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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#507224 | #5253. Denormalization | ucup-team1525# | WA | 23ms | 10944kb | Python3 | 800b | 2024-08-06 13:59:45 | 2024-08-06 13:59:46 |
Judging History
answer
import math
from copy import deepcopy
# check norm
def check_norm(D, ans):
n = len(D)
norm_ans = math.sqrt(sum([x**2 for x in ans]))
for i in range(n):
if math.fabs(ans[i] / norm_ans - D[i]) > 1e-6:
return False
return True
n = int(input())
D = []
for i in range(n):
x = float(input())
D.append(x)
D2 = deepcopy(D)
mn = min(D)
for i in range(n):
D[i] /= mn
for K in range(1, 10001):
A = []
for i in range(n):
A.append(int(D[i] * K))
gcd = A[0]
for i in range(1, n):
gcd = math.gcd(gcd, A[i])
for i in range(n):
A[i] //= gcd
if (check_norm(D2, A)):
for x in A:
print(x)
exit(0)
assert(False)
Details
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Test #1:
score: 100
Accepted
time: 11ms
memory: 10876kb
input:
2 0.909840249060 0.414958698174
output:
1423 649
result:
ok good solution
Test #2:
score: 0
Accepted
time: 11ms
memory: 10944kb
input:
3 0.005731604132 0.696198848562 0.717826101486
output:
22 2672 2755
result:
ok good solution
Test #3:
score: -100
Wrong Answer
time: 23ms
memory: 10904kb
input:
10 0.338936215010 0.390914583549 0.048893426174 0.446152513833 0.137891103101 0.017985796057 0.459132554353 0.201452557127 0.362800863500 0.358493585479
output:
74153 85525 10697 97610 30168 3935 100450 44074 79374 78432
result:
wrong answer Integer parameter [name=r_i] equals to 74153, violates the range [1, 10000]