HarryChen's Competition History

Date Contest Rank Performance New Rating Diff
KEYENCE Programming Contest 2023 Summer(AtCoder Beginner Contest 315) 2172 1094 113 -
GAMEFREAK Programming Contest 2023 (AtCoder Beginner Contest 317) 1148 1469 561 +448
THIRD PROGRAMMING CONTEST 2023 ALGO(AtCoder Beginner Contest 318) 1809 1266 747 +186
AtCoder Beginner Contest 319 2150 1196 838 +91
SuntoryProgrammingContest2023(AtCoder Beginner Contest 321) 1470 1370 944 +106
UNIQUE VISION Programming Contest 2023 Autumn(AtCoder Beginner Contest 323) 1906 1226 989 +45
Panasonic Programming Contest 2023(AtCoder Beginner Contest 326) 771 1650 1115 +126
HHKB Programming Contest 2023(AtCoder Beginner Contest 327) 3235 940 1087 -28
Toyota Programming Contest 2023#7(AtCoder Beginner Contest 328) 2201 1154 1093 +6
TOYOTA SYSTEMS Programming Contest 2023(AtCoder Beginner Contest 330) 1425 1326 1125 +32
Daiwa Securities Co. Ltd. Programming Contest 2023(AtCoder Beginner Contest 331) 2104 1154 1127 +2
AtCoder Beginner Contest 332 2249 1021 1113 -14
Toyota Programming Contest 2023#8(AtCoder Beginner Contest 333) 1000 1554 1176 +63
UNIQUE VISION Programming Contest 2023 Christmas (AtCoder Beginner Contest 334) 3336 860 1141 -35
AtCoder Beginner Contest 335 (Sponsored by Mynavi) 1416 1356 1168 +27
AtCoder Beginner Contest 336 2768 966 1146 -22
Toyota Programming Contest 2024#1(AtCoder Beginner Contest 337) 2452 1137 1144 -2
HUAWEI Programming Contest 2024(AtCoder Beginner Contest 342) 1569 1356 1170 +26
AtCoder Beginner Contest 343 1341 1417 1200 +30
Toyota Programming Contest 2024#3(AtCoder Beginner Contest 344) 2382 1145 1193 -7
Monoxer Programming Contest 2024(AtCoder Beginner Contest 345) 2169 1180 1192 -1
AtCoder Beginner Contest 356 836 1683 1256 +64
SuntoryProgrammingContest2024(AtCoder Beginner Contest 357) 479 1917 1347 +91
AtCoder Beginner Contest 358 460 1942 1427 +80
UNIQUE VISION Programming Contest 2024 Summer (AtCoder Beginner Contest 359) 2463 1154 1401 -26
UNIQUE VISION Programming Contest 2024 Autumn (AtCoder Beginner Contest 372) 175 - - -
AtCoder Beginner Contest 373 185 2275 1530 +129
Panasonic Programming Contest 2024(AtCoder Beginner Contest 375) 102 2400 1658 +128
AtCoder Beginner Contest 376 1088 1553 1647 -11
TOYOTA SYSTEMS Programming Contest 2024(AtCoder Beginner Contest 377) 8550 - - -
AtCoder Beginner Contest 381 4716 - - -
Daiwa Securities Co. Ltd. Programming Contest 2024(AtCoder Beginner Contest 383) 177 2240 1725 +78
HHKB Programming Contest 2025(AtCoder Beginner Contest 388) 527 - - -
AtCoder Regular Contest 190 (Div. 1) 670 - - -
AtCoder Beginner Contest 395 11051 - - -
AtCoder Beginner Contest 407 201 2182 1781 +56
AtCoder Beginner Contest 449 99 2357 1855 +74
AtCoder Beginner Contest 451 231 2153 1890 +35
AtCoder Grand Contest 077 100 - - -
AtCoder Regular Contest 217 369 1936 1894 +4
AtCoder Beginner Contest 453 10425 - - -
AtCoder Beginner Contest 460 288 2078 1915 +21
AtCoder Beginner Contest 461 164 2279 1957 +42
CodeQUEEN 2026 -qual- (AtCoder Beginner Contest 462) 25 2400 2011 +54
AtCoder Beginner Contest 463 109 - - -
Japanese Student Championship 2026 -Advance- Qualification (AtCoder Beginner Contest 464) 49 - - -
AtCoder Regular Contest 223 90 2553 2079 +68
AtCoder Beginner Contest 465 6 - - -
AtCoder Regular Contest 225 250 2098 2081 +2
UNIQUE VISION Programming Contest 2026 Summer (AtCoder Regular Contest 226) 81 2541 2137 +56
AtCoder Regular Contest 227 48 2762 2218 +81
AtCoder Regular Contest++ 228 160 2318 2228 +10