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ContestId |
Name |
Phase |
Frozen |
Duration (Seconds) |
Relative Time |
Start Time |
|---|---|---|---|---|---|---|
| 2200 | Codeforces Round 1084 (Div. 3) | FINISHED | False | 8100 | 4202723 | Feb. 27, 2026, 2:35 p.m. |
Solved |
Index |
Name |
Type |
Tags |
Community Tag |
Rating |
|---|---|---|---|---|---|---|
| ( 7686 ) | E | Divisive Battle | PROGRAMMING | games greedy math number theory |
Alice and Bob are playing game on array (a) initially containing (n) positive integers, with Alice going first. On each player's turn, if (a) is non-decreasing(^{\text{∗}}), the game immediately ends. Otherwise, the player can choose an element (x) from the array and positive integers (1 \lt y,z \lt x) such that (x=yz) and replace (x) in the array with two elements (y) and (z) (in any order at the original location of (x)). If no such move is possible, the game ends. Once the game ends, if (a) is non-decreasing, then Bob wins. Otherwise, Alice wins. Determine who will win the game if both players play optimally. (^{\text{∗}})(a) is non-decreasing if (a_i\leq a_{i+1}) for all (1\leq i\leq m-1), where (m) is the length of (a). The first line contains an integer (t) ((1 \leq t \leq 10^4)), the number of test cases. The first line of each test case contains an integer (n) ((1 \leq n \leq 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 sum of (n) over all test cases does not exceed (10^5). For each test case, output a line containing "Alice" if Alice wins or "Bob" if Bob wins. The grader is case-sensitive. In the first test case, Alice will win if both players play optimally. In the second test case, Bob can always win no matter what moves Alice makes. In the third test case, Alice can win by replacing (6) with (3) and (2). In the fourth test case, the game ends immediately and Bob wins. |
| Codeforces Round 1084 (Div. 3) Editorial |
Submission Id |
Author(s) |
Index |
Submitted |
Verdict |
Language |
Test Set |
Tests Passed |
Time taken (ms) |
Memory Consumed (bytes) |
Tags |
Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 364732629 | nksammirPL | E | Feb. 27, 2026, 4:48 p.m. | OK | C# 13 | TESTS | 10 | 218 | 14745600 | ||
| 364726527 | awesohame | E | Feb. 27, 2026, 4:34 p.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 46 | 512000 | ||
| 364726667 | sanket_23 | E | Feb. 27, 2026, 4:34 p.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 46 | 1331200 | ||
| 364723122 | nbufe2422230033 | E | Feb. 27, 2026, 4:26 p.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 46 | 1536000 | ||
| 364733306 | h4rsh.y3mm | E | Feb. 27, 2026, 4:49 p.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 46 | 4096000 | ||
| 364726659 | naveengpatil26 | E | Feb. 27, 2026, 4:34 p.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 46 | 4096000 | ||
| 364735984 | AGENT-007 | E | Feb. 27, 2026, 5:03 p.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 46 | 6041600 | ||
| 364746907 | huyrubik2007 | E | Feb. 27, 2026, 6:34 p.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 46 | 7065600 | ||
| 364758216 | prayag2 | E | Feb. 27, 2026, 8:22 p.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 62 | 0 | ||
| 364730194 | JackLewicki | E | Feb. 27, 2026, 4:43 p.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 62 | 0 | ||
| 364729143 | conductornoah | E | Feb. 27, 2026, 4:40 p.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 62 | 0 | ||
| 364751816 | gargpb31 | E | Feb. 27, 2026, 7:22 p.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 46 | 0 | ||
| 364775352 | EDCTY | E | Feb. 28, 2026, 1:48 a.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 46 | 512000 | ||
