Solutions are presented as using the least memory and the fastest execution time. It also takes the top 10 most recent solutions from each language. If you want to limit to a specific index, click the "Solved" button and go to that problem.
ContestId |
Name |
Phase |
Frozen |
Duration (Seconds) |
Relative Time |
Start Time |
|---|---|---|---|---|---|---|
| 2189 | Codeforces Round 1075 (Div. 2) | FINISHED | False | 7200 | 7226723 | Jan. 23, 2026, 2:35 p.m. |
Solved |
Index |
Name |
Type |
Tags |
Community Tag |
Rating |
|---|---|---|---|---|---|---|
| ( 15118 ) | B | The Curse of the Frog | PROGRAMMING | greedy math |
On an infinite number line, at point (0), sits a frog. After many years of meditation, the frog has mastered (n) unique types of magical jumps. The (i)-th type of jump allows it to jump forward by no more than (a_i) units. In other words, if it was at integer point (k), after the jump it can land at any integer point from (k) to (k+a_i) . But magic always comes with a price; it has been cursed. Before each (b_i)-th attempt (before (b_i)-th, (2b_i)-th, (3b_i)-th etc. attempt among the jumps of type (i)) to use the (i)-th type of jump, the frog rolls back (c_i) units! In other words, if it was at point (k), it will first find itself at point (k-c_i), and after the jump, it can land at any integer point from (k-c_i) to (k-c_i+a_i). The frog's goal is to reach the point with the number (x), using jumps while minimizing the number of rollbacks. Help the frog — find the minimum number of rollbacks it will have to endure on its way to the goal, or determine that it cannot reach point (x). 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. In the first line of each test case, there are (2) integers (n) and (x) ((1 \leq n \leq 10^5), (1 \leq x \leq 10^{18})) — the number of types of jumps the frog can make and its final target. In the following (n) lines, the description of the jump types is provided; the (i)-th line contains (3) integers (a_i), (b_i), and (c_i) ((1 \leq a_i, b_i, c_i \leq 10^6)). It is guaranteed that the sum of (n) across all test cases does not exceed (10^5). For each test case, if the frog can reach point (x), find the smallest number of rollbacks it must endure to do so. If it cannot reach point (x), output (-1). In the first test case, the frog can jump forward by (1) unit and wil |
| Codeforces Round 1075 (Div. 2) Editorial |
Submission Id |
Author(s) |
Index |
Submitted |
Verdict |
Language |
Test Set |
Tests Passed |
Time taken (ms) |
Memory Consumed (bytes) |
Tags |
Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 359495754 | RaghavSingla | B | Jan. 24, 2026, 4:49 a.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 78 | 0 | ||
| 359479260 | rohitsk1 | B | Jan. 23, 2026, 10:26 p.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 78 | 0 | ||
| 359478672 | deanish005 | B | Jan. 23, 2026, 10:11 p.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 78 | 0 | ||
| 359476474 | Harsh_Saini | B | Jan. 23, 2026, 9:26 p.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 78 | 0 | ||
| 359462894 | arjunpundir | B | Jan. 23, 2026, 6:38 p.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 78 | 0 | ||
| 359461997 | sad_af007 | B | Jan. 23, 2026, 6:30 p.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 78 | 0 | ||
| 359458835 | adityashukla.sun | B | Jan. 23, 2026, 6:07 p.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 78 | 0 | ||
| 359458270 | golu20062004 | B | Jan. 23, 2026, 6:03 p.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 78 | 0 | ||
| 359455136 | _Aadarsh_ | B | Jan. 23, 2026, 5:40 p.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 78 | 0 | ||
| 359453930 | Midcoldnight | B | Jan. 23, 2026, 5:32 p.m. | OK | C++17 (GCC 7-32) | TESTS | 10 | 78 | 0 | ||
| 359502341 | csgogogo114514 | B | Jan. 24, 2026, 5:46 a.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 46 | 4915200 | ||
