CSES - Datatähti 2016 alku

CSES - Datatähti 2016 alku - Results

Submission details
Task:	Lennot
Sender:	rxz9000
Submission time:	2015-10-03 04:15:33 +0300
Language:	Java
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	WRONG ANSWER	0
#2	TIME LIMIT EXCEEDED	0
#3	TIME LIMIT EXCEEDED	0

Test results
test	verdict	time	group
#1	WRONG ANSWER	0.18 s	1	details
#2	RUNTIME ERROR	0.19 s	1	details
#3	ACCEPTED	0.18 s	1	details
#4	WRONG ANSWER	0.17 s	1	details
#5	RUNTIME ERROR	0.17 s	1	details
#6	TIME LIMIT EXCEEDED	--	2	details
#7	TIME LIMIT EXCEEDED	--	2	details
#8	TIME LIMIT EXCEEDED	--	2	details
#9	TIME LIMIT EXCEEDED	--	2	details
#10	RUNTIME ERROR	0.21 s	2	details
#11	TIME LIMIT EXCEEDED	--	3	details
#12	TIME LIMIT EXCEEDED	--	3	details
#13	TIME LIMIT EXCEEDED	--	3	details
#14	TIME LIMIT EXCEEDED	--	3	details
#15	TIME LIMIT EXCEEDED	--	3	details
#16	TIME LIMIT EXCEEDED	--	3	details
#17	TIME LIMIT EXCEEDED	--	3	details

Code

import java.util.*;
 
public class LennotTehtava {
 
    public static void main(String[] args) {
        IO io = new IO();
 
        int numberOfCities = io.nextInt();
        int numberOfFlights = io.nextInt();
 
        HashMap<Integer, HashMap<Integer, Integer>> flights = new HashMap<>();
 
        for (int i = 0; i < numberOfFlights; i++) {
            int from = io.nextInt();
            if (!flights.containsKey(from)) {
                flights.put(from, new HashMap<Integer, Integer>());
            }
            int to = io.nextInt();
            int cost = io.nextInt();
            flights.get(from).put(to, cost);
        }
        
        LinkedList visitedCities = new LinkedList();
        visitedCities.add(1);
        System.out.println(routeCost(flights, visitedCities, 1, numberOfCities, 0, false));
    }
 
    public static long routeCost(
            HashMap<Integer, HashMap<Integer, Integer>> flights,
            LinkedList visitedCities,
            int currentCity,
            int destination,
            long currentCost,
            boolean free) {
 
        if (currentCity == destination) {
            visitedCities.removeLast();
            return currentCost;
        }
 
        long minimumCost = Long.MAX_VALUE;
 
        for (Integer nextCity : flights.get(currentCity).keySet()) {
            long totalCost = currentCost;
            if (visitedCities.contains(nextCity)) {
                continue;
            }
            visitedCities.add(nextCity);
            if (free) {
                totalCost += routeCost(flights, visitedCities, nextCity,
                    destination, 0, false);
            } else {
                totalCost += routeCost(flights, visitedCities, nextCity,
                    destination, flights.get(currentCity).get(nextCity), true);
            }
 
            if (totalCost < minimumCost) {
                minimumCost = totalCost;
            }
        }
        
        visitedCities.removeLast();
        return minimumCost;
    }
}

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
`10` view save

Test 2

Group: 1

Verdict: RUNTIME ERROR

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

correct output
`9` view save

user output
(empty)

Error:

Exception in thread "main" java.lang.NullPointerException
	at LennotTehtava.routeCost(LennotTehtava.java:44)
	at LennotTehtava.routeCost(LennotTehtava.java:54)
	at LennotTehtava.routeCost(LennotTehtava.java:51)
	at LennotTehtava.routeCost(LennotTehtava.java:54)
	at LennotTehtava.routeCost(LennotTehtava.java:51)
	at LennotTehtava.routeCost(LennotTehtava.java:54)
	at LennotTehtava.main(LennotTehtava.java:26)

Test 3

Group: 1

Verdict: ACCEPTED

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

correct output
`8` view save

user output
`8` 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
`14` 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:

Exception in thread "main" java.lang.NullPointerException
	at LennotTehtava.routeCost(LennotTehtava.java:44)
	at LennotTehtava.routeCost(LennotTehtava.java:51)
	at LennotTehtava.routeCost(LennotTehtava.java:54)
	at LennotTehtava.routeCost(LennotTehtava.java:51)
	at LennotTehtava.routeCost(LennotTehtava.java:54)
	at LennotTehtava.routeCost(LennotTehtava.java:51)
	at LennotTehtava.routeCost(LennotTehtava.java:54)
	at LennotTehtava.main(LennotTehtava.java:26)

Test 6

Group: 2

Verdict: TIME LIMIT EXCEEDED

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

correct output
`11893353673` view save

user output
(empty)

Test 7

Group: 2

Verdict: TIME LIMIT EXCEEDED

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

correct output
`30248963445` view save

user output
(empty)

Test 8

Group: 2

Verdict: TIME LIMIT EXCEEDED

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

correct output
`3126797692` view save

user output
(empty)

Test 9

Group: 2

Verdict: TIME LIMIT EXCEEDED

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

correct output
`18416073173` view save

user output
(empty)

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:

Exception in thread "main" java.lang.NullPointerException
	at LennotTehtava.routeCost(LennotTehtava.java:44)
	at LennotTehtava.routeCost(LennotTehtava.java:51)
	at LennotTehtava.routeCost(LennotTehtava.java:54)
	at LennotTehtava.routeCost(LennotTehtava.java:51)
	at LennotTehtava.routeCost(LennotTehtava.java:54)
	at LennotTehtava.routeCost(LennotTehtava.java:51)
	at LennotTehtava.routeCost(LennotTehtava.java:54)
	at LennotTehtava.routeCost(LennotTehtava.java:51)
	at LennotTehtava.routeCost(LennotTehtava.java:54)
	at LennotTehtava.routeCost(LennotTehtava.java:51)
	at LennotTehtava.routeCost(LennotTehtava.java:54)
	at LennotTehtava.routeCost(LennotTehtava.java:51)
	at LennotTehtava.routeCost(LennotTehtava.java:54)
	at LennotTehtava.routeCost(LennotTehtava.java:51)
	at LennotTehtava.routeCost(LennotTehtava.java:54)
	at LennotTehtava.routeCost(LennotTehtava.java:51)
	at LennotTehtava.routeCost(LennotTehtava.java:54)
	at LennotTehtava.routeCost(LennotTehtava.java:51)
	at LennotTehtava.routeC...

Test 11

Group: 3

Verdict: TIME LIMIT EXCEEDED

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

correct output
`518249578675` view save

user output
(empty)

Test 12

Group: 3

Verdict: TIME LIMIT EXCEEDED

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

correct output
`920862321580` view save

user output
(empty)

Test 13

Group: 3

Verdict: TIME LIMIT EXCEEDED

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)

Test 14

Group: 3

Verdict: TIME LIMIT EXCEEDED

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

correct output
`165235287505` view save

user output
(empty)

Test 15

Group: 3

Verdict: TIME LIMIT EXCEEDED

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

correct output
`2` view save

user output
(empty)

Test 16

Group: 3

Verdict: TIME LIMIT EXCEEDED

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

correct output
`1124960` view save

user output
(empty)

Test 17

Group: 3

Verdict: TIME LIMIT EXCEEDED

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

correct output
`110298` view save

user output
(empty)

Datatähti 2016 alku

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 (rxz9000)