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ContestId |
Name |
Phase |
Frozen |
Duration (Seconds) |
Relative Time |
Start Time |
|---|---|---|---|---|---|---|
| 2111 | Educational Codeforces Round 179 (Rated for Div. 2) | FINISHED | False | 7200 | 27444323 | June 3, 2025, 2:35 p.m. |
Solved |
Index |
Name |
Type |
Tags |
Community Tag |
Rating |
|---|---|---|---|---|---|---|
| ( 20653 ) | A | Energy Crystals | PROGRAMMING | greedy implementation math |
There are three energy crystals numbered (1), (2), and (3); let's denote the energy level of the (i)-th crystal as (a_i). Initially, all of them are discharged, meaning their energy levels are equal to (0). Each crystal needs to be charged to level (x) (exactly (x), not greater) . In one action, you can increase the energy level of any one crystal by any positive amount; however, the energy crystals are synchronized with each other, so an action can only be performed if the following condition is met afterward: for each pair of crystals (i), (j), it must hold that (a_{i} \ge \lfloor\frac{a_{j}}{2}\rfloor). What is the minimum number of actions required to charge all the crystals? Each test consists of several test cases. The first line contains a single integer (t) ((1 \le t \le 10^{4})) — the number of test cases. The description of the test cases follows. The only line of each test case contains a single integer (x) ((1 \le x \le 10^{9})). For each test case, output a single integer — the minimum number of actions required to charge all energy crystals to level (x). In the first test case, one possible sequence of actions is: ()0, 0, 0 \to \color{red}{1}, 0, 0 \to 1, 0, \color{red}{1} \to 1, \color{red}{1}, 1() One of the possible sequences of actions in the second test case is: ()0, 0, 0 \to \color{red}{1}, 0, 0 \to 1, \color{red}{1}, 0 \to 1, 1, \color{red}{2} \to \color{red}{3}, 1, 2 \to 3, \color{red}{5}, 2 \to \color{red}{5}, 5, 2 \to 5, 5, \color{red}{5}() |
| Educational Codeforces Round 179 Editorial |
Submission Id |
Author(s) |
Index |
Submitted |
Verdict |
Language |
Test Set |
Tests Passed |
Time taken (ms) |
Memory Consumed (bytes) |
Tags |
Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 322921387 | alazarog | A | June 5, 2025, 1:34 a.m. | OK | C# 10 | TESTS | 3 | 93 | 512000 | ||
| 322830035 | IRacle | A | June 4, 2025, 9:10 a.m. | OK | C# 10 | TESTS | 3 | 93 | 512000 | ||
| 322921220 | alazarog | A | June 5, 2025, 1:28 a.m. | OK | C# 13 | TESTS | 3 | 108 | 204800 | ||
| 322899191 | Kartik_6600 | A | June 4, 2025, 6:08 p.m. | OK | C++17 (GCC 7-32) | TESTS | 3 | 30 | 0 | ||
| 322801152 | CHANDANKR7730 | A | June 4, 2025, 4:58 a.m. | OK | C++17 (GCC 7-32) | TESTS | 3 | 30 | 0 | ||
| 322941221 | Hasibur_Rahmen | A | June 5, 2025, 6 a.m. | OK | C++17 (GCC 7-32) | TESTS | 3 | 30 | 102400 | ||
| 322841395 | NOT_OVER_YET | A | June 4, 2025, 10:28 a.m. | OK | C++17 (GCC 7-32) | TESTS | 3 | 30 | 80998400 | ||
| 322890783 | iamsiamhossen | A | June 4, 2025, 4:54 p.m. | OK | C++17 (GCC 7-32) | TESTS | 3 | 31 | 0 | ||
| 322925334 | abhinavjais455 | A | June 5, 2025, 2:56 a.m. | OK | C++17 (GCC 7-32) | TESTS | 3 | 31 | 0 | ||
