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ContestId |
Name |
Phase |
Frozen |
Duration (Seconds) |
Relative Time |
Start Time |
|---|---|---|---|---|---|---|
| 2238 | Codeforces Round 1106 (Div. 2) | FINISHED | False | 7200 | 3943484 | June 28, 2026, 2:35 p.m. |
Solved |
Index |
Name |
Type |
Tags |
Community Tag |
Rating |
|---|---|---|---|---|---|---|
| ( 15875 ) | B | Crimson Triples | PROGRAMMING | math number theory |
After summoning the next boss — The Brain of Cthulhu, you noticed that it surrounds itself with (n) eyes, numbered from (1) to (n). In one attack, The Brain of Cthulhu chooses a triple of eyes (not necessarily distinct) with numbers ((a, b, c)). The triple of eyes is called crimson if and only if the following property holds: To defeat the boss, you want to know how many ways The Brain of Cthulhu can choose a crimson triple of eyes. The triples of eyes ((a_1, b_1, c_1)) and ((a_2, b_2, c_2)) are considered different if (a_1 \neq a_2), or (b_1 \neq b_2), or (c_1 \neq c_2). (^{\text{∗}})(\gcd(x, y)) denotes the greatest common divisor (GCD) of integers (x) and (y). (^{\text{†}})(\operatorname{lcm}(x, y)) denotes the least common multiple (LCM) of integers (x) and (y). Each test contains multiple test cases. The first line contains the number of test cases (t) ((1 \le t \le 1000)). The description of the test cases follows. The only line of each test case contains one integer (n) ((1 \le n \le 2 \cdot 10^5)) — the number of eyes of The Brain of Cthulhu. It is guaranteed that the sum of (n) across all test cases does not exceed (2 \cdot 10^5). For each test case, output one integer — the number of ways to choose a crimson triple of eyes. In the first test case, there is (1) possible crimson triple: ((1, 1, 1)). In the second test case, there are (5) possible crimson triples: ((1, 1, 1)), ((1, 1, 2)), ((2, 1, 1)), ((2, 1, 2)), ((2, 2, 2)). |
| Codeforces Round 1106 (Div. 2) Editorial |
Submission Id |
Author(s) |
Index |
Submitted |
Verdict |
Language |
Test Set |
Tests Passed |
Time taken (ms) |
Memory Consumed (bytes) |
Tags |
Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 380512943 | katherin.mogollonp | B | June 28, 2026, 4:24 p.m. | OK | C# 10 | TESTS | 10 | 78 | 2252800 | ||
| 380530184 | ok12 | B | June 28, 2026, 7:50 p.m. | OK | C# 13 | TESTS | 10 | 62 | 307200 | ||
| 380511110 | Chipperlot | B | June 28, 2026, 4:16 p.m. | OK | C# 13 | TESTS | 10 | 62 | 2867200 | ||
| 380515071 | hassd | B | June 28, 2026, 4:32 p.m. | OK | C# 13 | TESTS | 10 | 78 | 307200 | ||
| 380518263 | IRacle | B | June 28, 2026, 5:05 p.m. | OK | C# 13 | TESTS | 10 | 78 | 409600 | ||
| 380554617 | sreevalli02 | B | June 29, 2026, 5:43 a.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 15 | 0 | ||
| 380552446 | tasty_soup | B | June 29, 2026, 5:13 a.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 15 | 0 | ||
| 380538942 | Silversoul_8 | B | June 29, 2026, 12:37 a.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 15 | 0 | ||
| 380529649 | saptarshi- | B | June 28, 2026, 7:40 p.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 15 | 0 | ||
| 380519984 | pradyund310 | B | June 28, 2026, 5:24 p.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 15 | 0 | ||
| 380556382 | utkarsh879 | B | June 29, 2026, 6:08 a.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 31 | 0 | ||
