Can someone help me find out a more optimal solution for 1057A

Please read the new rule regarding the restriction on the use of AI tools. ×

→ Pay attention

Before contest
Codeforces Round 977 (Div. 2)
42:35:33
Register now »

*has extra registration

→ Streams

Number Theory - Topic Stream

By Shayan

Before stream 00:30:33

View all →

→ Top rated

#	User	Rating
1	tourist	4009
2	jiangly	3839
3	Radewoosh	3646
4	jqdai0815	3620
4	Benq	3620
6	orzdevinwang	3612
7	Geothermal	3569
8	ecnerwala	3494
9	Um_nik	3396
10	gamegame	3386

Countries | Cities | Organizations

View all →

→ Top contributors

#	User	Contrib.
1	Um_nik	164
2	-is-this-fft-	161
3	maomao90	159
3	atcoder_official	159
5	cry	158
5	awoo	158
7	adamant	155
8	nor	154
9	TheScrasse	153
10	Dominater069	152

View all →

→ Find user

→ Recent actions

MikeMirzayanov → Rule Restricting the Use of AI [revision 2024-09-14]
Nathan4 → It is true that we are having fewer rated contests...
qaruti → JUST ACM HALF EXTREME
-is-this-fft- → PSA on Meta Hacker Cup (must read if its your first time!)
BERNARD → It is impossible to catch cheating when the problems are simple enough Pt. 2
Hexagons → OMORI CONTEST Announcement
pratikpjain.15 → Which IDE/Editor is best for Competitive Programming?
luogu_official → 【MX-X6/J7】Mengxiong Weekly (Open, Div.1+Div.3)
atcoder_official → KEYENCE Programming Contest 2024（AtCoder Beginner Contest 374） Announcement
TheScrasse → Editorial of Codeforces Round 975 (Div. 1, Div. 2)
stdfloat → Unexpected results on oj.uz
C_c-c_C → A doubt that I badly want to clear.
TheScrasse → Codeforces Round 975 (Div. 1, Div. 2)
removed1 → Codeforces Beta Round #1 - Tutorial
binomanjesh → Invitation to Algorithmia 2024
C_c-c_C → A doubt that I badly want to clear.
philip82148 → A C++ Debugging Library that Can Print Vectors, Maps, Sets, Tuples, and All
PaciukZvichainyi → Busy but Master #2
p0uya3767 → TWO POINTERS : to use or !to use ? this is the question . (and if to use : then how to use?)
Arigatowo → Virtual Tree
Shaheer_SundarSTEM → Many submissions of the first problem of Codeforces Round 976 (Div. 2) fail but get accepted.
i_am_eating_wa_and_tle → What did I misunderstood about Topcoder Polygon Area tutorial?
stdfloat → Unexpected behaviour on oj.uz
Arpa → IOI vs CF performance: 2024 Edition
BERNARD → Something is missing?

Detailed →

Can someone help me find out a more optimal solution for 1057A

Revision en1, by zakho, 2020-08-16 15:42:04

Here is the link to the problem 1057A Here is my submission 90081794

trees

History

Revisions

	Rev.	Lang.	By	When	Δ	Comment
	en1		zakho	2020-08-16 15:42:04	241	Initial revision (published)