| 322895393 | NeTi | A | June 4, 2025, 5:35 p.m. | OK | C++17 (GCC 7-32) | TESTS | 3 | 31 | 0 | ||
| 322893006 | saiful_islam_bk | A | June 4, 2025, 5:14 p.m. | OK | C++17 (GCC 7-32) | TESTS | 3 | 31 | 0 | ||
| 322892152 | albatross1811 | A | June 4, 2025, 5:06 p.m. | OK | C++17 (GCC 7-32) | TESTS | 3 | 31 | 0 | ||
| 322888251 | lockenkey | A | June 4, 2025, 4:32 p.m. | OK | C++17 (GCC 7-32) | TESTS | 3 | 31 | 0 | ||
| 322791158 | Kagarii22 | A | June 4, 2025, 2:28 a.m. | OK | C++20 (GCC 13-64) | TESTS | 3 | 30 | 0 | ||
| 322927243 | Gabrielortz_ | A | June 5, 2025, 3:22 a.m. | OK | C++20 (GCC 13-64) | TESTS | 3 | 30 | 0 | ||
| 322880270 | whitedevil2829 | A | June 4, 2025, 3:24 p.m. | OK | C++20 (GCC 13-64) | TESTS | 3 | 30 | 0 | ||
| 322879998 | Platon_rumilov | A | June 4, 2025, 3:21 p.m. | OK | C++20 (GCC 13-64) | TESTS | 3 | 30 | 0 | ||
| 322828550 | johyy | A | June 4, 2025, 8:59 a.m. | OK | C++20 (GCC 13-64) | TESTS | 3 | 30 | 0 | ||
| 322819013 | badmash_tanmay | A | June 4, 2025, 7:52 a.m. | OK | C++20 (GCC 13-64) | TESTS | 3 | 30 | 0 | ||
| 322802954 | BL4Z4R | A | June 4, 2025, 5:18 a.m. | OK | C++20 (GCC 13-64) | TESTS | 3 | 30 | 0 | ||
| 322796617 | sayak18cf | A | June 4, 2025, 3:58 a.m. | OK | C++20 (GCC 13-64) | TESTS | 3 | 30 | 0 | ||
| 322795801 | henhenthehenhen | A | June 4, 2025, 3:45 a.m. | OK | C++20 (GCC 13-64) | TESTS | 3 | 30 | 0 | ||
| 322785352 | richi78 | A | June 3, 2025, 11:50 p.m. | OK | C++20 (GCC 13-64) | TESTS | 3 | 30 | 0 | ||
| 322795597 | TanvirZihad | A | June 4, 2025, 3:42 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 3 | 30 | 0 | ||
| 322898862 | DBP_Heaven | A | June 4, 2025, 6:05 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 3 | 30 | 0 | ||
| 322894653 | Spec70rV0r7ex | A | June 4, 2025, 5:28 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 3 | 30 | 0 | ||
| 322863436 | yumz_O | A | June 4, 2025, 1:14 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 3 | 30 | 0 | ||
| 322838976 | Beater25 | A | June 4, 2025, 10:10 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 3 | 30 | 0 | ||
| 322836175 | rudra_kaiser | A | June 4, 2025, 9:49 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 3 | 30 | 0 | ||
| 322799617 | poisonous-sheep | A | June 4, 2025, 4:40 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 3 | 30 | 0 | ||
| 322791781 | Kinsoul | A | June 4, 2025, 2:39 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 3 | 30 | 0 | ||
| 322789953 | pengpeng_fudan | A | June 4, 2025, 2:04 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 3 | 30 | 0 | ||
| 322858110 | oreshn1k | A | June 4, 2025, 12:33 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 3 | 30 | 102400 | ||
| 322837557 | bluemegane | A | June 4, 2025, 9:59 a.m. | OK | C# 8 | TESTS | 3 | 156 | 614400 | ||
| 322853430 | srikarprakash | A | June 4, 2025, 11:59 a.m. | OK | GNU C11 | TESTS | 3 | 77 | 0 | ||
| 322915883 | Utkarsh1896 | A | June 4, 2025, 10:25 p.m. | OK | GNU C11 | TESTS | 3 | 77 | 0 | ||
| 322793315 | sjnikolas123 | A | June 4, 2025, 3:05 a.m. | OK | GNU C11 | TESTS | 3 | 77 | 102400 | ||
