180kb
input:
20 0.27 0.26 0.24 0.23
output:
39.97002442307791
result:
ok found '39.97002', expected '39.97002', error '0.00000'
Test #7:
score: 0
Accepted
time: 118ms
memory: 11020kb
input:
20 0.5 0.2 0.175 0.125
output:
35.617733235788144
result:
ok found '35.61773', expected '35.61773', error '0.00000'
Test #8:
score: 0
Accepted
time: 15ms
memory: 10740kb
input:
2 0.9 0.05 0.049999 0.000001
output:
1.457509949996
result:
ok found '1.45751', expected '1.45751', error '0.00000'
Test #9:
score: 0
Accepted
time: 14ms
memory: 10740kb
input:
3 0.25 0.25 0.25 0.25
output:
6.0
result:
ok found '6.00000', expected '6.00000', error '0.00000'
Test #10:
score: 0
Accepted
time: 9ms
memory: 10692kb
input:
9 0.25 0.25 0.25 0.25
output:
18.0
result:
ok found '18.00000', expected '18.00000', error '0.00000'
Test #11:
score: 0
Accepted
time: 18ms
memory: 10680kb
input:
9 0.1 0.4 0.3 0.2
output:
16.645985578999984
result:
ok found '16.64599', expected '16.64599', error '0.00000'
Test #12:
score: 0
Accepted
time: 100ms
memory: 10932kb
input:
20 0.56 0.1 0.01 0.33
output:
27.926967193579657
result:
ok found '27.92697', expected '27.92697', error '0.00000'
Test #13:
score: 0
Accepted
time: 15ms
memory: 10748kb
input:
1 0.5 0.25 0.125 0.125
output:
1.75
result:
ok found '1.75000', expected '1.75000', error '0.00000'
Test #14:
score: 0
Accepted
time: 14ms
memory: 10752kb
input:
2 0.5 0.25 0.125 0.125
output:
3.5
result:
ok found '3.50000', expected '3.50000', error '0.00000'
Test #15:
score: 0
Accepted
time: 14ms
memory: 10744kb
input:
3 0.5 0.25 0.125 0.125
output:
5.25
result:
ok found '5.25000', expected '5.25000', error '0.00000'
Test #16:
score: 0
Accepted
time: 22ms
memory: 10744kb
input:
11 0.5 0.25 0.125 0.125
output:
19.249999999999996
result:
ok found '19.25000', expected '19.25000', error '0.00000'
Test #17:
score: 0
Accepted
time: 7ms
memory: 10564kb
input:
1 0.403 0.199 0.199 0.199
output:
1.995
result:
ok found '1.99500', expected '1.99500', error '0.00000'
Test #18:
score: 0
Accepted
time: 14ms
memory: 10648kb
input:
1 0.199 0.403 0.199 0.199
output:
1.995
result:
ok found '1.99500', expected '1.99500', error '0.00000'
Test #19:
score: 0
Accepted
time: 14ms
memory: 10744kb
input:
1 0.199 0.199 0.403 0.199
output:
1.995
result:
ok found '1.99500', expected '1.99500', error '0.00000'
Test #20:
score: 0
Accepted
time: 3ms
memory: 10744kb
input:
1 0.199 0.199 0.199 0.403
output:
1.995
result:
ok found '1.99500', expected '1.99500', error '0.00000'
Test #21:
score: 0
Accepted
time: 11ms
memory: 10628kb
input:
4 0.4 0.25 0.24 0.11
output:
7.525134570000002
result:
ok found '7.52513', expected '7.52513', error '0.00000'
Test #22:
score: 0
Accepted
time: 15ms
memory: 10628kb
input:
4 0.25 0.4 0.24 0.11
output:
7.525134570000002
result:
ok found '7.52513', expected '7.52513', error '0.00000'
Test #23:
score: 0
Accepted
time: 7ms
memory: 10676kb
input:
4 0.25 0.24 0.4 0.11
output:
7.525134570000002
result:
ok found '7.52513', expected '7.52513', error '0.00000'
Test #24:
score: 0
Accepted
time: 15ms
memory: 10740kb
input:
4 0.25 0.24 0.11 0.4
output:
7.525134570000002
result:
ok found '7.52513', expected '7.52513', error '0.00000'
Test #25:
score: 0
Accepted
time: 15ms
memory: 10676kb
