• Profile
• Competition History

laichenhao's Competition History

• Algorithm
• Heuristic

Date	Contest	Rank	Performance	New Rating	Diff
2026-04-18 22:40:00+0900	Keysight Technologies Programming Contest（AtCoder Beginner Contest 454）	9004	-	-	-
2026-04-25 22:40:00+0900	Ｓｋｙ Inc, Programming Contest 2026 (AtCoder Beginner Contest 455)	9939	-	-	-
2026-05-02 22:40:00+0900	AtCoder Beginner Contest 456	9380	-	-	-
2026-05-09 22:40:00+0900	Polaris.AI Programming Contest 2026（AtCoder Beginner Contest 457）	9769	-	-	-
2026-05-10 23:00:00+0900	AtCoder Regular Contest-- 219	1458	-	-	-
2026-05-16 22:40:00+0900	AtCoder Beginner Contest 458	9301	-	-	-
2026-05-23 22:40:00+0900	Tokio Marine & Nichido Fire Insurance Programming Contest 2026 (AtCoder Beginner Contest 459)	11101	-	-	-
2026-05-30 22:40:00+0900	AtCoder Beginner Contest 460	8668	-	-	-
2026-06-06 22:40:00+0900	AtCoder Beginner Contest 461	11489	-	-	-
2026-06-13 22:40:00+0900	CodeQUEEN 2026 -qual- (AtCoder Beginner Contest 462)	10134	134	7	-
2026-06-20 22:40:00+0900	AtCoder Beginner Contest 463	7372	-	-	-
2026-06-27 22:40:00+0900	Japanese Student Championship 2026 -Advance- Qualification (AtCoder Beginner Contest 464)	8303	-	-	-
2026-07-04 22:40:00+0900	AtCoder Beginner Contest 465	10295	55	14	+7
2026-07-18 22:40:00+0900	AtCoder Beginner Contest 467	10151	-	-	-
2026-07-25 22:40:00+0900	AtCoder Beginner Contest 468	8858	319	39	+25
2026-08-01 22:40:00+0900	AtCoder Beginner Contest 469	9418	-	-	-