kokosei's Competition History

Date Contest Duration Rank Performance New Rating Diff
Toyota Programming Contest 2023 Spring Qual B(AtCoder Beginner Contest 290) 01:40 1226 1326 202 -
AtCoder Beginner Contest 291(Sponsored by TOYOTA SYSTEMS) 01:40 2377 970 407 +205
AtCoder Beginner Contest 292 01:40 1393 1275 654 +247
AtCoder Beginner Contest 294 01:40 1886 1057 733 +79
AtCoder Beginner Contest 295 01:40 2407 1004 777 +44
AtCoder Beginner Contest 296 01:40 2186 1031 816 +39
AtCoder Beginner Contest 297 01:40 1458 1187 877 +61
TOYOTA MOTOR CORPORATION Programming Contest 2023#1 (AtCoder Beginner Contest 298) 01:40 901 - - -
Tokio Marine & Nichido Fire Insurance Programming Contest 2023(AtCoder Beginner Contest 299) 01:40 1329 - - -
UNIQUE VISION Programming Contest 2023 Spring(AtCoder Beginner Contest 300) 01:40 1746 1130 913 +36
Panasonic Programming Contest 2023(AtCoder Beginner Contest 301) 01:45 1775 1162 948 +35
AtCoder Regular Contest 160 02:00 641 - - -
TOYOTA MOTOR CORPORATION Programming Contest 2023#2 (AtCoder Beginner Contest 302) 01:40 2038 1059 962 +14
NS Solutions Corporation Programming Contest 2023(AtCoder Beginner Contest 303) 01:40 474 1847 1121 +159
KYOCERA Programming Contest 2023(AtCoder Beginner Contest 305) 01:40 550 1767 1223 +102
Toyota Programming Contest 2023#3(AtCoder Beginner Contest 306) 01:40 1604 - - -
AtCoder Regular Contest 162 02:00 494 1789 1308 +85
Tokio Marine & Nichido Fire Insurance Programming Contest 2023(AtCoder Beginner Contest 307) 01:40 804 1567 1342 +34
Denso Create Programming Contest 2023 (AtCoder Beginner Contest 309) 01:40 759 1648 1381 +39
AtCoder Regular Contest 164 02:00 971 1444 1388 +7
freee Programming Contest 2023(AtCoder Beginner Contest 310) 01:40 619 1786 1440 +52
Toyota Programming Contest 2023#4(AtCoder Beginner Contest 311) 01:40 1886 1230 1418 -22
UNIQUE VISION Programming Contest 2023 Summer(AtCoder Beginner Contest 312) 01:40 1285 1418 1418 ±0
AtCoder Beginner Contest 314 01:40 624 1748 1459 +41
AtCoder Grand Contest 064 03:00 758 - - -
KEYENCE Programming Contest 2023 Summer(AtCoder Beginner Contest 315) 01:40 442 1864 1510 +51
GAMEFREAK Programming Contest 2023 (AtCoder Beginner Contest 317) 01:40 714 1708 1533 +23
AtCoder Beginner Contest 319 01:40 442 1926 1582 +49
Toyota Programming Contest 2023#5(AtCoder Beginner Contest 320) 01:40 861 1628 1587 +5
AtCoder Regular Contest 165 02:00 789 1579 1586 -1
SuntoryProgrammingContest2023(AtCoder Beginner Contest 321) 01:40 1414 1390 1567 -19
AtCoder Beginner Contest 322 01:40 653 1724 1584 +17
UNIQUE VISION Programming Contest 2023 Autumn(AtCoder Beginner Contest 323) 01:40 517 1850 1615 +31
AtCoder Regular Contest 166 02:00 1609 358 1533 -82
Japan Registry Services (JPRS) Programming Contest 2023 (AtCoder Beginner Contest 324) 01:40 177 2301 1640 +107
KEYENCE Programming Contest 2023 Autumn(AtCoder Beginner Contest 325) 01:40 475 1799 1657 +17
Panasonic Programming Contest 2023(AtCoder Beginner Contest 326) 01:40 198 2246 1733 +76
HHKB Programming Contest 2023(AtCoder Beginner Contest 327) 01:40 136 2376 1818 +85
Toyota Programming Contest 2023#7(AtCoder Beginner Contest 328) 01:40 409 2001 1838 +20
Sky Inc, Programming Contest 2023(AtCoder Beginner Contest 329) 01:40 548 1788 1833 -5
ALGO ARTIS Programming Contest 2023 Autumn(AtCoder Regular Contest 168) 02:00 459 1867 1837 +4
