caojinghan's Competition History

Date Contest Rank Performance New Rating Diff
AtCoder Beginner Contest 308 7300 178 9 -
Toyota Programming Contest 2023#4(AtCoder Beginner Contest 311) 8216 248 33 +24
KEYENCE Programming Contest 2023 Summer(AtCoder Beginner Contest 315) 5880 374 68 +35
Japan Registry Services (JPRS) Programming Contest 2024 (AtCoder Beginner Contest 339) 6784 442 107 +39
AtCoder Beginner Contest 343 6573 521 151 +44
Monoxer Programming Contest 2024(AtCoder Beginner Contest 345) 5360 - - -
UNIQUE VISION Programming Contest 2024 Spring(AtCoder Beginner Contest 346) 8125 - - -
AtCoder Beginner Contest 347 9267 - - -
AtCoder Beginner Contest 349 2912 1024 273 +122
AtCoder Beginner Contest 350 5049 708 333 +60
AtCoder Beginner Contest 352 5778 581 365 +32
Panasonic Programming Contest 2024(AtCoder Beginner Contest 354) 5812 - - -
Tokio Marine & Nichido Fire Insurance Programming Contest 2024 (AtCoder Beginner Contest 355) 10669 - - -
AtCoder Beginner Contest 358 7602 - - -
UNIQUE VISION Programming Contest 2024 Summer (AtCoder Beginner Contest 359) 8617 191 334 -31
AtCoder Beginner Contest 360 4061 709 385 +51
Denso Create Programming Contest 2024(AtCoder Beginner Contest 361) 8050 294 371 -14
Toyota Programming Contest 2024#7(AtCoder Beginner Contest 362) 11065 81 317 -54
AtCoder Beginner Contest 363 4890 749 371 +54
AtCoder Beginner Contest 367 4338 - - -
Hitachi Vantara Programming Contest 2024(AtCoder Beginner Contest 368) 6520 440 378 +7
AtCoder Beginner Contest 371 5896 587 404 +26
KEYENCE Programming Contest 2024(AtCoder Beginner Contest 374) 4611 777 453 +49
Panasonic Programming Contest 2024(AtCoder Beginner Contest 375) 9015 - - -
AtCoder Beginner Contest 376 3266 988 527 +74
AtCoder Beginner Contest 380 6133 479 522 -5
AtCoder Regular Contest 187 1071 - - -
AtCoder Beginner Contest 381 2843 844 562 +40
AtCoder Beginner Contest 382 3658 763 585 +23
Daiwa Securities Co. Ltd. Programming Contest 2024(AtCoder Beginner Contest 383) 3664 850 617 +32
Toyota Programming Contest 2024#12(AtCoder Beginner Contest 384) 2843 - - -
UNIQUE VISION Programming Contest 2024 Christmas (AtCoder Beginner Contest 385) 5565 506 605 -12
AtCoder Beginner Contest 386 3860 742 621 +16
AtCoder Beginner Contest 387 2226 1097 681 +60
HHKB Programming Contest 2025(AtCoder Beginner Contest 388) 3576 890 705 +24
Toyota Programming Contest 2025(AtCoder Beginner Contest 389) 6392 - - -
AtCoder Beginner Contest 390 3341 953 734 +29
Japan Registry Services (JPRS) Programming Contest 2025#1 (AtCoder Beginner Contest 392) 4337 802 741 +7
AtCoder Beginner Contest 393 3482 932 762 +21
KAJIMA CORPORATION CONTEST 2025 (AtCoder Beginner Contest 394) 5142 - - -
AtCoder Beginner Contest 395 1898 1240 822 +60
AtCoder Beginner Contest 396 4430 804 820 -2
OMRON Corporation Programming Contest 2025 (AtCoder Beginner Contest 397) 5118 709 809 -11
UNIQUE VISION Programming Contest 2025 Spring (AtCoder Beginner Contest 398) 4903 711 799 -10
