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ContestId |
Name |
Phase |
Frozen |
Duration (Seconds) |
Relative Time |
Start Time |
|---|---|---|---|---|---|---|
| 2183 | Hello 2026 | FINISHED | False | 10800 | 8609123 | Jan. 7, 2026, 2:35 p.m. |
Solved |
Index |
Name |
Type |
Tags |
Community Tag |
Rating |
|---|---|---|---|---|---|---|
| ( 23558 ) | A | Binary Array Game | PROGRAMMING | games |
Alice and Bob are playing a game on an array (a) of size (n), containing only numbers 0 and 1 . Alice moves first, with each player alternating turns. In a player's turn, he or she chooses two integers (l) and (r) such that (1 \leq l \color{red}{<} r \leq |a|) (here, (|a|) denotes the current length of (a)). Then, the subarray (a_l,a_{l+1},\ldots,a_r) is replaced with a single number (1-\operatorname{min}(a_l,a_{l+1},\ldots,a_r)). That is, if all numbers in the subarray are (1), then the subarray (a_l,a_{l+1},\ldots,a_r) is removed, and the number (0) is inserted where the subarray was. Otherwise, the subarray (a_l,a_{l+1},\ldots,a_r) is removed, and the number (1) is inserted where the subarray was. The game ends when there is exactly one number left in the array (where the player to go cannot make legal moves). Alice wins if the final number is (0). Otherwise, Bob wins. Please determine who wins this game with optimal play. Each test contains multiple test cases. The first line contains the number of test cases (t) ((1 \le t \le 100)). The description of the test cases follows. The first line of each test case contains a positive integer (n) ((3 \le n \le 100)), denoting the length of the array (a). The second line of each test case contains (n) integers (a_1,a_2,\ldots,a_n) ((0 \le a_i \le 1)). For each test case, output Alice if Alice wins, and Bob otherwise. You may output each character in any case. For example, the answers Alice , alice , ALICE , AliCe will all be interpreted the same. In the first test case, Alice can win by choosing (l=2) and (r=3). Since (1-\operatorname{min}(a_2,a_3)=1), the subarray (1,0) is replaced with a single integer (1), and (a) becomes (1,1). At this point, it is Bob's turn, and the only move he has is to choose (l=1) and (r=2). Since (1-\operatorname{min}(a_1,a_2)=0), the array $$ |
Submission Id |
Author(s) |
Index |
Submitted |
Verdict |
Language |
Test Set |
Tests Passed |
Time taken (ms) |
Memory Consumed (bytes) |
Tags |
Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 356907277 | __dopamIne | A | Jan. 8, 2026, 5:53 a.m. | OK | C# 13 | TESTS | 4 | 93 | 0 | ||
| 356907051 | AG0470 | A | Jan. 8, 2026, 5:50 a.m. | OK | C++17 (GCC 7-32) | TESTS | 4 | 15 | 0 | ||
| 356904447 | GreedyCoder234 | A | Jan. 8, 2026, 5:20 a.m. | OK | C++17 (GCC 7-32) | TESTS | 4 | 15 | 0 | ||
| 356901589 | Punit9464 | A | Jan. 8, 2026, 4:44 a.m. | OK | C++17 (GCC 7-32) | TESTS | 4 | 15 | 0 | ||
| 356900538 | qwertyui66 | A | Jan. 8, 2026, 4:29 a.m. | OK | C++17 (GCC 7-32) | TESTS | 4 | 15 | 0 | ||
| 356900508 | Mohit-Chowdhary | A | Jan. 8, 2026, 4:28 a.m. | OK | C++17 (GCC 7-32) | TESTS | 4 | 15 | 0 | ||