| 364729839 | Tarie1 | E | Feb. 27, 2026, 4:42 p.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 46 | 512000 | ||
| 364736676 | LTL1541 | E | Feb. 27, 2026, 5:07 p.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 46 | 921600 | ||
| 364728346 | Adarsh_agrahari | E | Feb. 27, 2026, 4:38 p.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 46 | 1536000 | ||
| 364725826 | Mariom | E | Feb. 27, 2026, 4:32 p.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 46 | 1945600 | ||
| 364730115 | shyamalidas | E | Feb. 27, 2026, 4:42 p.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 46 | 3993600 | ||
| 364729851 | Shyamalii | E | Feb. 27, 2026, 4:42 p.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 46 | 3993600 | ||
| 364729721 | Flowfier | E | Feb. 27, 2026, 4:42 p.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 46 | 3993600 | ||
| 364725039 | M.Campver | E | Feb. 27, 2026, 4:30 p.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 46 | 3993600 | ||
| 364729305 | Enfios | E | Feb. 27, 2026, 4:41 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 31 | 1126400 | ||
| 364734230 | sri_charan_raj_ | E | Feb. 27, 2026, 4:53 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 46 | 0 | ||
| 364722894 | siamduetstudent | E | Feb. 27, 2026, 4:25 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 46 | 512000 | ||
| 364737022 | Zeyad_Saad | E | Feb. 27, 2026, 5:09 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 46 | 614400 | ||
| 364726048 | OmarMoBadr | E | Feb. 27, 2026, 4:32 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 46 | 614400 | ||
| 364779556 | thanhnguyxn07 | E | Feb. 28, 2026, 3:15 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 46 | 921600 | ||
| 364747497 | NinjaOP77 | E | Feb. 27, 2026, 6:40 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 46 | 921600 | ||
| 364731392 | shivr01 | E | Feb. 27, 2026, 4:46 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 46 | 1024000 | ||
| 364722435 | Enfios | E | Feb. 27, 2026, 4:24 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 46 | 1126400 | ||
| 364738156 | Anoth3r | E | Feb. 27, 2026, 5:17 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 46 | 1331200 | ||
| 364736114 | ruban | E | Feb. 27, 2026, 5:04 p.m. | OK | FPC | TESTS | 10 | 78 | 89804800 | ||
| 364734950 | frag_ | E | Feb. 27, 2026, 4:56 p.m. | OK | GNU C11 | TESTS | 10 | 62 | 409600 | ||
| 364733870 | indoria_harsh_312005 | E | Feb. 27, 2026, 4:51 p.m. | OK | Java 21 | TESTS | 10 | 203 | 3891200 | ||
| 364729816 | Devstudent01 | E | Feb. 27, 2026, 4:42 p.m. | OK | Java 21 | TESTS | 10 | 218 | 102400 | ||
| 364725135 | RuAyu | E | Feb. 27, 2026, 4:30 p.m. | OK | Java 21 | TESTS | 10 | 218 | 5120000 | ||
| 364784773 | NpHardcore_05 | E | Feb. 28, 2026, 4:51 a.m. | OK | Java 21 | TESTS | 10 | 218 | 8908800 | ||
| 364723712 | noobcoder58828 | E | Feb. 27, 2026, 4:27 p.m. | OK | Java 21 | TESTS | 10 | 234 | 4915200 | ||
| 364732959 | YashKhandelwal | E | Feb. 27, 2026, 4:49 p.m. | OK | Java 21 | TESTS | 10 | 250 | 3891200 | ||
| 364729747 | abdullabohra790 | E | Feb. 27, 2026, 4:42 p.m. | OK | Java 21 | TESTS | 10 | 250 | 5939200 | ||
| 364722637 | shivam24121 | E | Feb. 27, 2026, 4:24 p.m. | OK | Java 21 | TESTS | 10 | 265 | 5529600 | ||
| 364731749 | _Abhinavv_ | E | Feb. 27, 2026, 4:46 p.m. | OK | Java 21 | TESTS | 10 | 265 | 5734400 | ||
| 364726652 | Saravana_Krishnan_J | E | Feb. 27, 2026, 4:34 p.m. | OK | Java 21 | TESTS | 10 | 265 | 11878400 | ||
| 364731875 | Insha_6 | E | Feb. 27, 2026, 4:47 p.m. | OK | Java 8 | TESTS | 10 | 140 | 2764800 | ||
| 364722928 | 2310080064 | E | Feb. 27, 2026, 4:25 p.m. | OK | Java 8 | TESTS | 10 | 156 | 1945600 | ||
