Submission #714561
Source Code Expand
n = gets.to_i $a = [] $fa = [false] * (n+1) (n+1).times do $a << [] end (n-1).times do s, e = gets.split.map(&:to_i) $a[s] << e $a[e] << s end def solve(i) $fa[i] = true s = b = 1 $a[i].each do |ai| next if $fa[ai] ns, nb = solve(ai) s *= ns b *= nb end return [s+b, s] end p solve(1)[0] % (10**9+7)
Submission Info
Submission Time | |
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Task | D - 塗り絵 |
User | iehn |
Language | Ruby (2.3.3) |
Score | 100 |
Code Size | 359 Byte |
Status | AC |
Exec Time | 426 ms |
Memory | 18044 KB |
Judge Result
Set Name | All | ||
---|---|---|---|
Score / Max Score | 100 / 100 | ||
Status |
|
Set Name | Test Cases |
---|---|
All | 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, 012.txt, 013.txt, 014.txt, 015.txt, 016.txt, 017.txt, 018.txt, 019.txt, 020.txt, 021.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
000.txt | AC | 18 ms | 1788 KB |
001.txt | AC | 17 ms | 1788 KB |
002.txt | AC | 319 ms | 15612 KB |
003.txt | AC | 398 ms | 15484 KB |
004.txt | AC | 268 ms | 11772 KB |
005.txt | AC | 400 ms | 16508 KB |
006.txt | AC | 369 ms | 15356 KB |
007.txt | AC | 406 ms | 18044 KB |
008.txt | AC | 290 ms | 13692 KB |
009.txt | AC | 399 ms | 15996 KB |
010.txt | AC | 293 ms | 12668 KB |
011.txt | AC | 403 ms | 14588 KB |
012.txt | AC | 242 ms | 9468 KB |
013.txt | AC | 426 ms | 15996 KB |
014.txt | AC | 200 ms | 9212 KB |
015.txt | AC | 398 ms | 17276 KB |
016.txt | AC | 252 ms | 12284 KB |
017.txt | AC | 394 ms | 15612 KB |
018.txt | AC | 86 ms | 4860 KB |
019.txt | AC | 402 ms | 17020 KB |
020.txt | AC | 55 ms | 3196 KB |
021.txt | AC | 397 ms | 15868 KB |