| 322817129 | nahida520 | A | June 4, 2025, 7:38 a.m. | OK | GNU C11 | TESTS | 3 | 93 | 102400 | ||
| 322779753 | Seshi_kiran16 | A | June 3, 2025, 9:39 p.m. | OK | GNU C11 | TESTS | 3 | 93 | 102400 | ||
| 322798689 | tekka_ity | A | June 4, 2025, 4:28 a.m. | OK | Java 21 | TESTS | 3 | 171 | 204800 | ||
| 322794090 | yashjaiswal2509 | A | June 4, 2025, 3:17 a.m. | OK | Java 21 | TESTS | 3 | 187 | 0 | ||
| 322792596 | keshav_.agg | A | June 4, 2025, 2:53 a.m. | OK | Java 21 | TESTS | 3 | 202 | 102400 | ||
| 322819907 | swatishivam23 | A | June 4, 2025, 7:58 a.m. | OK | Java 21 | TESTS | 3 | 203 | 204800 | ||
| 322803103 | bomakhamchha | A | June 4, 2025, 5:19 a.m. | OK | Java 21 | TESTS | 3 | 217 | 0 | ||
| 322817569 | ajaykm000563 | A | June 4, 2025, 7:41 a.m. | OK | Java 21 | TESTS | 3 | 218 | 716800 | ||
| 322887803 | venkatesh7779 | A | June 4, 2025, 4:28 p.m. | OK | Java 21 | TESTS | 3 | 233 | 0 | ||
| 322796164 | suprithreddy | A | June 4, 2025, 3:51 a.m. | OK | Java 21 | TESTS | 3 | 234 | 0 | ||
| 322832693 | viraj07 | A | June 4, 2025, 9:25 a.m. | OK | Java 21 | TESTS | 3 | 234 | 512000 | ||
| 322842016 | GoodBoy20 | A | June 4, 2025, 10:33 a.m. | OK | Java 21 | TESTS | 3 | 249 | 0 | ||
| 322843439 | Abhi_Valani | A | June 4, 2025, 10:44 a.m. | OK | Java 8 | TESTS | 3 | 124 | 0 | ||
| 322929343 | Purav_Shah07 | A | June 5, 2025, 3:50 a.m. | OK | Java 8 | TESTS | 3 | 155 | 0 | ||
| 322914595 | Potato_Pc | A | June 4, 2025, 9:52 p.m. | OK | Java 8 | TESTS | 3 | 156 | 0 | ||
| 322852636 | Tharun_Reddy_ | A | June 4, 2025, 11:53 a.m. | OK | Java 8 | TESTS | 3 | 171 | 0 | ||
| 322777193 | Akshatgupta069_069 | A | June 3, 2025, 8:45 p.m. | OK | Java 8 | TESTS | 3 | 171 | 0 | ||
| 322906236 | Shashwata_32 | A | June 4, 2025, 7:25 p.m. | OK | Java 8 | TESTS | 3 | 186 | 16896000 | ||
| 322784855 | ianwa09 | A | June 3, 2025, 11:31 p.m. | OK | Java 8 | TESTS | 3 | 187 | 0 | ||
| 322793692 | sadgirpooja20 | A | June 4, 2025, 3:11 a.m. | OK | Java 8 | TESTS | 3 | 217 | 0 | ||
| 322869973 | Ishaan__23 | A | June 4, 2025, 2:02 p.m. | OK | Java 8 | TESTS | 3 | 218 | 0 | ||
| 322832666 | Radhe_1 | A | June 4, 2025, 9:25 a.m. | OK | Java 8 | TESTS | 3 | 218 | 0 | ||
| 322791875 | vogel-im-kafig | A | June 4, 2025, 2:40 a.m. | OK | PyPy 2 | TESTS | 3 | 389 | 7577600 | ||
| 322836582 | pTaran17 | A | June 4, 2025, 9:52 a.m. | OK | PyPy 3 | TESTS | 3 | 124 | 3891200 | ||
| 322928471 | ag5356 | A | June 5, 2025, 3:39 a.m. | OK | PyPy 3 | TESTS | 3 | 140 | 3993600 | ||
| 322842446 | fridge2 | A | June 4, 2025, 10:36 a.m. | OK | PyPy 3 | TESTS | 3 | 186 | 3686400 | ||
| 322821416 | DSKroc | A | June 4, 2025, 8:09 a.m. | OK | PyPy 3 | TESTS | 3 | 187 | 3481600 | ||
| 322818231 | santhoshsparky | A | June 4, 2025, 7:46 a.m. | OK | PyPy 3 | TESTS | 3 | 187 | 3788800 | ||
| 322916513 | poindexter1729 | A | June 4, 2025, 10:43 p.m. | OK | PyPy 3 | TESTS | 3 | 218 | 4505600 | ||
| 322783489 | Azisi | A | June 3, 2025, 10:44 p.m. | OK | PyPy 3 | TESTS | 3 | 218 | 4710400 | ||
| 322883604 | abhu.krish59 | A | June 4, 2025, 3:51 p.m. | OK | PyPy 3 | TESTS | 3 | 234 | 4710400 | ||
