Here is my whole program: https://pastebin.com/dqqGn0rn. Here is the part of the program where the overflow happens: https://pastebin.com/JCCj8knQ. I get this error on a test with a million nodes: https://pastebin.com/eCxBK4pf. Is perhaps the language is use (Java) the problem? Can I fix this without making it iteratively and without changing my language?↵
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EDIT: also, for the test on which it failes it says: time: 763 ms., memory: 252648 KB↵
EDIT2: link to the problem: https://codeforces.net/contest/1335/problem/F
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EDIT: also, for the test on which it failes it says: time: 763 ms., memory: 252648 KB↵
EDIT2: link to the problem: https://codeforces.net/contest/1335/problem/F