TOYOTA SYSTEMS Programming Contest 2023(AtCoder Beginner Contest 330) 01:40 281 2040 1859 +22
Daiwa Securities Co. Ltd. Programming Contest 2023(AtCoder Beginner Contest 331) 01:40 997 1543 1831 -28
estie Programming Contest 2023 (AtCoder Regular Contest 169) 02:00 804 1648 1813 -18
AtCoder Beginner Contest 332 01:40 183 2180 1856 +43
Toyota Programming Contest 2023#8(AtCoder Beginner Contest 333) 01:40 206 2290 1908 +52
AtCoder Grand Contest 065 03:00 214 - - -
UNIQUE VISION Programming Contest 2023 Christmas (AtCoder Beginner Contest 334) 01:40 509 1831 1901 -7
AtCoder Beginner Contest 336 01:40 657 1704 1882 -19
Toyota Programming Contest 2024#1(AtCoder Beginner Contest 337) 01:40 564 1849 1879 -3
AtCoder Regular Contest 170 02:00 471 1934 1885 +6
AtCoder Beginner Contest 338 01:40 329 1979 1894 +9
Japan Registry Services (JPRS) Programming Contest 2024 (AtCoder Beginner Contest 339) 01:40 496 1870 1892 -2
AtCoder Regular Contest 171 02:00 821 1578 1864 -28
KAJIMA CORPORATION CONTEST 2024(AtCoder Beginner Contest 340) 01:40 174 2303 1916 +52
Toyota Programming Contest 2024#2(AtCoder Beginner Contest 341) 01:40 437 1935 1918 +2
AtCoder Regular Contest 172 02:00 548 1833 1910 -8
HUAWEI Programming Contest 2024(AtCoder Beginner Contest 342) 01:40 823 1682 1889 -21
AtCoder Beginner Contest 343 01:40 4785 - - -
Toyota Programming Contest 2024#3(AtCoder Beginner Contest 344) 01:40 159 2314 1939 +50
AtCoder Regular Contest 173 02:00 1177 1291 1889 -50
Monoxer Programming Contest 2024(AtCoder Beginner Contest 345) 01:40 508 1861 1886 -3
AtCoder Regular Contest 174 02:00 504 1846 1882 -4
UNIQUE VISION Programming Contest 2024 Spring(AtCoder Beginner Contest 346) 01:40 543 1844 1878 -4
AtCoder Regular Contest 175 02:00 392 1946 1885 +7
AtCoder Beginner Contest 347 01:40 309 2034 1901 +16
AtCoder Grand Contest 066 03:00 421 1384 1858 -43
Toyota Programming Contest 2024#4(AtCoder Beginner Contest 348) 01:40 802 1671 1841 -17
AtCoder Beginner Contest 349 01:40 176 2298 1896 +55
AtCoder Beginner Contest 350 01:40 241 2154 1924 +28
AtCoder Regular Contest 176 02:00 686 1662 1901 -23
AtCoder Beginner Contest 351 01:40 257 2177 1932 +31
AtCoder Beginner Contest 352 01:40 480 1903 1929 -3
AtCoder Beginner Contest 353 01:40 317 2097 1947 +18
AtCoder Regular Contest 177 02:00 237 2185 1973 +26
Panasonic Programming Contest 2024(AtCoder Beginner Contest 354) 01:40 807 1686 1947 -26
AtCoder Regular Contest 178 02:00 211 2177 1972 +25
Tokio Marine & Nichido Fire Insurance Programming Contest 2024 (AtCoder Beginner Contest 355) 01:40 434 1897 1965 -7
AtCoder Beginner Contest 356 01:40 367 2040 1973 +8
AtCoder Regular Contest 179 02:00 616 1762 1953 -20
SuntoryProgrammingContest2024(AtCoder Beginner Contest 357) 01:40 186 2325 1996 +43
AtCoder Beginner Contest 358 01:40 1003 1607 1963 -33
UNIQUE VISION Programming Contest 2024 Summer (AtCoder Beginner Contest 359) 01:40 112 2400 2015 +52
AtCoder Regular Contest 180 02:00 2605 - - -
AtCoder Beginner Contest 360 01:40 760 - - -
Denso Create Programming Contest 2024(AtCoder Beginner Contest 361) 01:40 365 - - -
Toyota Programming Contest 2024#7(AtCoder Beginner Contest 362) 01:40 880 - - -
AtCoder Beginner Contest 363 01:40 97 - - -
Japan Registry Services (JPRS) Programming Contest 2024#2 (AtCoder Beginner Contest 364) 01:40 1533 - - -