AtCoder Beginner Contest 399 1442 - - -
AtCoder Beginner Contest 400 1971 1241 853 +54
AtCoder Beginner Contest 401 2335 1167 889 +36
Tokio Marine & Nichido Fire Insurance Programming Contest 2025 (AtCoder Beginner Contest 402) 2385 1091 911 +22
AtCoder Beginner Contest 404 3032 984 919 +8
AtCoder Beginner Contest 405 2910 1057 934 +15
Panasonic Programming Contest 2025(AtCoder Beginner Contest 406) 1049 - - -
AtCoder Beginner Contest 407 3122 999 941 +7
AtCoder Beginner Contest 408 3365 912 938 -3
AtCoder Beginner Contest 409 3360 951 939 +1
AtCoder Beginner Contest 410 2501 1116 958 +19
UNIQUE VISION Programming Contest 2025 Summer (AtCoder Beginner Contest 411) 2078 1145 978 +20
Denso Create Programming Contest 2025(AtCoder Beginner Contest 413) 4355 752 958 -20
Mirrativ Programming Contest 2025 (AtCoder Beginner Contest 414) 3018 1001 962 +4
Japan Registry Services (JPRS) Programming Contest 2025#2 (AtCoder Beginner Contest 415) 1830 1247 994 +32
AtCoder Beginner Contest 418 1788 1276 1026 +32
AtCoder Beginner Contest 419 2798 1065 1030 +4
AtCoder Beginner Contest 420 2329 1109 1038 +8
AtCoder Beginner Contest 421 8374 - - -
AtCoder Regular Contest 205 (Div. 2) 2114 - - -
AtCoder Beginner Contest 422 5339 79 957 -81
AtCoder Beginner Contest 424 4294 647 930 -27
AtCoder Beginner Contest 426 1291 1448 994 +64
Panasonic Programming Contest 2025(AtCoder Beginner Contest 427) 5061 645 963 -31
AtCoder Beginner Contest 428 4926 675 937 -26
Polaris.AI Programming Contest 2025(AtCoder Beginner Contest 429) 2214 1117 956 +19
OMRON Corporation Programming Contest 2025 #2 (AtCoder Beginner Contest 432) 2936 1009 962 +6
AtCoder Beginner Contest 433 1109 1548 1036 +74
UNIQUE VISION Programming Contest 2025 Christmas (AtCoder Beginner Contest 437) 3023 1069 1039 +3
AtCoder Beginner Contest 440 1611 1404 1081 +42
AtCoder Beginner Contest 441 (Promotion of Engineer Guild Fes) 1687 1406 1118 +37
Denso Create Programming Contest 2026(AtCoder Beginner Contest 443) 5006 720 1084 -34
AtCoder Beginner Contest 444 2253 1305 1108 +24
AtCoder Beginner Contest 447 2629 1145 1112 +4
AtCoder Beginner Contest 448 2293 1236 1125 +13
AtCoder Beginner Contest 449 1961 1337 1148 +23
AtCoder Beginner Contest 450 2718 1205 1154 +6
AtCoder Beginner Contest 451 1135 1583 1205 +51
AtCoder Beginner Contest 452 6310 - - -
AtCoder Regular Contest 217 1121 - - -
AtCoder Beginner Contest 453 5186 - - -
Keysight Technologies Programming Contest(AtCoder Beginner Contest 454) 5157 - - -
AtCoder Beginner Contest 456 1459 1467 1234 +29
AtCoder Regular Contest 218 1088 - - -
Polaris.AI Programming Contest 2026(AtCoder Beginner Contest 457) 2067 1306 1241 +7
AtCoder Beginner Contest 466 7217 - - -
AtCoder Regular Contest-- 224 1365 1108 1229 -12
UNICORNProgramming Contest2026(AtCoder Beginner Contest 477) 577 - - -
AtCoder Beginner Contest 478 601 - - -
AtCoder Regular Contest 231 1123 1035 1211 -18