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ContestId |
Name |
Phase |
Frozen |
Duration (Seconds) |
Relative Time |
Start Time |
|---|---|---|---|---|---|---|
| 2252 | Codeforces Round 1115 (Div. 2) | FINISHED | False | 7200 | 2474679 | Aug. 6, 2026, 2:35 p.m. |
Solved |
Index |
Name |
Type |
Tags |
Community Tag |
Rating |
|---|---|---|---|---|---|---|
| ( 1632 ) | E | Generational Triplets | PROGRAMMING | bitmasks combinatorics dp math |
You are given an integer (n). Find the number of triplets of integers ((a, b, c)) such that: (1 \le a \lt b \lt c \le n); (a), (b), and (c) form an arithmetic progression (i.e., (b - a = c - b)); (a \oplus b \oplus c = 0), where (\oplus) denotes the bitwise XOR operation . Each test contains multiple test cases. The first line contains the number of test cases (t) ((1 \le t \le 10^4)). The description of the test cases follows. Each test case contains a single integer (n) ((3 \le n \le 10^{18})). For each test case, output a single integer — the number of valid triplets ((a, b, c)) modulo (10^9 + 7), on a separate line. In the first testcase, for (n = 3), the only valid triplet is ((1, 2, 3)). It satisfies the arithmetic progression condition since (2 - 1 = 3 - 2 = 1), and it satisfies the XOR condition since (1 \oplus 2 \oplus 3 = 0). For larger values of (n), make sure to output the answer modulo (10^9 + 7). |
| 155741 |
Submission Id |
Author(s) |
Index |
Submitted |
Verdict |
Language |
Test Set |
Tests Passed |
Time taken (ms) |
Memory Consumed (bytes) |
Tags |
Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 385967822 | mban259 | E | Aug. 6, 2026, 4:30 p.m. | OK | C# 13 | TESTS | 23 | 187 | 3276800 | ||
| 385992778 | yuki_Ishijo | E | Aug. 6, 2026, 7:39 p.m. | OK | C# 13 | TESTS | 23 | 203 | 3584000 | ||
| 386002673 | 2020chenhaoyan | E | Aug. 6, 2026, 11:09 p.m. | OK | C++17 (GCC 7-32) | TESTS | 23 | 46 | 102400 | ||
| 386001159 | hopemope | E | Aug. 6, 2026, 10:13 p.m. | OK | C++17 (GCC 7-32) | TESTS | 23 | 62 | 0 | ||
| 385976355 | hqm01 | E | Aug. 6, 2026, 5:21 p.m. | OK | C++17 (GCC 7-32) | TESTS | 23 | 62 | 102400 | ||
| 385974620 | MCPlayer542 | E | Aug. 6, 2026, 5:10 p.m. | OK | C++17 (GCC 7-32) | TESTS | 23 | 62 | 102400 | ||
| 385974454 | 414s_boy | E | Aug. 6, 2026, 5:09 p.m. | OK | C++17 (GCC 7-32) | TESTS | 23 | 62 | 102400 | ||
| 385974046 | _itslalit__ | E | Aug. 6, 2026, 5:06 p.m. | OK | C++17 (GCC 7-32) | TESTS | 23 | 62 | 102400 | ||
| 385968377 | wjh213 | E | Aug. 6, 2026, 4:31 p.m. | OK | C++17 (GCC 7-32) | TESTS | 23 | 62 | 102400 | ||
| 385959690 | DISHONOR | E | Aug. 6, 2026, 4:11 p.m. | OK | C++17 (GCC 7-32) | TESTS | 23 | 62 | 102400 | ||
| 385969768 | karthikeya_cp | E | Aug. 6, 2026, 4:34 p.m. | OK | C++17 (GCC 7-32) | TESTS | 23 | 78 | 102400 | ||
| 385969162 | Glac1er | E | Aug. 6, 2026, 4:33 p.m. | OK | C++17 (GCC 7-32) | TESTS | 23 | 78 | 102400 | ||
| 385962991 | se_tsu_na | E | Aug. 6, 2026, 4:19 p.m. | OK | C++20 (GCC 13-64) | TESTS | 23 | 31 | 102400 | ||