Toyota Programming Contest 2024#8(AtCoder Beginner Contest 365) 01:40 903 - - -
AtCoder Regular Contest 181 02:00 465 1948 2008 -7
AtCoder Beginner Contest 366 01:40 1284 - - -
AtCoder Regular Contest 182 02:00 502 1900 1998 -10
AtCoder Beginner Contest 367 01:40 1198 1522 1958 -40
AtCoder Grand Contest 067 03:00 391 - - -
Hitachi Vantara Programming Contest 2024(AtCoder Beginner Contest 368) 01:40 579 1822 1945 -13
Marubeni Programming Contest 2024 (AtCoder Regular Contest 183) 02:00 738 1615 1916 -29
AtCoder Beginner Contest 369 01:40 580 1815 1906 -10
Toyota Programming Contest 2024#9(AtCoder Beginner Contest 370) 01:40 2016 1272 1857 -49
AtCoder Beginner Contest 371 01:40 415 1975 1869 +12
UNIQUE VISION Programming Contest 2024 Autumn (AtCoder Beginner Contest 372) 01:40 242 2127 1898 +29
AtCoder Regular Contest 184 02:00 181 2372 1955 +57
AtCoder Beginner Contest 373 01:40 918 1648 1928 -27
KEYENCE Programming Contest 2024(AtCoder Beginner Contest 374) 01:40 748 1755 1911 -17
Panasonic Programming Contest 2024(AtCoder Beginner Contest 375) 01:40 519 1887 1909 -2
AtCoder Regular Contest 185 02:00 1114 1294 1860 -49
AtCoder Beginner Contest 376 01:40 238 2140 1892 +32
TOYOTA SYSTEMS Programming Contest 2024(AtCoder Beginner Contest 377) 01:40 651 1652 1870 -22
AtCoder Regular Contest 186 02:00 515 - - -
AtCoder Beginner Contest 378 01:40 1464 1393 1830 -40
Toyota Programming Contest 2024#11(AtCoder Beginner Contest 379) 01:40 757 1669 1815 -15
AtCoder Beginner Contest 380 01:40 390 1986 1833 +18
AtCoder Regular Contest 187 02:00 413 1967 1847 +14
AtCoder Beginner Contest 381 01:40 872 1538 1820 -27
estie Programming Contest 2024 (AtCoder Regular Contest 188) 02:00 881 1162 1769 -51
AtCoder Grand Contest 069 03:00 180 - - -
AtCoder Beginner Contest 382 01:40 812 1535 1747 -22
Daiwa Securities Co. Ltd. Programming Contest 2024(AtCoder Beginner Contest 383) 01:40 873 1604 1734 -13
AtCoder Regular Contest 189 (Div. 2) 02:00 981 - - -
Toyota Programming Contest 2024#12(AtCoder Beginner Contest 384) 01:40 473 1868 1748 +14
UNIQUE VISION Programming Contest 2024 Christmas (AtCoder Beginner Contest 385) 01:40 567 1787 1752 +4
AtCoder Beginner Contest 386 01:40 2548 1007 1696 -56
AtCoder Beginner Contest 387 01:40 579 1761 1702 +6
HHKB Programming Contest 2025(AtCoder Beginner Contest 388) 01:40 2881 1021 1650 -52
Toyota Programming Contest 2025(AtCoder Beginner Contest 389) 01:40 175 2256 1727 +77
AtCoder Beginner Contest 390 01:40 594 1791 1733 +6
AtCoder Regular Contest 191 (Div. 2) 02:00 872 1329 1699 -34
AtCoder Beginner Contest 391 01:40 842 1618 1691 -8
Japan Registry Services (JPRS) Programming Contest 2025#1 (AtCoder Beginner Contest 392) 01:40 1975 1267 1655 -36
AtCoder Beginner Contest 393 01:40 205 2173 1718 +63
KAJIMA CORPORATION CONTEST 2025 (AtCoder Beginner Contest 394) 01:40 1804 1299 1683 -35
AtCoder Regular Contest 193 (Div. 1) 02:30 753 1008 1631 -52
AtCoder Beginner Contest 395 01:40 281 2016 1675 +44
OMRON Corporation Programming Contest 2025 (AtCoder Beginner Contest 397) 01:40 1431 1412 1652 -23
UNIQUE VISION Programming Contest 2025 Spring (AtCoder Beginner Contest 398) 01:40 1391 1394 1628 -24
AtCoder Regular Contest 195 (Div. 2) 02:00 853 - - -
AtCoder Beginner Contest 399 01:40 2308 - - -