| 356899232 | yangzhou0629 | A | Jan. 8, 2026, 4:09 a.m. | OK | C++17 (GCC 7-32) | TESTS | 4 | 15 | 0 | ||
| 356899040 | kshitij3250 | A | Jan. 8, 2026, 4:06 a.m. | OK | C++17 (GCC 7-32) | TESTS | 4 | 15 | 0 | ||
| 356898701 | 12-suraj-12 | A | Jan. 8, 2026, 4:01 a.m. | OK | C++17 (GCC 7-32) | TESTS | 4 | 15 | 0 | ||
| 356896281 | tllfun | A | Jan. 8, 2026, 3:24 a.m. | OK | C++17 (GCC 7-32) | TESTS | 4 | 15 | 0 | ||
| 356893172 | GuilhermeKK | A | Jan. 8, 2026, 2:31 a.m. | OK | C++17 (GCC 7-32) | TESTS | 4 | 15 | 0 | ||
| 356883722 | fatimaalzhraaalbiek | A | Jan. 7, 2026, 9:37 p.m. | OK | C++20 (GCC 13-64) | TESTS | 4 | 0 | 0 | ||
| 356864841 | edrlu | A | Jan. 7, 2026, 5:31 p.m. | OK | C++20 (GCC 13-64) | TESTS | 4 | 0 | 0 | ||
| 356873363 | Birify_48 | A | Jan. 7, 2026, 7:07 p.m. | OK | C++20 (GCC 13-64) | TESTS | 4 | 0 | 102400 | ||
| 356908909 | AntiMaTTeR_007 | A | Jan. 8, 2026, 6:10 a.m. | OK | C++20 (GCC 13-64) | TESTS | 4 | 15 | 0 | ||
| 356907779 | Vaid23 | A | Jan. 8, 2026, 5:58 a.m. | OK | C++20 (GCC 13-64) | TESTS | 4 | 15 | 0 | ||
| 356904103 | Bot_guy | A | Jan. 8, 2026, 5:16 a.m. | OK | C++20 (GCC 13-64) | TESTS | 4 | 15 | 0 | ||
| 356903228 | Zhuozi | A | Jan. 8, 2026, 5:06 a.m. | OK | C++20 (GCC 13-64) | TESTS | 4 | 15 | 0 | ||
| 356902829 | sleepy-bateman | A | Jan. 8, 2026, 5:01 a.m. | OK | C++20 (GCC 13-64) | TESTS | 4 | 15 | 0 | ||
| 356899779 | libuxiangshuiji | A | Jan. 8, 2026, 4:18 a.m. | OK | C++20 (GCC 13-64) | TESTS | 4 | 15 | 0 | ||
| 356898752 | TheShadowStriker | A | Jan. 8, 2026, 4:02 a.m. | OK | C++20 (GCC 13-64) | TESTS | 4 | 15 | 0 | ||
| 356907964 | herin2301 | A | Jan. 8, 2026, 6 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 4 | 15 | 0 | ||
| 356907603 | no_comfort_0678 | A | Jan. 8, 2026, 5:56 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 4 | 15 | 0 | ||
| 356907026 | mit_1907_ | A | Jan. 8, 2026, 5:50 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 4 | 15 | 0 | ||
| 356905479 | sameera23_08 | A | Jan. 8, 2026, 5:32 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 4 | 15 | 0 | ||
| 356905030 | zenithXU | A | Jan. 8, 2026, 5:27 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 4 | 15 | 0 | ||
| 356904941 | Sowvick_Paul | A | Jan. 8, 2026, 5:26 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 4 | 15 | 0 | ||
| 356904468 | Nilayan17 | A | Jan. 8, 2026, 5:20 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 4 | 15 | 0 | ||
| 356904167 | monui | A | Jan. 8, 2026, 5:17 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 4 | 15 | 0 | ||
| 356904006 | Kachef | A | Jan. 8, 2026, 5:15 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 4 | 15 | 0 | ||
| 356903886 | pandafinix00 | A | Jan. 8, 2026, 5:14 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 4 | 15 | 0 | ||
| 356856122 | Vader_723 | A | Jan. 7, 2026, 5:05 p.m. | OK | GNU C11 | TESTS | 4 | 0 | 0 | ||
| 356855016 | snehvpatel2039 | A | Jan. 7, 2026, 5:02 p.m. | OK | GNU C11 | TESTS | 4 | 0 | 0 | ||
| 356907670 | sanjoydada | A | Jan. 8, 2026, 5:57 a.m. | OK | GNU C11 | TESTS | 4 | 15 | 0 | ||