| 386010007 | CJor_feg | E | Aug. 7, 2026, 2:19 a.m. | OK | C++20 (GCC 13-64) | TESTS | 23 | 46 | 0 | ||
| 386003532 | Dark_Knight_3 | E | Aug. 6, 2026, 11:43 p.m. | OK | C++20 (GCC 13-64) | TESTS | 23 | 46 | 102400 | ||
| 385988530 | guesttttter | E | Aug. 6, 2026, 6:58 p.m. | OK | C++20 (GCC 13-64) | TESTS | 23 | 46 | 102400 | ||
| 385986542 | cho57020 | E | Aug. 6, 2026, 6:38 p.m. | OK | C++20 (GCC 13-64) | TESTS | 23 | 46 | 102400 | ||
| 385983300 | Insert_Username_Here | E | Aug. 6, 2026, 6:12 p.m. | OK | C++20 (GCC 13-64) | TESTS | 23 | 46 | 102400 | ||
| 385982419 | Remote_Dream | E | Aug. 6, 2026, 6:06 p.m. | OK | C++20 (GCC 13-64) | TESTS | 23 | 46 | 102400 | ||
| 385978824 | Splashing | E | Aug. 6, 2026, 5:39 p.m. | OK | C++20 (GCC 13-64) | TESTS | 23 | 46 | 102400 | ||
| 385967855 | juneharold | E | Aug. 6, 2026, 4:30 p.m. | OK | C++20 (GCC 13-64) | TESTS | 23 | 46 | 102400 | ||
| 385966391 | rajkr99 | E | Aug. 6, 2026, 4:27 p.m. | OK | C++20 (GCC 13-64) | TESTS | 23 | 46 | 102400 | ||
| 385965421 | kian2009 | E | Aug. 6, 2026, 4:25 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 23 | 31 | 102400 | ||
| 386020463 | zitity | E | Aug. 7, 2026, 5:16 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 23 | 46 | 0 | ||
| 386015748 | Yzm007 | E | Aug. 7, 2026, 3:57 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 23 | 46 | 0 | ||
| 386015513 | helulu | E | Aug. 7, 2026, 3:53 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 23 | 46 | 0 | ||
| 386012382 | abhwolxq | E | Aug. 7, 2026, 3 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 23 | 46 | 0 | ||
| 386009849 | wuyi2007 | E | Aug. 7, 2026, 2:17 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 23 | 46 | 0 | ||
| 385973789 | MohammadParsaElahimanesh | E | Aug. 6, 2026, 5:04 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 23 | 46 | 0 | ||
| 385966052 | zazaman | E | Aug. 6, 2026, 4:26 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 23 | 46 | 0 | ||
| 385963576 | kamyak | E | Aug. 6, 2026, 4:20 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 23 | 46 | 0 | ||
| 385962327 | abhi3112 | E | Aug. 6, 2026, 4:18 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 23 | 46 | 0 | ||
| 385961701 | sohamgugale170 | E | Aug. 6, 2026, 4:16 p.m. | OK | GNU C11 | TESTS | 23 | 218 | 0 | ||
| 385959240 | ChallaSmileSofia | E | Aug. 6, 2026, 4:10 p.m. | OK | GNU C11 | TESTS | 23 | 484 | 102400 | ||
| 385960982 | MrXonCF | E | Aug. 6, 2026, 4:15 p.m. | OK | GNU C11 | TESTS | 23 | 1125 | 204800 | ||
| 385959204 | sefirah | E | Aug. 6, 2026, 4:10 p.m. | OK | Java 21 | TESTS | 23 | 218 | 1331200 | ||
| 385967429 | stress_buster | E | Aug. 6, 2026, 4:29 p.m. | OK | Java 21 | TESTS | 23 | 312 | 512000 | ||
| 385965152 | zinqs | E | Aug. 6, 2026, 4:24 p.m. | OK | Java 21 | TESTS | 23 | 312 | 18534400 | ||
| 385960893 | MdKhanBahadurSadi | E | Aug. 6, 2026, 4:14 p.m. | OK | Java 21 | TESTS | 23 | 343 | 204800 | ||
| 385966282 | chankya_03 | E | Aug. 6, 2026, 4:27 p.m. | OK | Java 21 | TESTS | 23 | 343 | 512000 | ||
