CSES - Datatähti 2016 alku - Results
Submission details
Task:Lennot
Sender:Hansuzu
Submission time:2015-09-30 10:08:30
Language:C++
Status:READY
Result:24
Feedback
groupverdictscore
#1ACCEPTED24
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.05 s1details
#2ACCEPTED0.06 s1details
#3ACCEPTED0.06 s1details
#4ACCEPTED0.06 s1details
#5ACCEPTED0.06 s1details
#60.06 s2details
#70.05 s2details
#80.05 s2details
#90.06 s2details
#100.05 s2details
#110.17 s3details
#120.18 s3details
#130.16 s3details
#140.12 s3details
#15ACCEPTED0.09 s3details
#16ACCEPTED0.14 s3details
#17ACCEPTED0.17 s3details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:26:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i=0; i<q.size(); ++i){
                  ^
input/code.cpp:32:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int j=0; j<lt[c].size(); ++j){
                    ^

Code

#include <iostream>
#include <vector>
#define F first
#define S second
using namespace std;
int n, m;

int mn[101010][2];
vector<pair<int, int> > lt[101010];


int main(){
  ios_base::sync_with_stdio(0); cin.tie(0);
  for (int i=0; i<101010; ++i) for (int j=0; j<2; ++j) mn[i][j]=2000000000;
  
  
  cin >> n >> m;
  for (int i=0; i<m; ++i){
    int a, b, h;
    cin >> a >> b >> h;
    lt[a].push_back(make_pair(b, h));
  }
  
  vector<pair<pair<int, int>, int> > q; 
  q.push_back(make_pair(make_pair(1, 1), 0));
  for (int i=0; i<q.size(); ++i){
    int c=q[i].F.F;
    int p=q[i].F.S;
    int h=q[i].S;
    if (mn[c][p]<=h) continue;
    mn[c][p]=h;
    for (int j=0; j<lt[c].size(); ++j){
      q.push_back(make_pair(make_pair(lt[c][j].F, !p), h+p*lt[c][j].S));
    }
  }
  cout << min(mn[n][0], mn[n][1]) << "\n";
}

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
-1832765278

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
-932797315

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
-2028267547

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
-1600976254

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
-279979299

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
-46045670

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
-1645487955

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
-1699450438

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
-2021865204

Test 15

Group: 3

Verdict: ACCEPTED

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

correct output
2

user output
2

Test 16

Group: 3

Verdict: ACCEPTED

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

correct output
1124960

user output
1124960

Test 17

Group: 3

Verdict: ACCEPTED

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

correct output
110298

user output
110298