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In an undirected unweighted graph, an edge of the graph is said to be lucky if it is a part of some cycle of the graph.
You are given a list E of M edges. We define f(i) as the number of intervals [l, r] (1 ≤ l ≤ i ≤ r ≤ M) such that if you build a graph from edges El, El+1, ..., Er, the edge Ei will be a lucky edge in this graph.
Your task is to calculate the values of f(1), f(2), ..., f(M).
The first line of the input contains an integer T denoting the number of test cases.
The first line of each test case contains a single integer M denoting the number of edges.
Each of the next M lines contains two space-separated integers ui and vi denoting that i-th edge connects nodes ui and vi.
For each test case, output a single line containing M integers, i-th of which should be value of f(i).
- 1 ≤ T ≤ 50
- 1 ≤ M ≤ 5,000
- 1 ≤ sum of M over all test-cases ≤ 20,000
- 1 ≤ ui, vi ≤ 10,000
- ui ≠ vi
- Subtask #1 (10 points): M ≤ 200 and sum of M ≤ 2,300
- Subtask #2 (20 points): M ≤ 1,000 and sum of M ≤ 4,000
- Subtask #3 (70 points): Original constraints
Input: 2 3 1 2 3 4 2 1 5 1 2 2 3 3 4 1 4 4 2 Output: 1 0 1 2 3 3 2 2
|Tags||dfs, fudail, hard, oct17, tree-dp|
|Time Limit:||2 sec|
|Source Limit:||50000 Bytes|
|Languages:||C, CPP14, JAVA, PYTH, PYTH 3.6, PYPY, CS2, PAS fpc, PAS gpc, RUBY, PHP, GO, NODEJS, HASK, rust, SCALA, swift, D, PERL, FORT, WSPC, ADA, CAML, ICK, BF, ASM, CLPS, PRLG, ICON, SCM qobi, PIKE, ST, NICE, LUA, BASH, NEM, LISP sbcl, LISP clisp, SCM guile, JS, ERL, TCL, kotlin, PERL6, TEXT, SCM chicken, CLOJ, COB, FS|
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