Codeforces Round 1096 (Div. 3)

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2227 Codeforces Round 1096 (Div. 3) FINISHED False 9000 2820287 April 30, 2026, 2:35 p.m.

Problems

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( 26030 ) A Koshary PROGRAMMING implementation math

Yousef is at the coordinates ((0, 0)) and wants to reach a plate of Koshary at ((x, y)). To get there, Yousef takes long steps. From any point ((a, b)), a long step moves him to: ((a + 2, b)) or ((a, b + 2)) However, Yousef is allowed to take at most one short step during his entire journey. A short step moves him to: ((a + 1, b)) or ((a, b + 1)) Can Yousef reach the exact coordinates ((x, y)) of the Koshary plate? The first line contains an integer (t) ((1 \le t \le 100)) — the number of test cases. Each test case contains two integers (x) and (y) ((1 \le x, y \le 10)) — the coordinates of the Koshary plate. For each test case, output " YES " if Yousef can reach the Koshary plate and " NO " otherwise. You can output the answer in any case (upper or lower). For example, the strings " yEs ", " yes ", " Yes ", and " YES " will be recognized as positive responses. In the first test case, it is impossible to reach ((1, 1)) using the mentioned steps. In the second test case, an optimal sequence of steps would be: ()(0, 0) \xrightarrow{long} (0, 2) \xrightarrow{short} (1, 2)() In the third test case, an optimal sequence of steps would be: ()(0, 0) \xrightarrow{long} (0, 2) \xrightarrow{long} (2, 2) \xrightarrow{long} (2, 4) \xrightarrow{long} (4, 4) \xrightarrow{long} (4, 6)()

Tutorials

Codeforces Round 1096 (Div. 3) — Editorial

Submissions

Submission Id
Author(s)
Index
Submitted
Verdict
Language
Test Set
Tests Passed
Time taken (ms)
Memory Consumed (bytes)
Tags
Rating
373197887 Alt-Suchit A May 1, 2026, 5:35 a.m. OK C++17 (GCC 7-32) TESTS 2 0 0
373169787 patolevedant11 A April 30, 2026, 6:36 p.m. OK C++17 (GCC 7-32) TESTS 2 0 0
373166145 Gononajontro_Biggani A April 30, 2026, 5:53 p.m. OK C++17 (GCC 7-32) TESTS 2 0 0
373165344 sidcodeforces_22 A April 30, 2026, 5:44 p.m. OK C++17 (GCC 7-32) TESTS 2 0 0
373162031 GuarnerosGA A April 30, 2026, 5:11 p.m. OK C++17 (GCC 7-32) TESTS 2 0 0
373160634 Songggggggy A April 30, 2026, 5:03 p.m. OK C++17 (GCC 7-32) TESTS 2 0 0
373155895 Mahmudul00 A April 30, 2026, 4:48 p.m. OK C++17 (GCC 7-32) TESTS 2 0 0
373152541 yousufali123 A April 30, 2026, 4:37 p.m. OK C++17 (GCC 7-32) TESTS 2 0 0
373199975 Akash_Thakur A May 1, 2026, 6:06 a.m. OK C++17 (GCC 7-32) TESTS 2 15 0
373199829 tanmaychauhan__ A May 1, 2026, 6:04 a.m. OK C++17 (GCC 7-32) TESTS 2 15 0

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