| 380555852 | O_n_factorial | B | June 29, 2026, 6:01 a.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 31 | 0 | ||
| 380555843 | Kpa_Justification | B | June 29, 2026, 6 a.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 31 | 0 | ||
| 380555503 | I_am_BackTrack | B | June 29, 2026, 5:56 a.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 31 | 0 | ||
| 380555077 | heathclif | B | June 29, 2026, 5:50 a.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 31 | 0 | ||
| 380552474 | Raghav0705 | B | June 29, 2026, 5:13 a.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 15 | 0 | ||
| 380546104 | ankite | B | June 29, 2026, 3:26 a.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 15 | 0 | ||
| 380528430 | MysterI0_3 | B | June 28, 2026, 7:18 p.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 15 | 0 | ||
| 380525629 | LogicLooper | B | June 28, 2026, 6:32 p.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 15 | 0 | ||
| 380514478 | Moageza | B | June 28, 2026, 4:30 p.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 15 | 0 | ||
| 380508610 | Dipanshu_Dhiman | B | June 28, 2026, 4:07 p.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 15 | 0 | ||
| 380543312 | changnguyen | B | June 29, 2026, 2:36 a.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 15 | 3993600 | ||
| 380556001 | Nishan28 | B | June 29, 2026, 6:03 a.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 31 | 0 | ||
| 380555325 | Aditya_Gupta | B | June 29, 2026, 5:53 a.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 31 | 0 | ||
| 380554741 | HeiSenBerg_0806 | B | June 29, 2026, 5:45 a.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 31 | 0 | ||
| 380552639 | Meetbels | B | June 29, 2026, 5:16 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 15 | 0 | ||
| 380547915 | sachin6187 | B | June 29, 2026, 3:55 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 15 | 0 | ||
| 380538664 | yuugureyuu | B | June 29, 2026, 12:25 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 15 | 0 | ||
| 380534945 | monkey8 | B | June 28, 2026, 9:50 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 15 | 0 | ||
| 380529595 | HARSH_HIT | B | June 28, 2026, 7:39 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 15 | 0 | ||
| 380526721 | arshdeepcodes | B | June 28, 2026, 6:47 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 15 | 0 | ||
| 380526632 | ankush_23b | B | June 28, 2026, 6:46 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 15 | 0 | ||
| 380524318 | akshatbhatt51 | B | June 28, 2026, 6:15 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 15 | 0 | ||
| 380522905 | nishant_198 | B | June 28, 2026, 5:59 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 15 | 0 | ||
| 380507572 | G_Moranya | B | June 28, 2026, 4:03 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 15 | 0 | ||
| 380505982 | Gassa | B | June 28, 2026, 3:57 p.m. | OK | D | TESTS | 10 | 46 | 102400 | ||
| 380501946 | Jaiarora09 | B | June 28, 2026, 3:44 p.m. | OK | GNU C11 | TESTS | 10 | 15 | 0 | ||
| 380496936 | tanix_cp | B | June 28, 2026, 3:29 p.m. | OK | GNU C11 | TESTS | 10 | 15 | 0 | ||
| 380496924 | longyang | B | June 28, 2026, 3:29 p.m. | OK | GNU C11 | TESTS | 10 | 15 | 0 | ||
| 380510574 | CodeSagar | B | June 28, 2026, 4:14 p.m. | OK | GNU C11 | TESTS | 10 | 15 | 102400 | ||