| 322878639 | code12123 | A | June 4, 2025, 3:10 p.m. | OK | PyPy 3 | TESTS | 3 | 264 | 2969600 | ||
| 322885798 | JuanLozano3 | A | June 4, 2025, 4:11 p.m. | OK | PyPy 3 | TESTS | 3 | 265 | 4915200 | ||
| 322899505 | smz.26 | A | June 4, 2025, 6:11 p.m. | OK | PyPy 3-64 | TESTS | 3 | 77 | 3379200 | ||
| 322836728 | aurthakur | A | June 4, 2025, 9:53 a.m. | OK | PyPy 3-64 | TESTS | 3 | 92 | 2355200 | ||
| 322797602 | gardengnome | A | June 4, 2025, 4:11 a.m. | OK | PyPy 3-64 | TESTS | 3 | 92 | 2355200 | ||
| 322780589 | Kabish07 | A | June 3, 2025, 10:01 p.m. | OK | PyPy 3-64 | TESTS | 3 | 93 | 2867200 | ||
| 322786421 | hundunlilun1 | A | June 4, 2025, 12:32 a.m. | OK | PyPy 3-64 | TESTS | 3 | 93 | 2969600 | ||
| 322828801 | JUNLINE | A | June 4, 2025, 9:01 a.m. | OK | PyPy 3-64 | TESTS | 3 | 93 | 3276800 | ||
| 322789980 | smilences | A | June 4, 2025, 2:04 a.m. | OK | PyPy 3-64 | TESTS | 3 | 93 | 3686400 | ||
| 322881390 | hirose2020 | A | June 4, 2025, 3:32 p.m. | OK | PyPy 3-64 | TESTS | 3 | 108 | 2355200 | ||
| 322803339 | hxrshh | A | June 4, 2025, 5:22 a.m. | OK | PyPy 3-64 | TESTS | 3 | 108 | 2355200 | ||
| 322803283 | whaeee | A | June 4, 2025, 5:21 a.m. | OK | PyPy 3-64 | TESTS | 3 | 108 | 2355200 | ||
| 322919272 | Cipher_In_ | A | June 5, 2025, 12:29 a.m. | OK | Python 3 | TESTS | 3 | 62 | 1228800 | ||
| 322896926 | dzh_pow | A | June 4, 2025, 5:48 p.m. | OK | Python 3 | TESTS | 3 | 93 | 0 | ||
| 322895208 | Soyipov0512 | A | June 4, 2025, 5:33 p.m. | OK | Python 3 | TESTS | 3 | 93 | 204800 | ||
| 322895124 | Soyipov0512 | A | June 4, 2025, 5:33 p.m. | OK | Python 3 | TESTS | 3 | 93 | 204800 | ||
| 322873365 | Taut_Coder | A | June 4, 2025, 2:28 p.m. | OK | Python 3 | TESTS | 3 | 93 | 204800 | ||
| 322845866 | ashvathhb | A | June 4, 2025, 11:03 a.m. | OK | Python 3 | TESTS | 3 | 93 | 204800 | ||
| 322802192 | inbaselvanayyanar | A | June 4, 2025, 5:10 a.m. | OK | Python 3 | TESTS | 3 | 93 | 204800 | ||
| 322799440 | svrmalaviya | A | June 4, 2025, 4:38 a.m. | OK | Python 3 | TESTS | 3 | 93 | 204800 | ||
| 322828747 | JUNLINE | A | June 4, 2025, 9:01 a.m. | OK | Python 3 | TESTS | 3 | 93 | 409600 | ||
| 322780103 | ManuelFelizardo | A | June 3, 2025, 9:48 p.m. | OK | Python 3 | TESTS | 3 | 93 | 1638400 | ||
| 322797500 | i-m-ag-e | A | June 4, 2025, 4:09 a.m. | OK | Rust 2021 | TESTS | 3 | 46 | 0 | ||
| 322794129 | 0x81 | A | June 4, 2025, 3:18 a.m. | OK | Rust 2021 | TESTS | 3 | 46 | 0 | ||
| 322783896 | cinkozzz | A | June 3, 2025, 10:57 p.m. | OK | Rust 2021 | TESTS | 3 | 46 | 102400 | ||
| 322900733 | DanielAnker | A | June 4, 2025, 6:22 p.m. | OK | Rust 2021 | TESTS | 3 | 61 | 0 | ||
| 322792151 | wayword | A | June 4, 2025, 2:45 a.m. | OK | Rust 2021 | TESTS | 3 | 61 | 0 | ||
| 322869157 | battlmonstr | A | June 4, 2025, 1:56 p.m. | OK | Rust 2021 | TESTS | 3 | 62 | 0 | ||
| 322826462 | ton | A | June 4, 2025, 8:45 a.m. | OK | Rust 2021 | TESTS | 3 | 62 | 0 | ||
| 322826427 | ton | A | June 4, 2025, 8:45 a.m. | OK | Rust 2021 | TESTS | 3 | 62 | 0 | ||
| 322817484 | Playnext | A | June 4, 2025, 7:40 a.m. | OK | Rust 2021 | TESTS | 3 | 62 | 0 |
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