Codeforces Round 1065 (Div. 3)

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ContestId
Name
Phase
Frozen
Duration (Seconds)
Relative Time
Start Time
2171 Codeforces Round 1065 (Div. 3) FINISHED False 9000 12756323 Nov. 20, 2025, 2:35 p.m.

Problems

Solved
Index
Name
Type
Tags
Community Tag
Rating
( 2292 ) G Sakura Adachi and Optimal Sequences PROGRAMMING bitmasks combinatorics greedy math

Adachi is in the middle of a generational crashout... over, uh, this problem! Yep, that's definitely it... anyways, please help her solve it! You are given two arrays (a) and (b) of length (n) ((1\leq a_i\leq b_i)). In one operation, you may either: choose an index (i) ((1\leq i\leq n)) and set (a_i := a_i + 1), or double all elements of (a). Let (x) denote the minimum number of operations needed to make (a = b). Two arrays (a) and (b) of length (n) are considered equal if (a_i = b_i) for all (1\leq i\leq n). Find the value of (x). Additionally, count the number of sequences of operations that make (a = b) using exactly (x) operations. Two such sequences of operations are considered different if, for any (1\leq j\leq x), the (j)-th operation of each sequence differs (either in the type of operation selected or the index chosen, if applicable). Since the number of sequences may be large, output it modulo ({\color{red}{10^6+3}}). Note that (10^6+3) is a prime number. The first line contains a single integer (t) ((1\leq t\leq 10^4)) — the number of test cases. The first line of each test case contains a single integer (n) ((2\leq n\leq 2\cdot 10^5)). The second line of each test case contains (n) integers, (a_1, a_2, \dots, a_n) ((1\leq a_i\leq 10^6)). The third line of each test case contains (n) integers, (b_1, b_2, \dots, b_n) ((a_i\leq b_i\leq 10^6)). It is guaranteed that the sum of (n) over all test cases does not exceed (2\cdot 10^5). For each test case, output two integers, the value of (x), and the number of sequences of operations that make (a = b) using exactly (x) operations, modulo (10^6+3). The value of (x) should be printed exactly; that is, it should not be taken modulo (10^6 + 3). In the second sample, it is possible to convert (a) into (b) using only three operations. There is