| 359501703 | velocity___09 | B | Jan. 24, 2026, 5:42 a.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 62 | 0 | ||
| 359494270 | khrixna | B | Jan. 24, 2026, 4:33 a.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 62 | 0 | ||
| 359491517 | FlowerandYou | B | Jan. 24, 2026, 3:48 a.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 62 | 0 | ||
| 359476491 | DeepanshuRanjan | B | Jan. 23, 2026, 9:26 p.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 62 | 0 | ||
| 359466999 | he_aniket | B | Jan. 23, 2026, 7:17 p.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 62 | 0 | ||
| 359458786 | drogbaaaa | B | Jan. 23, 2026, 6:07 p.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 62 | 0 | ||
| 359450115 | QRQRQR | B | Jan. 23, 2026, 5:10 p.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 62 | 0 | ||
| 359499089 | shine_rocks | B | Jan. 24, 2026, 5:22 a.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 62 | 102400 | ||
| 359498933 | Shine_mah | B | Jan. 24, 2026, 5:21 a.m. | OK | C++20 (GCC 13-64) | TESTS | 10 | 62 | 102400 | ||
| 359445369 | PSAbhiram | B | Jan. 23, 2026, 4:33 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 46 | 102400 | ||
| 359505153 | mysterioo | B | Jan. 24, 2026, 6:07 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 62 | 0 | ||
| 359500324 | rabinkarp | B | Jan. 24, 2026, 5:32 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 62 | 0 | ||
| 359496114 | mATRiX2410 | B | Jan. 24, 2026, 4:54 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 62 | 0 | ||
| 359492340 | Bit_Riser | B | Jan. 24, 2026, 4:02 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 62 | 0 | ||
| 359490505 | Mahadi_Hassan | B | Jan. 24, 2026, 3:29 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 62 | 0 | ||
| 359489985 | abhinavsingh8805 | B | Jan. 24, 2026, 3:19 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 62 | 0 | ||
| 359486184 | dsn_20051209 | B | Jan. 24, 2026, 2:02 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 62 | 0 | ||
| 359485075 | Mahedi_02 | B | Jan. 24, 2026, 1:32 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 62 | 0 | ||
| 359484459 | dooglius | B | Jan. 24, 2026, 1:15 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 10 | 62 | 0 | ||
| 359467405 | NenadDapic | B | Jan. 23, 2026, 7:22 p.m. | OK | FPC | TESTS | 10 | 93 | 819200 | ||
| 359467066 | NenadDapic | B | Jan. 23, 2026, 7:18 p.m. | OK | FPC | TESTS | 10 | 93 | 819200 | ||
| 359439239 | sakethreddypingili | B | Jan. 23, 2026, 4:23 p.m. | OK | GNU C11 | TESTS | 10 | 93 | 0 | ||
| 359468464 | Maybeinnextlife | B | Jan. 23, 2026, 7:33 p.m. | OK | GNU C11 | TESTS | 10 | 109 | 3174400 | ||
| 359444146 | uygaratesdogan31 | B | Jan. 23, 2026, 4:31 p.m. | OK | GNU C11 | TESTS | 10 | 125 | 0 | ||
| 359489925 | David_Yap | B | Jan. 24, 2026, 3:18 a.m. | OK | Go | TESTS | 10 | 140 | 4198400 | ||
| 359488971 | chethan_coding | B | Jan. 24, 2026, 3 a.m. | OK | Go | TESTS | 10 | 140 | 4198400 | ||
| 359490805 | 567jiong | B | Jan. 24, 2026, 3:35 a.m. | OK | Go | TESTS | 10 | 171 | 5120000 | ||
| 359473139 | shyamPrajapat | B | Jan. 23, 2026, 8:29 p.m. | OK | Java 21 | TESTS | 10 | 187 | 204800 | ||
| 359442663 | sparky_1234 | B | Jan. 23, 2026, 4:29 p.m. | OK | Java 21 | TESTS | 10 | 187 | 512000 | ||
| 359440501 | Trijyachoubey | B | Jan. 23, 2026, 4:25 p.m. | OK | Java 21 | TESTS | 10 | 187 | 512000 | ||
| 359474446 | NanDemo | B | Jan. 23, 2026, 8:49 p.m. | OK | Java 21 | TESTS | 10 | 203 | 102400 | ||
| 359452082 | dasarimerwinmighty | B | Jan. 23, 2026, 5:20 p.m. | OK | Java 21 | TESTS | 10 | 218 | 512000 | ||
| 359456676 | naman2277 | B | Jan. 23, 2026, 5:52 p.m. | OK | Java 21 | TESTS | 10 | 218 | 1433600 | ||
| 359490888 | Dan1c | B | Jan. 24, 2026, 3:36 a.m. | OK | Java 21 | TESTS | 10 | 265 | 614400 | ||