| 356902986 | yyzlji | A | Jan. 8, 2026, 5:03 a.m. | OK | GNU C11 | TESTS | 4 | 15 | 0 | ||
| 356898948 | AuroraBorealis | A | Jan. 8, 2026, 4:05 a.m. | OK | GNU C11 | TESTS | 4 | 15 | 0 | ||
| 356874955 | IbrahimKasheef | A | Jan. 7, 2026, 7:21 p.m. | OK | GNU C11 | TESTS | 4 | 15 | 0 | ||
| 356861022 | Naseer. | A | Jan. 7, 2026, 5:20 p.m. | OK | GNU C11 | TESTS | 4 | 15 | 0 | ||
| 356860157 | ruchitijani | A | Jan. 7, 2026, 5:17 p.m. | OK | GNU C11 | TESTS | 4 | 15 | 0 | ||
| 356858274 | v.harsha | A | Jan. 7, 2026, 5:11 p.m. | OK | GNU C11 | TESTS | 4 | 15 | 0 | ||
| 356857661 | mrSomeone2910 | A | Jan. 7, 2026, 5:09 p.m. | OK | GNU C11 | TESTS | 4 | 15 | 0 | ||
| 356900143 | 567jiong | A | Jan. 8, 2026, 4:23 a.m. | OK | Go | TESTS | 4 | 31 | 102400 | ||
| 356899538 | __baozii__ | A | Jan. 8, 2026, 4:14 a.m. | OK | Go | TESTS | 4 | 62 | 204800 | ||
| 356854910 | ryuk_baba | A | Jan. 7, 2026, 5:02 p.m. | OK | Java 21 | TESTS | 4 | 125 | 1126400 | ||
| 356904761 | __Aviral__ | A | Jan. 8, 2026, 5:24 a.m. | OK | Java 21 | TESTS | 4 | 156 | 0 | ||
| 356875068 | beatinghu | A | Jan. 7, 2026, 7:22 p.m. | OK | Java 21 | TESTS | 4 | 156 | 614400 | ||
| 356908712 | Balu2907 | A | Jan. 8, 2026, 6:08 a.m. | OK | Java 21 | TESTS | 4 | 171 | 0 | ||
| 356908705 | Sahil_Patel_2507 | A | Jan. 8, 2026, 6:08 a.m. | OK | Java 21 | TESTS | 4 | 171 | 102400 | ||
| 356881052 | tekka_ity | A | Jan. 7, 2026, 8:45 p.m. | OK | Java 21 | TESTS | 4 | 171 | 819200 | ||
| 356883469 | bomakhamchha | A | Jan. 7, 2026, 9:32 p.m. | OK | Java 21 | TESTS | 4 | 187 | 614400 | ||
| 356874527 | Pencilgon | A | Jan. 7, 2026, 7:17 p.m. | OK | Java 21 | TESTS | 4 | 203 | 0 | ||
| 356878575 | krishna_Singh25 | A | Jan. 7, 2026, 8:06 p.m. | OK | Java 21 | TESTS | 4 | 203 | 102400 | ||
| 356891370 | nahidHasan | A | Jan. 8, 2026, 1:51 a.m. | OK | Java 21 | TESTS | 4 | 203 | 512000 | ||
| 356902198 | nero_17 | A | Jan. 8, 2026, 4:53 a.m. | OK | Java 8 | TESTS | 4 | 78 | 0 | ||
| 356904908 | Shreyas0803 | A | Jan. 8, 2026, 5:25 a.m. | OK | Java 8 | TESTS | 4 | 109 | 0 | ||
| 356902226 | Walter_white100204 | A | Jan. 8, 2026, 4:53 a.m. | OK | Java 8 | TESTS | 4 | 109 | 0 | ||
| 356900491 | kevin_0911 | A | Jan. 8, 2026, 4:28 a.m. | OK | Java 8 | TESTS | 4 | 109 | 0 | ||
| 356852715 | stavan_d | A | Jan. 7, 2026, 4:55 p.m. | OK | Java 8 | TESTS | 4 | 109 | 0 | ||
| 356858004 | comeewhattmayy24 | A | Jan. 7, 2026, 5:10 p.m. | OK | Java 8 | TESTS | 4 | 125 | 0 | ||
| 356850258 | Mazhathi | A | Jan. 7, 2026, 4:48 p.m. | OK | Java 8 | TESTS | 4 | 125 | 0 | ||
| 356863639 | flextai | A | Jan. 7, 2026, 5:27 p.m. | OK | Java 8 | TESTS | 4 | 140 | 0 | ||
| 356859433 | 23311a12l4 | A | Jan. 7, 2026, 5:15 p.m. | OK | Java 8 | TESTS | 4 | 140 | 0 | ||
| 356858159 | Neo_AbysVndrer | A | Jan. 7, 2026, 5:11 p.m. | OK | Java 8 | TESTS | 4 | 140 | 0 | ||
| 356876022 | gerogeVT | A | Jan. 7, 2026, 7:32 p.m. | OK | Kotlin 2.2 | TESTS | 4 | 171 | 0 | ||
| 356905954 | krxshh | A | Jan. 8, 2026, 5:37 a.m. | OK | PyPy 3 | TESTS | 4 | 62 | 1433600 | ||
| 356886536 | NhatHuy08052015 | A | Jan. 7, 2026, 10:58 p.m. | OK | PyPy 3 | TESTS | 4 | 62 | 1433600 | ||
