CSES - DatatÃ¤hti 2016 alku - Results
 Task: Lennot Sender: juhoh Submission time: 2015-09-30 17:13:33 Language: C++ Status: READY Result: 24
Feedback
groupverdictscore
#1ACCEPTED24
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.05 s1details
#2ACCEPTED0.06 s1details
#3ACCEPTED0.05 s1details
#4ACCEPTED0.05 s1details
#5ACCEPTED0.06 s1details
#60.05 s2details
#70.05 s2details
#80.05 s2details
#90.05 s2details
#100.06 s2details
#110.15 s3details
#120.13 s3details
#130.14 s3details
#140.13 s3details
#150.12 s3details
#160.13 s3details
#170.14 s3details

### Code

```#include <iostream>
#include <algorithm>
#include <cstring>
#include <vector>
#include <queue>

using namespace std;

typedef signed long long int ll;

const int N = 10000;

vector<pair<ll, ll> > vertices[2*N];
priority_queue<pair<ll, ll>, vector<pair<ll, ll> >, greater<pair<ll, ll> > > todo;
ll visited[2*N], distances[2*N];

int main() {

int n, m;

cin >> n >> m;
for (int i = 0; i < m; ++i) {
int a, b, h;
cin >> a >> b >> h;
vertices[a-1].push_back(pair<ll, ll>(b-1+n, h));
vertices[a-1+n].push_back(pair<ll, ll>(b-1, 0));
}

for (int i = 0; i < 2*n; i++) {
distances[i] = 1000000000;
}

distances[0] = 0;
todo.push(make_pair(0,0));
while (!todo.empty()) {

ll dist = todo.top().first;
ll s = todo.top().second;

todo.pop();
if (visited[s]) {
continue;
}
visited[s] = 1;

for (size_t i = 0; i < vertices[s].size(); i++) {

ll u = vertices[s][i].first;

if (dist + vertices[s][i].second < distances[u]) {
distances[u] = dist + vertices[s][i].second;
todo.push(make_pair(distances[u], u));
}
}
}

cout << min(distances[n-1], distances[2*n-1]) << endl;

return 0;
}
```

### Test details

#### Test 1

Group: 1

Verdict: ACCEPTED

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

correct output
8

user output
8

#### Test 2

Group: 1

Verdict: ACCEPTED

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

correct output
9

user output
9

#### Test 3

Group: 1

Verdict: ACCEPTED

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

correct output
8

user output
8

#### Test 4

Group: 1

Verdict: ACCEPTED

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

correct output
13

user output
13

#### Test 5

Group: 1

Verdict: ACCEPTED

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

correct output
4

user output
4

#### 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
1000000000

#### 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
1000000000

#### 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
1000000000

#### 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
1000000000

#### 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
1000000000

#### 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)