| 359501898 | anitusiruk | B | Jan. 24, 2026, 5:43 a.m. | OK | Java 21 | TESTS | 10 | 265 | 1126400 | ||
| 359462852 | fatal-98 | B | Jan. 23, 2026, 6:37 p.m. | OK | Java 21 | TESTS | 10 | 281 | 819200 | ||
| 359490710 | _ameysawant_ | B | Jan. 24, 2026, 3:33 a.m. | OK | Java 21 | TESTS | 10 | 281 | 921600 | ||
| 359471326 | public-static-void-main | B | Jan. 23, 2026, 8:06 p.m. | OK | Java 8 | TESTS | 10 | 171 | 16998400 | ||
| 359475528 | divyanshvijay079 | B | Jan. 23, 2026, 9:08 p.m. | OK | Java 8 | TESTS | 10 | 546 | 0 | ||
| 359479699 | tin.le2 | B | Jan. 23, 2026, 10:39 p.m. | OK | Kotlin 1.7 | TESTS | 10 | 484 | 78233600 | ||
| 359481166 | skyblu-ltng | B | Jan. 23, 2026, 11:26 p.m. | OK | Kotlin 1.9 | TESTS | 10 | 234 | 204800 | ||
| 359475800 | daanolav | B | Jan. 23, 2026, 9:13 p.m. | OK | Kotlin 2.2 | TESTS | 10 | 296 | 204800 | ||
| 359492625 | mehalpandkar | B | Jan. 24, 2026, 4:07 a.m. | OK | PyPy 3 | TESTS | 10 | 328 | 11059200 | ||
| 359504058 | shivam_9939 | B | Jan. 24, 2026, 5:58 a.m. | OK | PyPy 3 | TESTS | 10 | 406 | 11571200 | ||
| 359456119 | Aroson | B | Jan. 23, 2026, 5:47 p.m. | OK | PyPy 3 | TESTS | 10 | 453 | 9523200 | ||
| 359446547 | dka0212 | B | Jan. 23, 2026, 4:34 p.m. | OK | PyPy 3 | TESTS | 10 | 812 | 16691200 | ||
| 359482543 | OAY71011 | B | Jan. 24, 2026, 12:13 a.m. | OK | PyPy 3-64 | TESTS | 10 | 93 | 7270400 | ||
| 359478554 | Shutcapybara | B | Jan. 23, 2026, 10:08 p.m. | OK | PyPy 3-64 | TESTS | 10 | 109 | 11264000 | ||
| 359494301 | Sayanth_19 | B | Jan. 24, 2026, 4:33 a.m. | OK | PyPy 3-64 | TESTS | 10 | 109 | 24678400 | ||
| 359463738 | esdeee | B | Jan. 23, 2026, 6:45 p.m. | OK | PyPy 3-64 | TESTS | 10 | 125 | 6656000 | ||
| 359451237 | cappucciyes | B | Jan. 23, 2026, 5:16 p.m. | OK | PyPy 3-64 | TESTS | 10 | 125 | 7475200 | ||
| 359461278 | srihari2712 | B | Jan. 23, 2026, 6:25 p.m. | OK | PyPy 3-64 | TESTS | 10 | 125 | 16691200 | ||
| 359442210 | vignesh.ph10 | B | Jan. 23, 2026, 4:28 p.m. | OK | PyPy 3-64 | TESTS | 10 | 125 | 24473600 | ||
| 359486250 | wayneisadog | B | Jan. 24, 2026, 2:04 a.m. | OK | PyPy 3-64 | TESTS | 10 | 125 | 25088000 | ||
| 359494393 | sharmaujjwal5706 | B | Jan. 24, 2026, 4:35 a.m. | OK | PyPy 3-64 | TESTS | 10 | 125 | 25804800 | ||
| 359487273 | kaushik.atla | B | Jan. 24, 2026, 2:28 a.m. | OK | PyPy 3-64 | TESTS | 10 | 125 | 35840000 | ||
| 359480574 | daviddorante | B | Jan. 23, 2026, 11:06 p.m. | OK | Python 3 | TESTS | 10 | 125 | 33382400 | ||
| 359465959 | co_ron | B | Jan. 23, 2026, 7:07 p.m. | OK | Python 3 | TESTS | 10 | 156 | 22528000 | ||
| 359459649 | bogumil | B | Jan. 23, 2026, 6:13 p.m. | OK | Python 3 | TESTS | 10 | 171 | 307200 | ||
| 359450403 | ishDebugger | B | Jan. 23, 2026, 5:11 p.m. | OK | Python 3 | TESTS | 10 | 171 | 14950400 | ||
| 359500999 | kannakans | B | Jan. 24, 2026, 5:37 a.m. | OK | Python 3 | TESTS | 10 | 187 | 204800 | ||
| 359445288 | rajeevranjan8863 | B | Jan. 23, 2026, 4:33 p.m. | OK | Python 3 | TESTS | 10 | 187 | 204800 | ||
| 359478413 | SergiiKo | B | Jan. 23, 2026, 10:05 p.m. | OK | Python 3 | TESTS | 10 | 203 | 6860800 | ||
| 359450683 | 24bcs10756_kaustubh | B | Jan. 23, 2026, 5:13 p.m. | OK | Python 3 | TESTS | 10 | 218 | 307200 | ||
| 359445123 | prathamesh_.PY | B | Jan. 23, 2026, 4:33 p.m. | OK | Python 3 | TESTS | 10 | 218 | 307200 | ||
| 359440483 | SiddharthSNUC | B | Jan. 23, 2026, 4:25 p.m. | OK | Python 3 | TESTS | 10 | 218 | 307200 | ||
| 359495804 | vanshit | B | Jan. 24, 2026, 4:50 a.m. | OK | Rust 2024 | TESTS | 10 | 46 | 3379200 | ||
| 359472792 | charles0123 | B | Jan. 23, 2026, 8:25 p.m. | OK | Rust 2024 | TESTS | 10 | 46 | 3379200 | ||
| 359489883 | StoneXie | B | Jan. 24, 2026, 3:17 a.m. | OK | Rust 2024 | TESTS | 10 | 62 | 3686400 | ||
| 359439329 | PaddyConnolly | B | Jan. 23, 2026, 4:23 p.m. | OK | Rust 2024 | TESTS | 10 | 62 | 11776000 |
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