input:
4 0.0001 0.0002 0.00034 0.99936
output:
1.0089885151330946
result:
ok found '1.00899', expected '1.00899', error '0.00000'
Test #26:
score: 0
Accepted
time: 12ms
memory: 10564kb
input:
4 0.99936 0.00034 0.0002 0.0001
output:
1.0089885151330946
result:
ok found '1.00899', expected '1.00899', error '0.00000'
Test #27:
score: 0
Accepted
time: 14ms
memory: 10624kb
input:
4 0.00034 0.99936 0.0002 0.0001
output:
1.0089885151330946
result:
ok found '1.00899', expected '1.00899', error '0.00000'
Test #28:
score: 0
Accepted
time: 109ms
memory: 10880kb
input:
20 0.000001 0.999997 0.000001 0.000001
output:
1.0003570083839806
result:
ok found '1.00036', expected '1.00036', error '0.00000'
Test #29:
score: 0
Accepted
time: 35ms
memory: 10728kb
input:
15 0.000001 0.000001 0.999997 0.000001
output:
1.0002520044579841
result:
ok found '1.00025', expected '1.00025', error '0.00000'
Test #30:
score: 0
Accepted
time: 69ms
memory: 10940kb
input:
18 0.01 0.345 0.345 0.3
output:
29.675058743431805
result:
ok found '29.67506', expected '29.67506', error '0.00000'
Test #31:
score: 0
Accepted
time: 57ms
memory: 11008kb
input:
17 0.13 0.35 0.13 0.39
output:
31.05683615874624
result:
ok found '31.05684', expected '31.05684', error '0.00000'
Test #32:
score: 0
Accepted
time: 103ms
memory: 11056kb
input:
20 0.14 0.33 0.14 0.39
output:
37.0670968885939
result:
ok found '37.06710', expected '37.06710', error '0.00000'
Test #33:
score: 0
Accepted
time: 112ms
memory: 10976kb
input:
20 0.125001 0.25 0.5 0.124999
output:
35.000000000000256
result:
ok found '35.00000', expected '35.00000', error '0.00000'
Test #34:
score: 0
Accepted
time: 106ms
memory: 10924kb
input:
20 0.01 0.34503 0.34503 0.29994
output:
32.96720352534544
result:
ok found '32.96720', expected '32.96720', error '0.00000'
Test #35:
score: 0
Accepted
time: 112ms
memory: 11068kb
input:
20 0.4 0.2 0.3 0.1
output:
36.959297167069415
result:
ok found '36.95930', expected '36.95930', error '0.00000'
Test #36:
score: 0
Accepted
time: 113ms
memory: 11036kb
input:
20 0.01 0.02 0.03 0.94
output:
8.324709688145461
result:
ok found '8.32471', expected '8.32471', error '0.00000'
Test #37:
score: 0
Accepted
time: 110ms
memory: 10940kb
input:
20 0.991 0.003 0.003 0.003
output:
2.121381821746063
result:
ok found '2.12138', expected '2.12138', error '0.00000'
Test #38:
score: 0
Accepted
time: 107ms
memory: 10916kb
input:
20 0.495 0.005 0.495 0.005
output:
21.67540136477302
result:
ok found '21.67540', expected '21.67540', error '0.00000'
Test #39:
score: 0
Accepted
time: 102ms
memory: 10996kb
input:
20 0.492 0.008 0.493 0.007
output:
22.322928144765687
result:
ok found '22.32293', expected '22.32293', error '0.00000'
Test #40:
score: 0
Accepted
time: 102ms
memory: 11044kb
input:
20 0.032 0.051 0.023 0.894
output:
12.985654969505523
result:
ok found '12.98565', expected '12.98565', error '0.00000'
Test #41:
score: 0
Accepted
time: 103ms
memory: 10996kb
input:
20 0.002 0.01 0.09 0.898
output:
10.761968792600772
result:
ok found '10.76197', expected '10.76197', error '0.00000'
Test #42:
score: 0
Accepted
time: 117ms
memory: 10880kb
input:
20 0.91 0.03 0.03 0.03
output:
11.642446903927866
result:
ok found '11.64245', expected '11.64245', error '0.00000'