| 380509407 | gr0 | B | June 28, 2026, 4:10 p.m. | OK | GNU C11 | TESTS | 10 | 15 | 102400 | ||
| 380505979 | aishwary039 | B | June 28, 2026, 3:57 p.m. | OK | GNU C11 | TESTS | 10 | 15 | 102400 | ||
| 380502175 | divatforces | B | June 28, 2026, 3:45 p.m. | OK | GNU C11 | TESTS | 10 | 15 | 102400 | ||
| 380500924 | cuttlefishlovesdiving | B | June 28, 2026, 3:41 p.m. | OK | GNU C11 | TESTS | 10 | 15 | 102400 | ||
| 380511278 | s.nur_LA | B | June 28, 2026, 4:17 p.m. | OK | GNU C11 | TESTS | 10 | 15 | 204800 | ||
| 380499296 | 16242896______ | B | June 28, 2026, 3:36 p.m. | OK | GNU C11 | TESTS | 10 | 15 | 1740800 | ||
| 380517173 | irahensa | B | June 28, 2026, 4:52 p.m. | OK | Go | TESTS | 10 | 31 | 102400 | ||
| 380514475 | treasuryonly | B | June 28, 2026, 4:30 p.m. | OK | Haskell | TESTS | 10 | 31 | 102400 | ||
| 380501752 | boyayun | B | June 28, 2026, 3:43 p.m. | OK | Haskell | TESTS | 10 | 46 | 102400 | ||
| 380498839 | flyinggit | B | June 28, 2026, 3:34 p.m. | OK | Haskell | TESTS | 10 | 46 | 102400 | ||
| 380524698 | gupta_harshal | B | June 28, 2026, 6:20 p.m. | OK | Java 21 | TESTS | 10 | 171 | 204800 | ||
| 380550909 | kripu-star | B | June 29, 2026, 4:47 a.m. | OK | Java 21 | TESTS | 10 | 171 | 307200 | ||
| 380517274 | ryukl | B | June 28, 2026, 4:54 p.m. | OK | Java 21 | TESTS | 10 | 171 | 512000 | ||
| 380510518 | cheeseball031 | B | June 28, 2026, 4:14 p.m. | OK | Java 21 | TESTS | 10 | 171 | 614400 | ||
| 380513594 | patilsudhanshu39 | B | June 28, 2026, 4:26 p.m. | OK | Java 21 | TESTS | 10 | 187 | 204800 | ||
| 380523018 | neilchetty | B | June 28, 2026, 6 p.m. | OK | Java 21 | TESTS | 10 | 187 | 307200 | ||
| 380501881 | otache | B | June 28, 2026, 3:44 p.m. | OK | Java 21 | TESTS | 10 | 187 | 409600 | ||
| 380503832 | soham6002 | B | June 28, 2026, 3:50 p.m. | OK | Java 21 | TESTS | 10 | 187 | 614400 | ||
| 380519807 | ZaidX | B | June 28, 2026, 5:22 p.m. | OK | Java 21 | TESTS | 10 | 187 | 716800 | ||
| 380514301 | GuLLu05 | B | June 28, 2026, 4:29 p.m. | OK | Java 21 | TESTS | 10 | 187 | 716800 | ||
| 380527771 | kalpesh05 | B | June 28, 2026, 7:05 p.m. | OK | Java 8 | TESTS | 10 | 109 | 0 | ||
| 380504712 | Krishna_Pate | B | June 28, 2026, 3:53 p.m. | OK | Java 8 | TESTS | 10 | 109 | 0 | ||
| 380497798 | metharu88dl | B | June 28, 2026, 3:32 p.m. | OK | Java 8 | TESTS | 10 | 109 | 0 | ||
| 380534640 | sharmeen | B | June 28, 2026, 9:41 p.m. | OK | Java 8 | TESTS | 10 | 125 | 0 | ||
| 380510030 | sethatishayjain | B | June 28, 2026, 4:12 p.m. | OK | Java 8 | TESTS | 10 | 125 | 0 | ||
| 380509116 | yashikamandhan12 | B | June 28, 2026, 4:09 p.m. | OK | Java 8 | TESTS | 10 | 125 | 0 | ||
| 380505772 | MANAV_2005 | B | June 28, 2026, 3:57 p.m. | OK | Java 8 | TESTS | 10 | 125 | 0 | ||
| 380514577 | Yamini_Bevara | B | June 28, 2026, 4:30 p.m. | OK | Java 8 | TESTS | 10 | 140 | 0 | ||
| 380513766 | Rishmore07 | B | June 28, 2026, 4:27 p.m. | OK | Java 8 | TESTS | 10 | 140 | 0 | ||
| 380512716 | M_oksh07 | B | June 28, 2026, 4:23 p.m. | OK | Java 8 | TESTS | 10 | 140 | 0 | ||
| 380504366 | Batman_03 | B | June 28, 2026, 3:52 p.m. | OK | PyPy 3 | TESTS | 10 | 78 | 1331200 | ||
| 380504709 | knightik | B | June 28, 2026, 3:53 p.m. | OK | PyPy 3 | TESTS | 10 | 78 | 2457600 | ||
| 380509909 | Pythagocode | B | June 28, 2026, 4:12 p.m. | OK | PyPy 3 | TESTS | 10 | 78 | 2560000 | ||
| 380509011 | aprilhare25 | B | June 28, 2026, 4:08 p.m. | OK | PyPy 3 | TESTS | 10 | 93 | 2457600 | ||