| 385967278 | Sarthak1712 | E | Aug. 6, 2026, 4:29 p.m. | OK | Java 21 | TESTS | 23 | 359 | 307200 | ||
| 385969422 | aaryannage.dev | E | Aug. 6, 2026, 4:33 p.m. | OK | Java 21 | TESTS | 23 | 359 | 1024000 | ||
| 385960254 | Jatin_Malik | E | Aug. 6, 2026, 4:13 p.m. | OK | Java 21 | TESTS | 23 | 359 | 1945600 | ||
| 385966443 | DeadCodess | E | Aug. 6, 2026, 4:27 p.m. | OK | Java 21 | TESTS | 23 | 359 | 2048000 | ||
| 385987781 | ironman263 | E | Aug. 6, 2026, 6:51 p.m. | OK | Java 21 | TESTS | 23 | 437 | 1228800 | ||
| 385960916 | Java_Programmer_ | E | Aug. 6, 2026, 4:14 p.m. | OK | Java 8 | TESTS | 23 | 171 | 0 | ||
| 385957977 | Mr.Curious | E | Aug. 6, 2026, 4:07 p.m. | OK | Java 8 | TESTS | 23 | 453 | 0 | ||
| 385969053 | pin7gu | E | Aug. 6, 2026, 4:33 p.m. | OK | Kotlin 1.7 | TESTS | 23 | 484 | 0 | ||
| 385970074 | Arvind215271 | E | Aug. 6, 2026, 4:34 p.m. | OK | PyPy 3 | TESTS | 23 | 625 | 10752000 | ||
| 385958021 | nastikys | E | Aug. 6, 2026, 4:08 p.m. | OK | PyPy 3-64 | TESTS | 23 | 93 | 4710400 | ||
| 385996386 | 34z12000 | E | Aug. 6, 2026, 8:29 p.m. | OK | PyPy 3-64 | TESTS | 23 | 93 | 4915200 | ||
| 385986973 | kolorVXL | E | Aug. 6, 2026, 6:42 p.m. | OK | PyPy 3-64 | TESTS | 23 | 140 | 4608000 | ||
| 385957771 | som__ | E | Aug. 6, 2026, 4:07 p.m. | OK | PyPy 3-64 | TESTS | 23 | 140 | 4915200 | ||
| 385973159 | Gleefre | E | Aug. 6, 2026, 5:01 p.m. | OK | PyPy 3-64 | TESTS | 23 | 156 | 3891200 | ||
| 385973041 | akimuuwu | E | Aug. 6, 2026, 5 p.m. | OK | PyPy 3-64 | TESTS | 23 | 171 | 4198400 | ||
| 385965326 | OpKos | E | Aug. 6, 2026, 4:24 p.m. | OK | PyPy 3-64 | TESTS | 23 | 171 | 6144000 | ||
| 386005178 | Little_Sheep_Yawn | E | Aug. 7, 2026, 12:34 a.m. | OK | PyPy 3-64 | TESTS | 23 | 171 | 7782400 | ||
| 385963406 | Leadd | E | Aug. 6, 2026, 4:20 p.m. | OK | PyPy 3-64 | TESTS | 23 | 187 | 5734400 | ||
| 386016486 | mega_mango | E | Aug. 7, 2026, 4:12 a.m. | OK | PyPy 3-64 | TESTS | 23 | 234 | 8294400 | ||
| 385957794 | tanishqdas2005 | E | Aug. 6, 2026, 4:07 p.m. | OK | Python 3 | TESTS | 23 | 312 | 2867200 | ||
| 386002946 | codeforcec3000 | E | Aug. 6, 2026, 11:20 p.m. | OK | Python 3 | TESTS | 23 | 781 | 1945600 | ||
| 385957466 | topu_007 | E | Aug. 6, 2026, 4:06 p.m. | OK | Python 3 | TESTS | 23 | 906 | 3584000 | ||
| 385958064 | bharqav | E | Aug. 6, 2026, 4:08 p.m. | OK | Python 3 | TESTS | 23 | 968 | 1843200 | ||
| 385968899 | Midhilesh | E | Aug. 6, 2026, 4:32 p.m. | OK | Python 3 | TESTS | 23 | 1890 | 2355200 | ||
| 385965302 | imjimit07 | E | Aug. 6, 2026, 4:24 p.m. | OK | Python 3 | TESTS | 23 | 1953 | 1843200 | ||
| 385966473 | odd_unity_02 | E | Aug. 6, 2026, 4:27 p.m. | OK | Python 3 | TESTS | 23 | 2000 | 2150400 | ||
| 385957892 | Aarav_Raina | E | Aug. 6, 2026, 4:07 p.m. | OK | Python 3 | TESTS | 23 | 2000 | 8499200 | ||
| 385973094 | cvs-650 | E | Aug. 6, 2026, 5 p.m. | OK | Rust 2024 | TESTS | 23 | 390 | 0 | ||
| 385970087 | cvs-650 | E | Aug. 6, 2026, 4:34 p.m. | OK | Rust 2024 | TESTS | 23 | 812 | 0 |
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