Best solutions for Is it a Tree?

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100 / 100
AC | C++11
Bobliu
on Sept. 30, 2018, 10:38 p.m.
0.27s
1.59 MB
100 / 100
AC | C++11
luciocf
on May 22, 2018, 10:12 p.m.
0.27s
1.66 MB
100 / 100
AC | C++11
1419903188
on Aug. 11, 2018, 11:38 a.m.
0.27s
1.66 MB
100 / 100
AC | C++14
nicoella
on May 19, 2019, 9:03 p.m.
0.27s
1.64 MB
100 / 100
AC | C++11
alihu264
on March 3, 2020, 5:20 p.m.
0.28s
1.64 MB
100 / 100
AC | C++11
I_use_a_pc
on Oct. 5, 2018, 2:43 a.m.
0.28s
1.64 MB
100 / 100
AC | C++14
Jialing_Jiao
on Oct. 13, 2018, 8:46 p.m.
0.29s
1.65 MB
100 / 100
AC | C++11
Wobert
on Oct. 1, 2018, 11:59 p.m.
0.29s
1.65 MB
100 / 100
AC | C++14
YaySushi
on April 23, 2020, 12:18 a.m.
0.29s
1.73 MB
100 / 100
AC | C++14
kdrkdr
on April 6, 2020, 8:15 p.m.
0.29s
1.70 MB
100 / 100
AC | C++14
jyzh1248
on Sept. 14, 2017, 12:38 a.m.
0.29s
1.59 MB
100 / 100
AC | C++11
Firebrand
on March 25, 2019, 12:47 a.m.
0.30s
1.63 MB
100 / 100
AC | C++14
crackersamdjam
on Oct. 7, 2018, 1:31 a.m.
0.30s
1.66 MB
100 / 100
AC | C++11
ojgirl
on Sept. 30, 2018, 11:35 p.m.
0.30s
1.64 MB
100 / 100
AC | C++11
bartpuup
on Jan. 24, 2019, 10:18 p.m.
0.30s
1.66 MB
100 / 100
AC | C++14
anasschoukri2
on Feb. 28, 2018, 11:39 a.m.
0.31s
1.66 MB
100 / 100
AC | C++11
owenzhu2012
on Nov. 15, 2018, 7:43 p.m.
0.31s
1.65 MB
100 / 100
AC | C++14
Joon7891
on Feb. 2, 2019, 7:52 p.m.
0.32s
1.66 MB
100 / 100
AC | C++11
helloPurpose
on April 3, 2018, 3:07 a.m.
0.32s
1.66 MB
100 / 100
AC | C++11
chfrn
on Nov. 16, 2018, 4:22 p.m.
0.32s
1.65 MB
100 / 100
AC | C++14
albertlai431
on Nov. 13, 2017, 11:56 p.m.
0.32s
1.23 MB
100 / 100
AC | C++11
jjjding2
on Sept. 30, 2018, 5:23 p.m.
0.33s
1.66 MB
100 / 100
AC | C++11
FetalBagel
on Sept. 30, 2018, 11:13 p.m.
0.34s
1.65 MB
100 / 100
AC | C++11
zxyl
on Oct. 1, 2018, 6:05 p.m.
0.34s
1.65 MB
100 / 100
AC | C++14
ApoapsisAlpha
on Feb. 3, 2019, 10:09 p.m.
0.34s
1.65 MB
100 / 100
AC | PY2
aeternalis1
on Jan. 30, 2021, 8:38 p.m.
0.35s
6.49 MB
100 / 100
AC | C++14
shirleyzhangbj
on Sept. 30, 2018, 6:03 p.m.
0.35s
1.65 MB
100 / 100
AC | C++11
danyang0108
on Oct. 6, 2018, 7:55 p.m.
0.36s
1.64 MB
100 / 100
AC | C++11
ericlong2
on June 9, 2019, 6:17 p.m.
0.36s
1.63 MB
100 / 100
AC | C++11
imasheepow
on May 24, 2019, 7:48 p.m.
0.37s
1.63 MB
100 / 100
AC | C++11
echofox
on March 21, 2018, 2:33 p.m.
0.37s
1.66 MB
100 / 100
AC | C++11
pun_sama
on June 12, 2019, 7:19 p.m.
0.37s
1.64 MB
100 / 100
AC | C++14
alvin123321
on Jan. 1, 2020, 6:49 p.m.
0.38s
1.62 MB
100 / 100
AC | C++11
TheCool1James
on Nov. 4, 2017, 11:30 p.m.
0.38s
1.23 MB
100 / 100
AC | C++11
kugelblitz
on Oct. 6, 2018, 7:08 p.m.
0.38s
1.64 MB
100 / 100
AC | PY2
EpicChadGamer
on Oct. 4, 2020, 10:26 p.m.
0.39s
6.45 MB
100 / 100
AC | C++11
tincan
on Sept. 8, 2019, 12:40 a.m.
0.41s
1.63 MB
100 / 100
AC | C++14
umm
on Sept. 9, 2019, 4:46 p.m.
0.41s
1.63 MB
100 / 100
AC | C++14
Bang
on Nov. 18, 2017, 3:36 p.m.
0.42s
1.23 MB
100 / 100
AC | C++11
insect
on Nov. 20, 2017, 2:45 a.m.
0.42s
1.58 MB
100 / 100
AC | C++14
Roynaruto
on Nov. 11, 2017, 8:26 p.m.
0.43s
1.23 MB
100 / 100
AC | C++14
ethanzjl
on Nov. 18, 2017, 3:44 p.m.
0.43s
1.23 MB
100 / 100
AC | C++14
tiffie44
on Sept. 12, 2017, 1:08 a.m.
0.43s
1.59 MB
100 / 100
AC | C++11
AussieSeaweed
on May 12, 2018, 4:27 a.m.
0.44s
1.65 MB
100 / 100
AC | C++14
CppStarter
on Oct. 13, 2018, 5:08 p.m.
0.44s
1.66 MB
100 / 100
AC | C++14
Dingledooper
on Jan. 20, 2020, 5:08 a.m.
0.44s
1.66 MB
100 / 100
AC | C++11
Rimuru
on Oct. 30, 2018, 2:29 p.m.
0.44s
1.65 MB
100 / 100
AC | C
davidgur
on May 25, 2019, 7:31 p.m.
0.44s
980.00 KB
100 / 100
AC | C++17
Flix360
on Nov. 29, 2019, 1:56 a.m.
0.45s
1.66 MB
100 / 100
AC | C++11
DerekZhang
on Nov. 18, 2017, 3:52 p.m.
0.45s
1.23 MB