Tutorials

Codeforces Round 1065 (Div. 3) Editorial

Submissions

Submission Id
Author(s)
Index
Submitted
Verdict
Language
Test Set
Tests Passed
Time taken (ms)
Memory Consumed (bytes)
Tags
Rating
350013753 Eterna G Nov. 21, 2025, 3:33 a.m. OK C++17 (GCC 7-32) TESTS 18 140 28979200
350013872 Eterna G Nov. 21, 2025, 3:35 a.m. OK C++17 (GCC 7-32) TESTS 18 155 28979200
350047471 infikei G Nov. 21, 2025, 10:04 a.m. OK C++17 (GCC 7-32) TESTS 18 156 9625600
350053106 little_happy G Nov. 21, 2025, 10:56 a.m. OK C++17 (GCC 7-32) TESTS 18 156 15257600
349997342 -adhd- G Nov. 20, 2025, 9:26 p.m. OK C++17 (GCC 7-32) TESTS 18 186 8089600
350061885 Moya_Rao G Nov. 21, 2025, 12:08 p.m. OK C++17 (GCC 7-32) TESTS 18 186 20889600
350048732 bubbarob19 G Nov. 21, 2025, 10:15 a.m. OK C++17 (GCC 7-32) TESTS 18 202 6553600
350106051 Euthymia G Nov. 21, 2025, 5:40 p.m. OK C++17 (GCC 7-32) TESTS 18 202 7987200
350139799 Westin_sheep G Nov. 22, 2025, 2:06 a.m. OK C++17 (GCC 7-32) TESTS 18 202 47411200
350082722 SakiRyozo G Nov. 21, 2025, 2:47 p.m. OK C++17 (GCC 7-32) TESTS 18 203 8908800
350009959 antguz G Nov. 21, 2025, 2:32 a.m. OK C++20 (GCC 13-64) TESTS 18 124 5632000
350003770 antguz G Nov. 21, 2025, 12:05 a.m. OK C++20 (GCC 13-64) TESTS 18 124 5632000
350095260 StoneXie G Nov. 21, 2025, 4:16 p.m. OK C++20 (GCC 13-64) TESTS 18 124 6451200
350040232 Dedust G Nov. 21, 2025, 9:08 a.m. OK C++20 (GCC 13-64) TESTS 18 124 7987200
350008923 Muschuang123 G Nov. 21, 2025, 2:13 a.m. OK C++20 (GCC 13-64) TESTS 18 124 16076800
350000649 lucasma8795 G Nov. 20, 2025, 10:31 p.m. OK C++20 (GCC 13-64) TESTS 18 140 3993600
350151292 DuGuJH G Nov. 22, 2025, 5:31 a.m. OK C++20 (GCC 13-64) TESTS 18 140 12800000
350153265 DGH_Didi G Nov. 22, 2025, 5:54 a.m. OK C++20 (GCC 13-64) TESTS 18 140 14540800
350152717 DGH_Didi G Nov. 22, 2025, 5:48 a.m. OK C++20 (GCC 13-64) TESTS 18 140 14540800
350017996 Prahasith_Pasnoor G Nov. 21, 2025, 4:47 a.m. OK C++20 (GCC 13-64) TESTS 18 140 15360000
350072012 J_A_I_KUMAR G Nov. 21, 2025, 1:28 p.m. OK C++23 (GCC 14-64, msys2) TESTS 18 124 7987200
350008218 quangminh98 G Nov. 21, 2025, 1:59 a.m. OK C++23 (GCC 14-64, msys2) TESTS 18 124 7987200
349992132 H1manshuSingh G Nov. 20, 2025, 8:13 p.m. OK C++23 (GCC 14-64, msys2) TESTS 18 124 7987200
350151806 ToMuchTNT G Nov. 22, 2025, 5:37 a.m. OK C++23 (GCC 14-64, msys2) TESTS 18 124 8806400
350146197 _akasi G Nov. 22, 2025, 4:13 a.m. OK C++23 (GCC 14-64, msys2) TESTS 18 124 15462400
350140403 cankjaca G Nov. 22, 2025, 2:19 a.m. OK C++23 (GCC 14-64, msys2) TESTS 18 124 16076800
350005578 GeometryFeng G Nov. 21, 2025, 12:59 a.m. OK C++23 (GCC 14-64, msys2) TESTS 18 124 16076800
350004561 abcd_4321 G Nov. 21, 2025, 12:30 a.m. OK C++23 (GCC 14-64, msys2) TESTS 18 124 20070400
350071690 EL_BALD G Nov. 21, 2025, 1:26 p.m. OK C++23 (GCC 14-64, msys2) TESTS 18 125 7987200
350134122 espacio G Nov. 21, 2025, 11:24 p.m. OK C++23 (GCC 14-64, msys2) TESTS 18 125 17100800
350134922 gxlois G Nov. 21, 2025, 11:50 p.m. OK D TESTS 18 327 63692800
350136862 gxlois G Nov. 22, 2025, 12:55 a.m. OK D TESTS 18 390 63795200
350137043 gxlois G Nov. 22, 2025, 1:01 a.m. OK D TESTS 18 421 63692800
350137023 gxlois G Nov. 22, 2025, 1 a.m. OK D TESTS 18 421 63692800
350136978 gxlois G Nov. 22, 2025, 12:59 a.m. OK D TESTS 18 436 63692800
350050188 MainAgain G Nov. 21, 2025, 10:28 a.m. OK Go TESTS 18 202 57344000
350053274 0x3F G Nov. 21, 2025, 10:58 a.m. OK Go TESTS 18 296 14233600
350146113 uttaran_das G Nov. 22, 2025, 4:12 a.m. OK Java 21 TESTS 18 531 38912000
350145849 uttaran_das G Nov. 22, 2025, 4:07 a.m. OK Java 21 TESTS 18 577 52428800
350012370 yang_wei G Nov. 21, 2025, 3:13 a.m. OK Java 21 TESTS 18 593 23961600
350061915 practiceAccount257 G Nov. 21, 2025, 12:08 p.m. OK Java 21 TESTS 18 734 21606400
350067751 xmjlove G Nov. 21, 2025, 12:55 p.m. OK Java 8 TESTS 18 608 7270400
350084966 kevin_0911 G Nov. 21, 2025, 3:03 p.m. OK Java 8 TESTS 18 749 16793600
350118604 SoleProprietor G Nov. 21, 2025, 7:23 p.m. OK PyPy 3-64 TESTS 18 265 72396800
350012904 Emikooh G Nov. 21, 2025, 3:21 a.m. OK PyPy 3-64 TESTS 18 296 52633600
350079563 PVHKReddy G Nov. 21, 2025, 2:23 p.m. OK PyPy 3-64 TESTS 18 311 61132800
350052690 DeadMan69 G Nov. 21, 2025, 10:53 a.m. OK PyPy 3-64 TESTS 18 327 58265600
350042922 L-S-S G Nov. 21, 2025, 9:28 a.m. OK PyPy 3-64 TESTS 18 343 50073600
350008419 VaHiX G Nov. 21, 2025, 2:03 a.m. OK PyPy 3-64 TESTS 18 405 45056000
350036778 Pain328 G Nov. 21, 2025, 8:41 a.m. OK PyPy 3-64 TESTS 18 405 52428800
350091747 HumbleRobo G Nov. 21, 2025, 3:51 p.m. OK PyPy 3-64 TESTS 18 406 70246400
350035224 detteiuu G Nov. 21, 2025, 8:27 a.m. OK PyPy 3-64 TESTS 18 421 63180800
349999255 czjnbb G Nov. 20, 2025, 10:01 p.m. OK PyPy 3-64 TESTS 18 421 78848000
350070719 siam__007 G Nov. 21, 2025, 1:18 p.m. OK Python 3 TESTS 18 1468 82636800

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