Submission #993673
Source Code Expand
n, m = map(int, raw_input().split()) g = [[] for i in xrange(m)] for i in xrange(n): ipt = map(int, raw_input().split()) k = ipt[0] for e in ipt[1:]: g[e-1].append(i) parent = range(n) def root(x): if x == parent[x]: return x parent[x] = root(parent[x]) return parent[x] def unite(x, y): px = root(x) py = root(y) if px < py: parent[py] = px elif px > py: parent[px] = py return min(px, py) for e in g: for i in xrange(len(e)-1): unite(e[i], e[i+1]) for i in xrange(n): root(i) print "YES"*(sum(parent) == 0) or "NO"
Submission Info
Submission Time | |
---|---|
Task | C - Interpretation |
User | yaketake08 |
Language | Python (2.7.6) |
Score | 400 |
Code Size | 636 Byte |
Status | AC |
Exec Time | 538 ms |
Memory | 16872 KB |
Judge Result
Set Name | sample | dataset1 | dataset2 | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 200 / 200 | 200 / 200 | ||||||
Status |
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|
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Set Name | Test Cases |
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sample | sample-01.txt, sample-02.txt |
dataset1 | sample-01.txt, sample-02.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt |
dataset2 | sample-01.txt, sample-02.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 02-01.txt, 02-02.txt, 02-03.txt, 02-04.txt, 02-05.txt, 02-06.txt, 02-07.txt, 02-08.txt, 02-09.txt, 02-10.txt, 02-11.txt, 02-12.txt, 02-13.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01-01.txt | AC | 16 ms | 2696 KB |
01-02.txt | AC | 17 ms | 2696 KB |
01-03.txt | AC | 20 ms | 2696 KB |
01-04.txt | AC | 20 ms | 2696 KB |
01-05.txt | AC | 20 ms | 2696 KB |
01-06.txt | AC | 19 ms | 2696 KB |
01-07.txt | AC | 19 ms | 2696 KB |
01-08.txt | AC | 19 ms | 2696 KB |
01-09.txt | AC | 19 ms | 2696 KB |
01-10.txt | AC | 21 ms | 2696 KB |
02-01.txt | AC | 194 ms | 13800 KB |
02-02.txt | AC | 493 ms | 9476 KB |
02-03.txt | AC | 199 ms | 9192 KB |
02-04.txt | AC | 393 ms | 15720 KB |
02-05.txt | AC | 449 ms | 9220 KB |
02-06.txt | AC | 397 ms | 15720 KB |
02-07.txt | AC | 477 ms | 9732 KB |
02-08.txt | AC | 465 ms | 8964 KB |
02-09.txt | AC | 538 ms | 16872 KB |
02-10.txt | AC | 298 ms | 12120 KB |
02-11.txt | AC | 297 ms | 12100 KB |
02-12.txt | AC | 308 ms | 11984 KB |
02-13.txt | AC | 309 ms | 11984 KB |
sample-01.txt | AC | 16 ms | 2696 KB |
sample-02.txt | AC | 16 ms | 2696 KB |