• Profile
• Competition History

roychuang's Competition History

• Algorithm
• Heuristic

Date	Contest	Rank	Performance	New Rating	Diff
2024-12-21 22:40:00+0900	UNIQUE VISION Programming Contest 2024 Christmas (AtCoder Beginner Contest 385)	9436	38	2	-
2025-02-15 22:40:00+0900	AtCoder Beginner Contest 393	6697	443	28	+26
2025-03-22 22:40:00+0900	UNIQUE VISION Programming Contest 2025 Spring (AtCoder Beginner Contest 398)	4724	730	93	+65
2025-04-05 22:40:00+0900	AtCoder Beginner Contest 400	4620	758	173	+80
2025-07-26 22:40:00+0900	AtCoder Beginner Contest 416	5357	680	239	+66
2025-08-02 22:40:00+0900	AtCoder Beginner Contest 417	5175	678	299	+60
2025-10-04 22:40:00+0900	AtCoder Beginner Contest 426	4763	751	366	+67
2025-12-13 22:40:00+0900	AtCoder Beginner Contest 436	7513	332	357	-9
2026-02-28 22:40:00+0900	AtCoder Beginner Contest 447	4870	-	-	-
2026-03-07 22:40:00+0900	AtCoder Beginner Contest 448	4713	809	427	+70
2026-03-21 22:40:00+0900	AtCoder Beginner Contest 450	3694	1028	526	+99
2026-03-28 22:40:00+0900	AtCoder Beginner Contest 451	10159	-	-	-
2026-04-04 22:40:00+0900	AtCoder Beginner Contest 452	4590	881	577	+51
2026-04-11 22:40:00+0900	AtCoder Beginner Contest 453	2904	1163	668	+91
2026-04-18 22:40:00+0900	Keysight Technologies Programming Contest（AtCoder Beginner Contest 454）	2379	1212	749	+81
2026-04-25 22:40:00+0900	Ｓｋｙ Inc, Programming Contest 2026 (AtCoder Beginner Contest 455)	1975	1315	832	+83
2026-05-02 22:40:00+0900	AtCoder Beginner Contest 456	3207	1074	863	+31
2026-05-09 22:40:00+0900	Polaris.AI Programming Contest 2026（AtCoder Beginner Contest 457）	4842	773	852	-11
2026-05-16 22:40:00+0900	AtCoder Beginner Contest 458	2532	1255	905	+53
2026-05-23 22:40:00+0900	Tokio Marine & Nichido Fire Insurance Programming Contest 2026 (AtCoder Beginner Contest 459)	2297	1283	954	+49
2026-05-30 22:40:00+0900	AtCoder Beginner Contest 460	3431	1116	973	+19
2026-06-06 22:40:00+0900	AtCoder Beginner Contest 461	4770	918	966	-7
2026-06-13 22:40:00+0900	CodeQUEEN 2026 -qual- (AtCoder Beginner Contest 462)	4786	-	-	-
2026-06-20 22:40:00+0900	AtCoder Beginner Contest 463	4891	861	955	-11
2026-06-27 22:40:00+0900	Japanese Student Championship 2026 -Advance- Qualification (AtCoder Beginner Contest 464)	4649	771	937	-18
2026-07-04 22:40:00+0900	AtCoder Beginner Contest 465	2946	1185	966	+29
2026-07-25 22:40:00+0900	AtCoder Beginner Contest 468	3522	1127	984	+18
2026-08-01 22:40:00+0900	AtCoder Beginner Contest 469	6996	543	945	-39
2026-08-08 22:40:00+0900	JPRS Programming Contest 2026#2 (AtCoder Beginner Contest 470)	5601	-	-	-
2026-09-06 14:50:00+0900	AtCoder Beginner Contest 474	1101	1389	1000	+55