CSES - Datatähti 2016 peili

Submission details
Task:	Lennot
Sender:	eax255
Submission time:	2015-10-11 18:01:59 +0300
Language:	Python3
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	WRONG ANSWER	0
#2	WRONG ANSWER	0
#3	WRONG ANSWER	0

Test results
test	verdict	time	group
#1	WRONG ANSWER	0.09 s	1	details
#2	WRONG ANSWER	0.09 s	1	details
#3	WRONG ANSWER	0.09 s	1	details
#4	WRONG ANSWER	0.08 s	1	details
#5	RUNTIME ERROR	0.09 s	1	details
#6	WRONG ANSWER	0.10 s	2	details
#7	WRONG ANSWER	0.09 s	2	details
#8	WRONG ANSWER	0.10 s	2	details
#9	WRONG ANSWER	0.10 s	2	details
#10	RUNTIME ERROR	0.10 s	2	details
#11	WRONG ANSWER	0.82 s	3	details
#12	WRONG ANSWER	0.82 s	3	details
#13	RUNTIME ERROR	0.58 s	3	details
#14	WRONG ANSWER	0.55 s	3	details
#15	WRONG ANSWER	0.43 s	3	details
#16	WRONG ANSWER	0.57 s	3	details
#17	WRONG ANSWER	0.71 s	3	details

Code

from heapq import *
from sys import stdin
n,m = map(int, stdin.readline().split(" "))
Lennot = [[] for i in range((n+1))]
for l in stdin.readlines():
	a,b,h = l.split()
	Lennot[int(a)].append( (int(b)*2,int(h)) )
H = [-1]*(2*n+2)
H[1] = 0
L = [(h,1,b) for b,h in Lennot[2]]
heapify(L)
while H[2*n+1] == -1 and H[2*n] == -1:
	h,par,b = heappop(L)
	if H[b+par] == -1:
		H[b+par] = h
		b//=2
		if par:
			[heappush(L,(h,0,bn)) for bn,hn in Lennot[b] if H[bn] == -1]
		else:
			[heappush(L,(h+hn,1,bn)) for bn,hn in Lennot[b] if H[bn+1] == -1]
if H[2*n] == - 1:
	print(H[2*n+1])
elif H[2*n+1] == -1:
	print(H[2*n])
else:
	print(min(H[2*n+1],H[2*n]))

Test details

Test 1

Group: 1

Verdict: WRONG ANSWER

input
`10 20 2 1 3 7 6 4 1 6 7 1 6 1 ...` view save

correct output
`8` view save

user output
`7` view save

Test 2

Group: 1

Verdict: WRONG ANSWER

input
`10 20 4 3 10 1 10 9 3 4 10 2 6 7 ...` view save

correct output
`9` view save

user output
`7` view save

Test 3

Group: 1

Verdict: WRONG ANSWER

input
`10 20 5 7 4 6 1 1 7 3 8 8 4 2 ...` view save

correct output
`8` view save

user output
`2` view save

Test 4

Group: 1

Verdict: WRONG ANSWER

input
`10 20 1 6 2 5 3 3 7 3 6 5 6 2 ...` view save

correct output
`13` view save

user output
`2` view save

Test 5

Group: 1

Verdict: RUNTIME ERROR

input
`10 20 10 8 5 2 4 7 9 4 7 9 4 1 ...` view save

correct output
`4` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 13, in <module>
    h,par,b = heappop(L)
IndexError: index out of range

Test 6

Group: 2

Verdict: WRONG ANSWER

input
`1000 2000 91 828 365044406 17 984 445675537 251 852 100987451 907 487 58830088 ...` view save

correct output
`11893353673` view save

user output
`15690499511` view save

Test 7

Group: 2

Verdict: WRONG ANSWER

input
`1000 2000 722 939 530579090 404 606 268877348 133 750 760086153 506 46 582310443 ...` view save

correct output
`30248963445` view save

user output
`16556460403` view save

Test 8

Group: 2

Verdict: WRONG ANSWER

input
`1000 2000 340 237 43690066 217 141 453160975 744 202 639037814 605 926 404985542 ...` view save

correct output
`3126797692` view save

user output
`735792415` view save

Test 9

Group: 2

Verdict: WRONG ANSWER

input
`1000 2000 88 312 190442306 480 402 411574469 29 901 397491243 636 459 323246996 ...` view save

correct output
`18416073173` view save

user output
`33071215745` view save

Test 10

Group: 2

Verdict: RUNTIME ERROR

input
`1000 2000 333 228 718389176 796 286 323493090 743 43 751876815 128 554 175625940 ...` view save

correct output
`6399349335` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 13, in <module>
    h,par,b = heappop(L)
IndexError: index out of range

Test 11

Group: 3

Verdict: WRONG ANSWER

input
`100000 200000 28264 92686 186865663 92570 33956 925976418 87377 71249 644757113 16701 81203 922125505 ...` view save

correct output
`518249578675` view save

user output
`880059208814` view save

Test 12

Group: 3

Verdict: WRONG ANSWER

input
`100000 200000 95740 71482 846654568 44131 16806 670712211 3967 49254 424174139 39369 53007 830346557 ...` view save

correct output
`920862321580` view save

user output
`847692149921` view save

Test 13

Group: 3

Verdict: RUNTIME ERROR

input
`100000 200000 79947 25489 71554257 59184 25577 328436360 82945 73554 4942918 22380 92385 874250042 ...` view save

correct output
`399407698440` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 13, in <module>
    h,par,b = heappop(L)
IndexError: index out of range

Test 14

Group: 3

Verdict: WRONG ANSWER

input
`100000 200000 31139 12960 580545990 27744 95556 747296719 46969 42578 840321561 5638 28960 513805324 ...` view save

correct output
`165235287505` view save

user output
`51853130713` view save

Test 15

Group: 3

Verdict: WRONG ANSWER

input
`99993 199980 1 3 1 3 2 1 1 4 1 4 2 1 ...` view save

correct output
`2` view save

user output
`1` view save

Test 16

Group: 3

Verdict: WRONG ANSWER

input
`100000 149994 93867 98509 1755709 85029 99843 1347591 10305 35305 6447 75638 80585 1829972 ...` view save

correct output
`1124960` view save

user output
`1175029` view save

Test 17

Group: 3

Verdict: WRONG ANSWER

input
`100000 200000 70413 71496 49 15963 40963 18635 81291 89420 1850028 8848 33848 17316 ...` view save

correct output
`110298` view save

user output
`102609` view save

Datatähti 2016 peili

Lennot

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Tasks

Submissions (eax255)