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 |
|---|---|---|---|---|---|---|
| 2055 | Codeforces Round 996 (Div. 2) | FINISHED | False | 7200 | 39713123 | Jan. 12, 2025, 2:35 p.m. |
Solved |
Index |
Name |
Type |
Tags |
Community Tag |
Rating |
|---|---|---|---|---|---|---|
| ( 89 ) | F | Cosmic Divide | PROGRAMMING | brute force geometry hashing math strings |
A polyomino is a connected(^{\text{∗}}) figure constructed by joining one or more equal (1 \times 1) unit squares edge to edge. A polyomino is convex if, for any two squares in the polyomino that share the same row or the same column, all squares between them are also part of the polyomino. Below are four polyominoes, only the first and second of which are convex. You are given a convex polyomino with (n) rows and an even area. For each row (i) from (1) to (n), the unit squares from column (l_i) to column (r_i) are part of the polyomino. In other words, there are (r_i - l_i + 1) unit squares that are part of the polyomino in the (i)-th row: ((i, l_i), (i, l_i + 1), \ldots, (i, r_i-1), (i, r_i)). Two polyominoes are congruent if and only if you can make them fit exactly on top of each other by translating the polyominoes. Note that you are not allowed to rotate or reflect the polyominoes. Determine whether it is possible to partition the given convex polyomino into two disjoint connected polyominoes that are congruent to each other. The following examples illustrate a valid partition of each of the two convex polyominoes shown above: The partitioned polyominoes do not need to be convex, and each unit square should belong to exactly one of the two partitioned polyominoes. (^{\text{∗}})A polyomino is connected if and only if for every two unit squares (u \neq v) that are part of the polyomino, there exists a sequence of distinct squares (s_1, s_2, \ldots, s_k), such that (s_1 = u), (s_k = v), (s_i) are all part of the polyomino, and (s_i, s_{i+1}) share an edge for each (1 \le i \le k - 1). 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. The first line of each test case contains a single integer (n) ((1\le n\le 2\cdot 10^5)) — the number of rows of the polyomin |
| Codeforces Round 996 (Div. 2) Editorial |
Submission Id |
Author(s) |
Index |
Submitted |
Verdict |
Language |
Test Set |
Tests Passed |
Time taken (ms) |
Memory Consumed (bytes) |
Tags |
Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 300775767 | rainboy | F | Jan. 13, 2025, 1:21 a.m. | OK | C++17 (GCC 7-32) | TESTS | 82 | 125 | 7270400 | ||
| 300775762 | rainboy | F | Jan. 13, 2025, 1:21 a.m. | OK | C++20 (GCC 13-64) | TESTS | 82 | 156 | 7270400 | ||
| 300773197 | defnotmee | F | Jan. 12, 2025, 11:44 p.m. | OK | C++20 (GCC 13-64) | TESTS | 82 | 203 | 8396800 | ||
| 300739400 | 244mhq | F | Jan. 12, 2025, 4:19 p.m. | OK | C++20 (GCC 13-64) | TESTS | 81 | 640 | 28876800 | ||
| 300763108 | A_G | F | Jan. 12, 2025, 7:37 p.m. | OK | C++20 (GCC 13-64) | TESTS | 81 | 1749 | 1126400 | ||
| 300759762 | Rubikun | F | Jan. 12, 2025, 6:56 p.m. | OK | C++20 (GCC 13-64) | TESTS | 81 | 2843 | 30310400 | ||
| 300773275 | defnotmee | F | Jan. 12, 2025, 11:47 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 82 | 218 | 8499200 | ||
| 300775742 | rainboy | F | Jan. 13, 2025, 1:20 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 82 | 312 | 7270400 | ||
| 300783948 | Normalizerr | F | Jan. 13, 2025, 4:01 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 82 | 452 | 5324800 | ||
| 300783517 | Normalizerr | F | Jan. 13, 2025, 3:55 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 82 | 452 | 5324800 | ||
| 300739991 | Forested | F | Jan. 12, 2025, 4:20 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 81 | 452 | 5324800 | ||
| 300775699 | rainboy | F | Jan. 13, 2025, 1:19 a.m. | OK | GNU C11 | TESTS | 82 | 171 | 7372800 | ||
| 300753933 | rainboy | F | Jan. 12, 2025, 6 p.m. | OK | GNU C11 | TESTS | 81 | 171 | 7372800 | ||
| 300766600 | Dukkha | F | Jan. 12, 2025, 8:32 p.m. | OK | Java 21 | TESTS | 82 | 281 | 1024000 | ||
| 300774500 | 404-BrainNotFound | F | Jan. 13, 2025, 12:40 a.m. | OK | Java 21 | TESTS | 82 | 343 | 1433600 | ||
| 300766214 | Dukkha | F | Jan. 12, 2025, 8:25 p.m. | OK | Java 21 | TESTS | 82 | 405 | 20787200 |
Back to search problems