| 380504819 | Ar1ma | B | June 28, 2026, 3:53 p.m. | OK | PyPy 3 | TESTS | 10 | 93 | 2457600 | ||
| 380497721 | shrigs03 | B | June 28, 2026, 3:31 p.m. | OK | PyPy 3 | TESTS | 10 | 93 | 2457600 | ||
| 380508961 | Srija_Putnala | B | June 28, 2026, 4:08 p.m. | OK | PyPy 3 | TESTS | 10 | 109 | 1843200 | ||
| 380500456 | MehediHasan109 | B | June 28, 2026, 3:39 p.m. | OK | PyPy 3 | TESTS | 10 | 109 | 1843200 | ||
| 380504238 | Sikhoo | B | June 28, 2026, 3:51 p.m. | OK | PyPy 3 | TESTS | 10 | 109 | 2048000 | ||
| 380508223 | cybracs8 | B | June 28, 2026, 4:05 p.m. | OK | PyPy 3 | TESTS | 10 | 109 | 2457600 | ||
| 380537205 | WizzyRocky | B | June 28, 2026, 11:21 p.m. | OK | PyPy 3-64 | TESTS | 10 | 46 | 1433600 | ||
| 380536742 | golomb | B | June 28, 2026, 10:59 p.m. | OK | PyPy 3-64 | TESTS | 10 | 46 | 2048000 | ||
| 380536354 | meiguoren | B | June 28, 2026, 10:42 p.m. | OK | PyPy 3-64 | TESTS | 10 | 62 | 1331200 | ||
| 380499656 | risherg | B | June 28, 2026, 3:37 p.m. | OK | PyPy 3-64 | TESTS | 10 | 62 | 1331200 | ||
| 380545826 | TanJWcode | B | June 29, 2026, 3:22 a.m. | OK | PyPy 3-64 | TESTS | 10 | 62 | 1433600 | ||
| 380523213 | nushku | B | June 28, 2026, 6:02 p.m. | OK | PyPy 3-64 | TESTS | 10 | 62 | 1433600 | ||
| 380514422 | blue9 | B | June 28, 2026, 4:30 p.m. | OK | PyPy 3-64 | TESTS | 10 | 62 | 1433600 | ||
| 380512679 | BERO9_11 | B | June 28, 2026, 4:23 p.m. | OK | PyPy 3-64 | TESTS | 10 | 62 | 1433600 | ||
| 380510772 | L1ttle_b4st4rd | B | June 28, 2026, 4:15 p.m. | OK | PyPy 3-64 | TESTS | 10 | 62 | 1433600 | ||
| 380507010 | r4m-t1n | B | June 28, 2026, 4:01 p.m. | OK | PyPy 3-64 | TESTS | 10 | 62 | 1433600 | ||
| 380497797 | manishtula | B | June 28, 2026, 3:32 p.m. | OK | Python 2 | TESTS | 10 | 46 | 0 | ||
| 380524737 | benedicttudu | B | June 28, 2026, 6:21 p.m. | OK | Python 2 | TESTS | 10 | 109 | 2150400 | ||
| 380517457 | likilugia24 | B | June 28, 2026, 4:56 p.m. | OK | Python 3 | TESTS | 10 | 46 | 0 | ||
| 380515087 | adithya1812 | B | June 28, 2026, 4:32 p.m. | OK | Python 3 | TESTS | 10 | 46 | 0 | ||
| 380509389 | ponnagantitulasiram | B | June 28, 2026, 4:10 p.m. | OK | Python 3 | TESTS | 10 | 46 | 0 | ||
| 380498462 | megablastoise | B | June 28, 2026, 3:33 p.m. | OK | Python 3 | TESTS | 10 | 46 | 0 | ||
| 380512905 | Puneet_156 | B | June 28, 2026, 4:24 p.m. | OK | Python 3 | TESTS | 10 | 62 | 0 | ||
| 380510188 | swainlaxmipriya95925 | B | June 28, 2026, 4:13 p.m. | OK | Python 3 | TESTS | 10 | 62 | 0 | ||
| 380507696 | ROHANJHA193 | B | June 28, 2026, 4:03 p.m. | OK | Python 3 | TESTS | 10 | 62 | 0 | ||
| 380507125 | Shesh_adri | B | June 28, 2026, 4:01 p.m. | OK | Python 3 | TESTS | 10 | 62 | 0 | ||
| 380506879 | _AmandeepGupta | B | June 28, 2026, 4 p.m. | OK | Python 3 | TESTS | 10 | 62 | 0 | ||
| 380506078 | Nak_Black_Jack | B | June 28, 2026, 3:58 p.m. | OK | Python 3 | TESTS | 10 | 62 | 0 | ||
| 380525945 | jan_lukas | B | June 28, 2026, 6:36 p.m. | OK | Rust 2024 | TESTS | 10 | 31 | 0 | ||
| 380520702 | DanielAnker | B | June 28, 2026, 5:32 p.m. | OK | Rust 2024 | TESTS | 10 | 31 | 0 | ||
| 380507197 | nesime | B | June 28, 2026, 4:02 p.m. | OK | Rust 2024 | TESTS | 10 | 78 | 0 | ||
| 380502060 | Cyros | B | June 28, 2026, 3:44 p.m. | OK | Scala | TESTS | 10 | 406 | 0 |
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