| 356883566 | WalrusRamen21 | A | Jan. 7, 2026, 9:34 p.m. | OK | PyPy 3 | TESTS | 4 | 62 | 1433600 | ||
| 356876324 | waste_fellow | A | Jan. 7, 2026, 7:36 p.m. | OK | PyPy 3 | TESTS | 4 | 78 | 0 | ||
| 356895099 | ml.ashraful37 | A | Jan. 8, 2026, 3:06 a.m. | OK | PyPy 3 | TESTS | 4 | 78 | 1331200 | ||
| 356892926 | youngdp | A | Jan. 8, 2026, 2:25 a.m. | OK | PyPy 3 | TESTS | 4 | 78 | 1433600 | ||
| 356858662 | ciberportero | A | Jan. 7, 2026, 5:12 p.m. | OK | PyPy 3 | TESTS | 4 | 78 | 1433600 | ||
| 356895682 | liuxx | A | Jan. 8, 2026, 3:15 a.m. | OK | PyPy 3 | TESTS | 4 | 93 | 2969600 | ||
| 356883000 | porkBarrel | A | Jan. 7, 2026, 9:20 p.m. | OK | PyPy 3-64 | TESTS | 4 | 46 | 0 | ||
| 356900973 | learnerdaily5 | A | Jan. 8, 2026, 4:35 a.m. | OK | PyPy 3-64 | TESTS | 4 | 46 | 1331200 | ||
| 356907091 | movement124 | A | Jan. 8, 2026, 5:51 a.m. | OK | PyPy 3-64 | TESTS | 4 | 46 | 1433600 | ||
| 356906576 | vindhya.1110 | A | Jan. 8, 2026, 5:45 a.m. | OK | PyPy 3-64 | TESTS | 4 | 46 | 1433600 | ||
| 356899092 | hehehe_11 | A | Jan. 8, 2026, 4:07 a.m. | OK | PyPy 3-64 | TESTS | 4 | 46 | 1433600 | ||
| 356897135 | Njasoo | A | Jan. 8, 2026, 3:37 a.m. | OK | PyPy 3-64 | TESTS | 4 | 46 | 1433600 | ||
| 356881647 | PavelPaha | A | Jan. 7, 2026, 8:54 p.m. | OK | PyPy 3-64 | TESTS | 4 | 46 | 1433600 | ||
| 356873225 | ggyongyi | A | Jan. 7, 2026, 7:07 p.m. | OK | PyPy 3-64 | TESTS | 4 | 46 | 1433600 | ||
| 356855333 | kamulbayev | A | Jan. 7, 2026, 5:03 p.m. | OK | PyPy 3-64 | TESTS | 4 | 46 | 1433600 | ||
| 356855267 | shalomkeshet | A | Jan. 7, 2026, 5:03 p.m. | OK | PyPy 3-64 | TESTS | 4 | 46 | 1433600 | ||
| 356853377 | Murali-03 | A | Jan. 7, 2026, 4:57 p.m. | OK | Python 2 | TESTS | 4 | 31 | 0 | ||
| 356905067 | beheraprat2 | A | Jan. 8, 2026, 5:27 a.m. | OK | Python 3 | TESTS | 4 | 31 | 0 | ||
| 356904208 | oclvzn | A | Jan. 8, 2026, 5:17 a.m. | OK | Python 3 | TESTS | 4 | 31 | 0 | ||
| 356898333 | kit27.ad62 | A | Jan. 8, 2026, 3:57 a.m. | OK | Python 3 | TESTS | 4 | 31 | 0 | ||
| 356864921 | kit27.ad10 | A | Jan. 7, 2026, 5:31 p.m. | OK | Python 3 | TESTS | 4 | 31 | 0 | ||
| 356864715 | dsdharshika | A | Jan. 7, 2026, 5:30 p.m. | OK | Python 3 | TESTS | 4 | 31 | 0 | ||
| 356859850 | camp25674 | A | Jan. 7, 2026, 5:16 p.m. | OK | Python 3 | TESTS | 4 | 31 | 0 | ||
| 356851957 | Rohit_025 | A | Jan. 7, 2026, 4:53 p.m. | OK | Python 3 | TESTS | 4 | 31 | 0 | ||
| 356887490 | jparkkavan | A | Jan. 7, 2026, 11:36 p.m. | OK | Python 3 | TESTS | 4 | 31 | 102400 | ||
| 356889558 | zhr6666666 | A | Jan. 8, 2026, 12:55 a.m. | OK | Python 3 | TESTS | 4 | 31 | 204800 | ||
| 356852736 | Aruna777 | A | Jan. 7, 2026, 4:55 p.m. | OK | Python 3 | TESTS | 4 | 31 | 204800 | ||
| 356885490 | Garouka | A | Jan. 7, 2026, 10:24 p.m. | OK | Rust 2021 | TESTS | 4 | 15 | 0 | ||
| 356890088 | NKS01X | A | Jan. 8, 2026, 1:14 a.m. | OK | Rust 2024 | TESTS | 4 | 31 | 0 | ||
| 356860487 | varunnn_gupta | A | Jan. 7, 2026, 5:18 p.m. | OK | Rust 2024 | TESTS | 4 | 31 | 0 |
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