CSES - DatatÃ¤hti 2016 alku - Results
 Task: Lennot Sender: siirikuoppala Submission time: 2015-10-09 19:04:01 Language: Python3 Status: READY Result: 0
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groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.12 s1details
#20.12 s1details
#30.12 s1details
#40.11 s1details
#50.12 s1details
#60.15 s2details
#70.15 s2details
#80.14 s2details
#90.16 s2details
#100.15 s2details
#11--3details
#12--3details
#13--3details
#14--3details
#15--3details
#16--3details
#17--3details

### Code

```'''
Created on 9.10.2015

@author: siiri
'''
from queue import PriorityQueue
inf=999999999

n,m=map(int,input().split())
yht=[]
for i in range(m):
yht.append(list(map(int, input().split())))

a=[]
b=[]
c=[]
d=[]
for i in range(n+1):
a.append([])
b.append(2**62)
c.append(False)
d.append(False)
for mist,minn,h in yht:
a[mist].append([h, minn])

keko=PriorityQueue()
keko.put((0,1))

while not keko.empty():
hinta1, kaupunki=keko.get()
if c[kaupunki]: continue
c[kaupunki]=True
for hinta2,minne in a[kaupunki]:
hintasumma=hinta1+hinta2
if d[kaupunki]: hintasumma=hinta1
d[minne]=not d[kaupunki]
b[minne]=hintasumma
for hint,minne2 in a[minne]:
if hintasumma<b[minne2]:
if not d[kaupunki]: hintasumma+=hint
d[minne2]=d[kaupunki]
b[minne]=hintasumma
keko.put((hintasumma, minne2))

print(b[n])

```

### Test details

Group: 1

Verdict:

input
10 20
2 1 3
7 6 4
1 6 7
1 6 1
...

correct output
8

user output
30

Group: 1

Verdict:

input
10 20
4 3 10
1 10 9
3 4 10
2 6 7
...

correct output
9

user output
14

Group: 1

Verdict:

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

correct output
8

user output
30

Group: 1

Verdict:

input
10 20
1 6 2
5 3 3
7 3 6
5 6 2
...

correct output
13

user output
14

Group: 1

Verdict:

input
10 20
10 8 5
2 4 7
9 4 7
9 4 1
...

correct output
4

user output
14

#### Test 6

Group: 2

Verdict:

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

correct output
11893353673

user output
3622631662

#### Test 7

Group: 2

Verdict:

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

correct output
30248963445

user output
13054635836

#### Test 8

Group: 2

Verdict:

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

correct output
3126797692

user output
7678277871

#### Test 9

Group: 2

Verdict:

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

correct output
18416073173

user output
1949925606

#### Test 10

Group: 2

Verdict:

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

correct output
6399349335

user output
4611686018427387904

#### Test 11

Group: 3

Verdict:

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

correct output
518249578675

user output
(empty)

#### Test 12

Group: 3

Verdict:

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

correct output
920862321580

user output
(empty)

#### Test 13

Group: 3

Verdict:

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

correct output
399407698440

user output
(empty)

#### Test 14

Group: 3

Verdict:

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

correct output
165235287505

user output
(empty)

Group: 3

Verdict:

input
99993 199980
1 3 1
3 2 1
1 4 1
4 2 1
...

correct output
2

user output
(empty)

#### Test 16

Group: 3

Verdict:

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

correct output
1124960

user output
(empty)

#### Test 17

Group: 3

Verdict:

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

correct output
110298

user output
(empty)