제출 #143992

3 3
1 3 -7
2 3 5
1 2 7

0

-2

4 4
2 4 -65
1 2 34
1 3 -83
1 4 5

-44

-143

4 5
2 3 -2
3 4 1
2 4 3
1 4 1
1 2 5

4

0

3 2
2 3 -4
1 3 -22

런타임 에러 (RTE)
stderr:
 Exception in thread "main" java.lang.NullPointerException: Cannot read field "dest" because "<local12>" is null
	at Main.main(Main.java:48)

-26

4 3
3 4 70
2 3 9
1 4 30

런타임 에러 (RTE)
stderr:
 Exception in thread "main" java.lang.NullPointerException: Cannot read field "dest" because "<local12>" is null
	at Main.main(Main.java:48)

109

4 3
1 4 -1
2 3 -1
2 4 1

런타임 에러 (RTE)
stderr:
 Exception in thread "main" java.lang.NullPointerException: Cannot read field "dest" because "<local12>" is null
	at Main.main(Main.java:48)

-1