AtCoder Beginner Contest 400 01:40 1258 1454 1612 -16
AtCoder Beginner Contest 401 01:40 583 1817 1634 +22
Tokio Marine & Nichido Fire Insurance Programming Contest 2025 (AtCoder Beginner Contest 402) 01:40 1213 1438 1616 -18
AtCoder Beginner Contest 403 01:40 4106 - - -
AtCoder Regular Contest 197 (Div. 2) 02:00 464 1868 1644 +28
AtCoder Beginner Contest 405 01:40 666 1742 1654 +10
Panasonic Programming Contest 2025(AtCoder Beginner Contest 406) 01:40 454 1858 1676 +22
AtCoder Beginner Contest 407 01:40 2484 1121 1631 -45
AtCoder Beginner Contest 408 01:40 579 1761 1645 +14
AtCoder Beginner Contest 409 01:40 1581 1341 1618 -27
AtCoder Beginner Contest 410 01:40 2890 1035 1571 -47
AtCoder Regular Contest 200 (Div. 2) 02:00 750 1084 1531 -40
UNIQUE VISION Programming Contest 2025 Summer (AtCoder Beginner Contest 411) 01:40 690 1678 1546 +15
AtCoder Regular Contest 201 02:00 786 1438 1536 -10
AtCoder Beginner Contest 412 01:40 570 1794 1564 +28
Denso Create Programming Contest 2025(AtCoder Beginner Contest 413) 01:40 343 2000 1616 +52
Mirrativ Programming Contest 2025 (AtCoder Beginner Contest 414) 01:40 800 1643 1619 +3
Japan Registry Services (JPRS) Programming Contest 2025#2 (AtCoder Beginner Contest 415) 01:40 736 1673 1624 +5
AtCoder Regular Contest 202 (Div. 1) 02:30 527 - - -
AtCoder Beginner Contest 416 01:40 133 2337 1719 +95
AtCoder Beginner Contest 417 01:40 3477 942 1661 -58
AtCoder Beginner Contest 418 01:40 1963 1232 1625 -36
AtCoder Beginner Contest 419 01:40 270 2051 1675 +50
AtCoder Regular Contest 204 (Div. 1) 02:30 382 - - -
AtCoder Beginner Contest 421 01:40 280 2031 1716 +41
AtCoder Regular Contest 205 (Div. 2) 02:00 717 1673 1712 -4
AtCoder Beginner Contest 422 01:40 981 1302 1677 -35
AtCoder Beginner Contest 423 01:40 679 1637 1673 -4
AtCoder Beginner Contest 424 01:40 3024 893 1615 -58
AtCoder Regular Contest 206 (Div. 2) 02:00 1131 - - -
UNIQUE VISION Programming Contest 2025 Autumn (AtCoder Beginner Contest 425) 01:40 442 1831 1638 +23
Panasonic Programming Contest 2025(AtCoder Beginner Contest 427) 01:40 3107 956 1586 -52
AtCoder Regular Contest 208 (Div. 2) 02:00 1151 - - -
AtCoder Beginner Contest 428 01:40 666 1686 1596 +10
Polaris.AI Programming Contest 2025(AtCoder Beginner Contest 429) 01:40 995 1487 1586 -10
AtCoder Beginner Contest 430 01:40 407 1799 1609 +23
TOYOTA SYSTEMS Programming Contest 2025(AtCoder Beginner Contest 431) 01:40 8912 - - -
OMRON Corporation Programming Contest 2025 #2 (AtCoder Beginner Contest 432) 01:40 505 1818 1632 +23
AtCoder Beginner Contest 433 01:40 844 1650 1633 +1
Sky Inc, Programming Contest 2025 (AtCoder Beginner Contest 434) 01:40 392 1834 1655 +22
AtCoder Beginner Contest 435 01:40 898 1597 1649 -6
AtCoder Beginner Contest 436 01:40 121 2344 1741 +92
UNIQUE VISION Programming Contest 2025 Christmas (AtCoder Beginner Contest 437) 01:40 589 1804 1747 +6
AtCoder Beginner Contest 438 01:40 431 1889 1762 +15
AtCoder Beginner Contest 439 01:40 584 1766 1763 +1
AtCoder Beginner Contest 440 01:40 140 2313 1831 +68
AtCoder Regular Contest 212 (Div. 2) 02:00 340 1957 1844 +13
JPRS Programming Contest 2026#1 (AtCoder Beginner Contest 442) 01:40 392 1967 1857 +13
AtCoder Regular Contest 213 (Div. 1) 02:30 627 - - -
Denso Create Programming Contest 2026(AtCoder Beginner Contest 443) 01:40 1859 1321 1814 -43
