ha_chan's Competition History

Date Contest Rank Performance New Rating Diff
Japan Registry Services (JPRS) Programming Contest 2023 (AtCoder Beginner Contest 324) 5840 463 23 -
KEYENCE Programming Contest 2023 Autumn(AtCoder Beginner Contest 325) 4894 466 73 +50
Panasonic Programming Contest 2023(AtCoder Beginner Contest 326) 5510 525 127 +54
Toyota Programming Contest 2023#7(AtCoder Beginner Contest 328) 3654 843 228 +101
Sky Inc, Programming Contest 2023(AtCoder Beginner Contest 329) 2395 1054 384 +156
ALGO ARTIS Programming Contest 2023 Autumn(AtCoder Regular Contest 168) 1528 877 474 +90
TOYOTA SYSTEMS Programming Contest 2023(AtCoder Beginner Contest 330) 3764 748 516 +42
Daiwa Securities Co. Ltd. Programming Contest 2023(AtCoder Beginner Contest 331) 1919 1207 643 +127
estie Programming Contest 2023 (AtCoder Regular Contest 169) 1345 1351 769 +126
AtCoder Beginner Contest 332 2086 1065 811 +42
Toyota Programming Contest 2023#8(AtCoder Beginner Contest 333) 3034 968 831 +20
UNIQUE VISION Programming Contest 2023 Christmas (AtCoder Beginner Contest 334) 2089 1122 871 +40
AtCoder Beginner Contest 335 (Sponsored by Mynavi) 610 1751 1021 +150
AtCoder Beginner Contest 336 1488 1308 1058 +37
Toyota Programming Contest 2024#1(AtCoder Beginner Contest 337) 1577 1367 1098 +40
AtCoder Regular Contest 170 761 1649 1176 +78
AtCoder Beginner Contest 338 1794 1217 1181 +5
Japan Registry Services (JPRS) Programming Contest 2024 (AtCoder Beginner Contest 339) 2989 1020 1163 -18
AtCoder Regular Contest 171 1685 1044 1151 -12
KAJIMA CORPORATION CONTEST 2024(AtCoder Beginner Contest 340) 2251 1108 1146 -5
Toyota Programming Contest 2024#2(AtCoder Beginner Contest 341) 1281 1435 1181 +35
AtCoder Regular Contest 172 1525 991 1162 -19
HUAWEI Programming Contest 2024(AtCoder Beginner Contest 342) 1023 1572 1213 +51
AtCoder Beginner Contest 343 974 1562 1255 +42
Toyota Programming Contest 2024#3(AtCoder Beginner Contest 344) 965 1578 1294 +39
AtCoder Regular Contest 173 851 1531 1321 +27
Monoxer Programming Contest 2024(AtCoder Beginner Contest 345) 808 1661 1361 +40
AtCoder Regular Contest 174 865 1495 1376 +15
UNIQUE VISION Programming Contest 2024 Spring(AtCoder Beginner Contest 346) 1966 1244 1363 -13
AtCoder Grand Contest 066 421 1384 1365 +2
Toyota Programming Contest 2024#4(AtCoder Beginner Contest 348) 1104 1528 1383 +18
AtCoder Beginner Contest 349 1086 1535 1399 +16
AtCoder Beginner Contest 350 1207 1499 1410 +11
AtCoder Beginner Contest 351 1217 1494 1419 +9
AtCoder Beginner Contest 353 1231 1498 1427 +8
AtCoder Regular Contest 177 839 1449 1429 +2
Panasonic Programming Contest 2024(AtCoder Beginner Contest 354) 3117 1019 1394 -35
Tokio Marine & Nichido Fire Insurance Programming Contest 2024 (AtCoder Beginner Contest 355) 1130 1502 1405 +11
AtCoder Beginner Contest 356 929 1639 1431 +26
SuntoryProgrammingContest2024(AtCoder Beginner Contest 357) 1999 1269 1416 -15
AtCoder Beginner Contest 358 547 1863 1470 +54
UNIQUE VISION Programming Contest 2024 Summer (AtCoder Beginner Contest 359) 458 1953 1529 +59
AtCoder Regular Contest 180 1105 1470 1523 -6
AtCoder Beginner Contest 360 414 1903 1567 +44
Denso Create Programming Contest 2024(AtCoder Beginner Contest 361) 698 1793 1592 +25
Toyota Programming Contest 2024#7(AtCoder Beginner Contest 362) 1625 1391 1573 -19
AtCoder Beginner Contest 363 537 1871 1607 +34
Japan Registry Services (JPRS) Programming Contest 2024#2 (AtCoder Beginner Contest 364) 924 1623 1609 +2
Toyota Programming Contest 2024#8(AtCoder Beginner Contest 365) 1011 1605 1608 -1