| 364723799 | letscod2021 | E | Feb. 27, 2026, 4:27 p.m. | OK | Java 8 | TESTS | 10 | 203 | 9728000 | ||
| 364776373 | chengzijun_de_xiatian | E | Feb. 28, 2026, 2:10 a.m. | OK | Java 8 | TESTS | 10 | 250 | 3481600 | ||
| 364781022 | abhayrajnegi0416 | E | Feb. 28, 2026, 3:42 a.m. | OK | Java 8 | TESTS | 10 | 359 | 0 | ||
| 364726554 | hetshah16 | E | Feb. 27, 2026, 4:34 p.m. | OK | Java 8 | TESTS | 10 | 531 | 0 | ||
| 364722518 | divyansh515 | E | Feb. 27, 2026, 4:24 p.m. | OK | Java 8 | TESTS | 10 | 593 | 0 | ||
| 364730473 | mehalpandkar | E | Feb. 27, 2026, 4:43 p.m. | OK | PyPy 3 | TESTS | 10 | 250 | 13516800 | ||
| 364729952 | raghav13aggarwal03 | E | Feb. 27, 2026, 4:42 p.m. | OK | PyPy 3 | TESTS | 10 | 562 | 17203200 | ||
| 364725377 | kitchau_hcmus | E | Feb. 27, 2026, 4:31 p.m. | OK | PyPy 3 | TESTS | 10 | 812 | 10342400 | ||
| 364732962 | san1ternma | E | Feb. 27, 2026, 4:49 p.m. | OK | PyPy 3-64 | TESTS | 10 | 125 | 19353600 | ||
| 364733282 | codingkarlijiye | E | Feb. 27, 2026, 4:49 p.m. | OK | PyPy 3-64 | TESTS | 10 | 125 | 20275200 | ||
| 364725914 | BennyLaw | E | Feb. 27, 2026, 4:32 p.m. | OK | PyPy 3-64 | TESTS | 10 | 140 | 20992000 | ||
| 364742552 | LightHouse1 | E | Feb. 27, 2026, 5:55 p.m. | OK | PyPy 3-64 | TESTS | 10 | 156 | 21094400 | ||
| 364724974 | sshs24083 | E | Feb. 27, 2026, 4:30 p.m. | OK | PyPy 3-64 | TESTS | 10 | 156 | 21401600 | ||
| 364773452 | gardengnome | E | Feb. 28, 2026, 1:01 a.m. | OK | PyPy 3-64 | TESTS | 10 | 156 | 22118400 | ||
| 364736195 | sanzenin | E | Feb. 27, 2026, 5:04 p.m. | OK | PyPy 3-64 | TESTS | 10 | 156 | 23449600 | ||
| 364729745 | nirupnirup8 | E | Feb. 27, 2026, 4:42 p.m. | OK | PyPy 3-64 | TESTS | 10 | 156 | 23756800 | ||
| 364741345 | alexwice | E | Feb. 27, 2026, 5:44 p.m. | OK | PyPy 3-64 | TESTS | 10 | 156 | 26316800 | ||
| 364783138 | qyzm123 | E | Feb. 28, 2026, 4:20 a.m. | OK | PyPy 3-64 | TESTS | 10 | 156 | 29900800 | ||
| 364785136 | sanjanapatel238 | E | Feb. 28, 2026, 4:56 a.m. | OK | Python 3 | TESTS | 10 | 328 | 47513600 | ||
| 364726896 | Abhi-2006 | E | Feb. 27, 2026, 4:35 p.m. | OK | Python 3 | TESTS | 10 | 500 | 22323200 | ||
| 364726005 | darkakashihunter | E | Feb. 27, 2026, 4:32 p.m. | OK | Python 3 | TESTS | 10 | 562 | 30105600 | ||
| 364725299 | aayushsaxena17 | E | Feb. 27, 2026, 4:31 p.m. | OK | Python 3 | TESTS | 10 | 625 | 48742400 | ||
| 364731047 | the_7g_girl | E | Feb. 27, 2026, 4:45 p.m. | OK | Python 3 | TESTS | 10 | 625 | 49254400 | ||
| 364725345 | Phoenix_3328 | E | Feb. 27, 2026, 4:31 p.m. | OK | Python 3 | TESTS | 10 | 640 | 31641600 | ||
| 364771767 | tea_star | E | Feb. 28, 2026, 12:14 a.m. | OK | Python 3 | TESTS | 10 | 671 | 48640000 | ||
| 364731507 | Vladkutsyk | E | Feb. 27, 2026, 4:46 p.m. | OK | Python 3 | TESTS | 10 | 703 | 49152000 | ||
| 364727482 | veerabhadrayerram | E | Feb. 27, 2026, 4:36 p.m. | OK | Python 3 | TESTS | 10 | 734 | 49152000 | ||
| 364729248 | keshavgujrathi | E | Feb. 27, 2026, 4:40 p.m. | OK | Python 3 | TESTS | 10 | 937 | 21606400 | ||
| 364727206 | hachiko2026 | E | Feb. 27, 2026, 4:35 p.m. | OK | Ruby 3 | TESTS | 10 | 500 | 24678400 | ||
| 364749301 | macaroni5708 | E | Feb. 27, 2026, 6:58 p.m. | OK | Rust 2021 | TESTS | 10 | 234 | 102400 | ||
| 364727397 | bqn | E | Feb. 27, 2026, 4:36 p.m. | OK | Rust 2021 | TESTS | 10 | 296 | 18636800 | ||
| 364754811 | f0rsworN | E | Feb. 27, 2026, 7:49 p.m. | OK | Rust 2024 | TESTS | 10 | 46 | 921600 | ||
| 364784134 | 0x81 | E | Feb. 28, 2026, 4:40 a.m. | OK | Rust 2024 | TESTS | 10 | 62 | 1536000 | ||
| 364740801 | noodlesiloveyou | E | Feb. 27, 2026, 5:38 p.m. | OK | Rust 2024 | TESTS | 10 | 250 | 11776000 |
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