AtCoder Beginner Contest 444 01:40 121 2386 1885 +71
AtCoder Beginner Contest 445 01:40 995 1599 1860 -25
AtCoder Beginner Contest 446 01:40 506 1835 1857 -3
AtCoder Regular Contest 215 02:00 1127 - - -
AtCoder Beginner Contest 447 01:40 862 - - -
AtCoder Beginner Contest 448 01:40 115 2273 1906 +49
AtCoder Beginner Contest 449 01:40 603 1795 1896 -10
AtCoder Beginner Contest 450 01:40 970 1649 1873 -23
AtCoder Beginner Contest 451 01:40 1593 1443 1837 -36
AtCoder Beginner Contest 452 01:40 721 1759 1829 -8
AtCoder Beginner Contest 453 01:40 2298 - - -
Keysight Technologies Programming Contest(AtCoder Beginner Contest 454) 01:40 467 1897 1836 +7
Sky Inc, Programming Contest 2026 (AtCoder Beginner Contest 455) 01:40 225 2154 1872 +36
AtCoder Beginner Contest 456 01:40 1148 1572 1845 -27
AtCoder Regular Contest 218 02:00 783 - - -
Polaris.AI Programming Contest 2026(AtCoder Beginner Contest 457) 01:40 795 1713 1833 -12
AtCoder Regular Contest-- 219 02:00 620 1513 1805 -28
SMBC Programming Contest #1 (AtCoder Beginner Contest 458) 01:40 436 1953 1820 +15
AtCoder Regular Contest++ 220 02:30 637 1110 1766 -54
Tokio Marine & Nichido Fire Insurance Programming Contest 2026 (AtCoder Beginner Contest 459) 01:40 1158 1579 1749 -17
AtCoder Beginner Contest 460 01:40 1959 1393 1718 -31
AtCoder Beginner Contest 461 01:40 2268 1337 1685 -33
CodeQUEEN 2026 -qual- (AtCoder Beginner Contest 462) 01:40 2497 1249 1648 -37
Japanese Student Championship 2026 Qualification (AtCoder Regular Contest 222) 02:00 649 1562 1640 -8
AtCoder Beginner Contest 463 01:40 381 2015 1683 +43
Japanese Student Championship 2026 -Advance- Qualification (AtCoder Beginner Contest 464) 01:40 466 1909 1708 +25
AtCoder Regular Contest 223 02:00 455 1763 1713 +5
AtCoder Beginner Contest 465 01:40 96 2400 1804 +91
AtCoder Regular Contest-- 224 02:00 1884 - - -
AtCoder Beginner Contest 467 01:40 9304 - - -
AtCoder Regular Contest 225 02:00 923 1336 1764 -40
AtCoder Beginner Contest 468 01:40 1190 1612 1750 -14
AtCoder Beginner Contest 469 01:40 134 2316 1821 +71
JPRS Programming Contest 2026#2 (AtCoder Beginner Contest 470) 01:40 704 1782 1817 -4
UNIQUE VISION Programming Contest 2026 Summer (AtCoder Regular Contest 226) 02:00 450 1822 1818 +1
AtCoder Beginner Contest 471 01:40 649 1813 1817 -1
AtCoder Regular Contest 227 02:00 497 1786 1814 -3
AtCoder Beginner Contest 472 01:40 1006 1651 1799 -15
AtCoder Beginner Contest 473 01:40 469 1958 1816 +17
AtCoder Regular Contest++ 228 02:30 213 2180 1858 +42
AtCoder Regular Contest-- 229 02:00 490 1954 1868 +10
AtCoder Beginner Contest 474 01:40 1466 1265 1820 -48
AtCoder Beginner Contest 475 01:40 564 1857 1824 +4
JIJ Programming Contest 2026(AtCoder Beginner Contest 476) 01:40 437 1901 1832 +8
AtCoder Regular Contest++ 230 02:30 560 - - -
UNICORNProgramming Contest2026(AtCoder Beginner Contest 477) 01:40 918 1674 1817 -15
AtCoder Beginner Contest 478 01:40 4490 - - -
AtCoder Regular Contest 231 02:00 968 1443 1784 -33
AtCoder Regular Contest++ 232 02:30 325 - - -
AtCoder Beginner Contest 479 01:40 573 1786 1785 +1
SMBC Programming Contest #2 (AtCoder Beginner Contest 481) 01:40 552 1810 1787 +2
AtCoder Regular Contest++ 233 02:30 365 - - -
AtCoder Beginner Contest 482 01:40 1091 1444 1757 -30
AtCoder Beginner Contest 483 01:40 731 1727 1754 -3