Hitachi Vantara Programming Contest 2024(AtCoder Beginner Contest 368) 3169 - - -
Marubeni Programming Contest 2024 (AtCoder Regular Contest 183) 1693 - - -
AtCoder Beginner Contest 369 538 1847 1635 +27
AtCoder Beginner Contest 371 1012 1594 1631 -4
UNIQUE VISION Programming Contest 2024 Autumn (AtCoder Beginner Contest 372) 128 2389 1733 +102
AtCoder Beginner Contest 373 168 2305 1805 +72
KEYENCE Programming Contest 2024(AtCoder Beginner Contest 374) 1156 1558 1783 -22
Panasonic Programming Contest 2024(AtCoder Beginner Contest 375) 797 1707 1775 -8
AtCoder Regular Contest 185 1080 1336 1738 -37
AtCoder Beginner Contest 376 292 2067 1776 +38
TOYOTA SYSTEMS Programming Contest 2024(AtCoder Beginner Contest 377) 247 2025 1803 +27
AtCoder Regular Contest 186 515 1328 1764 -39
AtCoder Beginner Contest 378 903 1621 1750 -14
Toyota Programming Contest 2024#11(AtCoder Beginner Contest 379) 963 1567 1733 -17
estie Programming Contest 2024 (AtCoder Regular Contest 188) 881 1162 1687 -46
AtCoder Beginner Contest 382 1325 1312 1654 -33
Daiwa Securities Co. Ltd. Programming Contest 2024(AtCoder Beginner Contest 383) 379 1948 1687 +33
AtCoder Regular Contest 189 (Div. 2) 637 1664 1685 -2
Toyota Programming Contest 2024#12(AtCoder Beginner Contest 384) 435 1906 1709 +24
UNIQUE VISION Programming Contest 2024 Christmas (AtCoder Beginner Contest 385) 913 1581 1697 -12
AtCoder Beginner Contest 386 148 2282 1771 +74
AtCoder Beginner Contest 387 561 1773 1771 ±0
HHKB Programming Contest 2025(AtCoder Beginner Contest 388) 261 2113 1810 +39
AtCoder Regular Contest 190 (Div. 1) 670 - - -
Toyota Programming Contest 2025(AtCoder Beginner Contest 389) 196 2231 1860 +50
AtCoder Beginner Contest 390 256 2114 1888 +28
AtCoder Regular Contest 191 (Div. 2) 152 2324 1940 +52
AtCoder Beginner Contest 391 1170 1471 1901 -39
AtCoder Regular Contest 192 (Div. 2) 1185 952 1834 -67
AtCoder Beginner Contest 393 214 2156 1871 +37
KAJIMA CORPORATION CONTEST 2025 (AtCoder Beginner Contest 394) 480 1901 1874 +3
AtCoder Beginner Contest 395 299 1992 1886 +12
OMRON Corporation Programming Contest 2025 (AtCoder Beginner Contest 397) 193 2202 1922 +36
UNIQUE VISION Programming Contest 2025 Spring (AtCoder Beginner Contest 398) 1183 1466 1884 -38
AtCoder Beginner Contest 399 615 1753 1871 -13
AtCoder Beginner Contest 401 187 2266 1917 +46
Tokio Marine & Nichido Fire Insurance Programming Contest 2025 (AtCoder Beginner Contest 402) 238 2133 1941 +24
AtCoder Beginner Contest 407 1011 1545 1907 -34
UNIQUE VISION Programming Contest 2025 Summer (AtCoder Beginner Contest 411) 260 2044 1921 +14
AtCoder Regular Contest 201 585 1700 1901 -20
Denso Create Programming Contest 2025(AtCoder Beginner Contest 413) 3018 - - -
Mirrativ Programming Contest 2025 (AtCoder Beginner Contest 414) 357 1973 1908 +7
Japan Registry Services (JPRS) Programming Contest 2025#2 (AtCoder Beginner Contest 415) 839 1616 1882 -26
AtCoder Regular Contest 202 (Div. 1) 527 - - -
AtCoder Beginner Contest 416 10840 - - -
AtCoder Beginner Contest 423 7649 - - -
AtCoder Beginner Contest 424 517 - - -
AtCoder Regular Contest 206 (Div. 2) 595 - - -
UNIQUE VISION Programming Contest 2025 Autumn (AtCoder Beginner Contest 425) 1155 - - -
AtCoder Beginner Contest 426 1255 - - -
Panasonic Programming Contest 2025(AtCoder Beginner Contest 427) 2067 - - -
Polaris.AI Programming Contest 2025(AtCoder Beginner Contest 429) 1852 - - -
AtCoder Regular Contest 210 1045 - - -
Sky Inc, Programming Contest 2025 (AtCoder Beginner Contest 434) 1070 - - -