CSES - Datatähti 2016 alku - Results
Submission details
Task:Lennot
Sender:Maunuliini
Submission time:2015-10-02 22:14:55
Language:Java
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.19 s1details
#2ACCEPTED0.20 s1details
#3ACCEPTED0.17 s1details
#4ACCEPTED0.18 s1details
#5ACCEPTED0.17 s1details
#60.21 s2details
#70.23 s2details
#80.23 s2details
#90.22 s2details
#100.21 s2details
#11--3details
#12--3details
#13--3details
#140.75 s3details
#15ACCEPTED0.65 s3details
#160.68 s3details
#170.78 s3details

Code

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */


/**
 *
 * @author alexey
 */
import java.util.*; 
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.NoSuchElementException;
import java.util.StringTokenizer;
public class Datatahti201641 {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        //  Scanner cfg=new Scanner(System.in);
        IO io =new IO();
        
        int city=io.nextInt();
        int connect=io.nextInt();
        long[][] cities = new long[city+1][2];
        int i=1;
       /* while(i<city+1){
            cities[i][0]=Long.MAX_VALUE;
            cities[i][1]=Long.MAX_VALUE;
            i++;
        }*/
        cities[1][0]=0;
        cities[1][1]=0;
      ArrayList<ArrayList<int[]>> connections= new  ArrayList<ArrayList<int[]>>();
      connections.add(new ArrayList());
        for (int j = 0; j < city; j++) {
            connections.add(new ArrayList<int[]>());
        }
        
        for (int j = 0; j < connect; j++) {
            int a=io.nextInt();
            int b=io.nextInt();
            int c=io.nextInt();
            int[] d =new int[2];
            d[0]=b;
            d[1]=c;
            connections.get(a).add(d);
        }
     
        Set check = new HashSet();
        Set check2 = new HashSet();
        
        check.add(1);
        while(true){
            for(Object b:check){
                int a=(Integer) b;
                for(int[] k:connections.get(a)){
                    long x=cities[k[0]][0];
                    long y=k[1]+cities[a][1];
                    
                    if(x>y||(cities[k[0]][0]==0)){
                        check2.add(k[0]);
                        cities[k[0]][0]=y;
                    }
                }
            }
            check.clear();
            if(check2.isEmpty()){
                break;
            }
          
            
            for(Object c:check2){
                int a= (Integer) c;
                for(int[] k:connections.get(a)){
                    long x=cities[k[0]][1];
                    long y=cities[a][0];
                    if(x>y||cities[k[0]][0]==0){
                        check.add(k[0]);
                        cities[k[0]][1]=y;
                    }
                }
            }
            
        if(check.isEmpty()){
                break;
            }
            check2.clear();
        }
        if(cities[city][0]==0){
            io.println(cities[city][1]);
        }else if(cities[city][1]==0){
            io.println(cities[city][0]);
        }else{
          io.println(Math.min(cities[city][0], cities[city][1]));  
        }
        
       io.close();
    }
    
static class IO extends PrintWriter {
	private BufferedReader r;
	private StringTokenizer s;
	
	public IO() {
		super(new BufferedOutputStream(System.out));
		r = new BufferedReader(new InputStreamReader(System.in));
	}
	
	public String nextLine() {
		String s = null;
		try {
			s = r.readLine();
		} catch (Exception e) {}
		if(s == null) throw new NoSuchElementException();
		return s;
	}
	
	public String next() {
		while (s == null || !s.hasMoreElements()) {
			s = new StringTokenizer(nextLine());
		}
		return s.nextToken();
	}
        public int nextInt() {
		return Integer.parseInt(next());
	}
}
}

Test details

Test 1

Group: 1

Verdict:

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

correct output
8

user output
13

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
17069423582

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
38361633813

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
4682517406

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
23671506378

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
8240151768

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
218010699834

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:

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

correct output
1124960

user output
1691226

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
1518070