KojiO's Competition History

Date Contest Rank Performance New Rating Diff
Social Infrastructure Information Systems Division, Hitachi Programming Contest 2020 3870 112 6 -
Panasonic Programming Contest 2020 4832 300 31 +25
AtCoder Grand Contest 043 1682 1105 162 +131
AtCoder Beginner Contest 159 4553 598 220 +58
AtCoder Beginner Contest 160 3358 915 336 +116
AtCoder Beginner Contest 161 7999 165 296 -40
AtCoder Beginner Contest 162 4959 689 352 +56
AtCoder Beginner Contest 163 5386 - - -
AtCoder Beginner Contest 164 5378 666 397 +45
AtCoder Beginner Contest 165 6905 462 403 +6
AtCoder Beginner Contest 166 6965 416 403 ±0
AtCoder Beginner Contest 167 4101 861 471 +68
AtCoder Beginner Contest 168 4233 767 512 +41
NOMURA Programming Competition 2020 1370 1408 666 +154
AtCoder Beginner Contest 169 4643 762 677 +11
Tokio Marine & Nichido Fire Insurance Programming Contest 2020 2360 994 718 +41
AtCoder Beginner Contest 170 4454 738 720 +2
AtCoder Grand Contest 046 1569 - - -
AtCoder Beginner Contest 171 3465 914 743 +23
AtCoder Beginner Contest 172 4795 673 735 -8
AtCoder Beginner Contest 173 3556 913 756 +21
AIsing Programming Contest 2020 4742 470 728 -28
M-SOLUTIONS Programming Contest 2020 1538 1229 794 +66
AtCoder Beginner Contest 174 4110 785 793 -1
AtCoder Grand Contest 047 987 - - -
AtCoder Beginner Contest 175 2016 1154 837 +44
AtCoder Beginner Contest 176 3898 791 832 -5
AtCoder Beginner Contest 177 4604 673 816 -16
AtCoder Beginner Contest 178 5938 460 784 -32
AtCoder Beginner Contest 179 5617 412 750 -34
ACL Beginner Contest 2110 721 747 -3
AtCoder Regular Contest 104 2560 900 764 +17
HHKB Programming Contest 2020 4128 403 731 -33
AtCoder Regular Contest 105 2775 356 698 -33
AtCoder Beginner Contest 180 1696 1019 735 +37
AtCoder Regular Contest 107 2391 729 734 -1
AtCoder Beginner Contest 181 1923 998 764 +30
AtCoder Beginner Contest 183 2428 936 783 +19
AtCoder Regular Contest 108 3125 413 750 -33
AtCoder Beginner Contest 184 2828 905 767 +17
AtCoder Regular Contest 109 3209 329 729 -38
AtCoder Regular Contest 110 (Sponsored by KAJIMA CORPORATION) 2840 484 706 -23
AtCoder Beginner Contest 185 4621 464 684 -22
Panasonic Programming Contest (AtCoder Beginner Contest 186) 4058 420 660 -24
AtCoder Beginner Contest 187 2221 1022 702 +42
AtCoder Beginner Contest 188 1436 1301 779 +77
AtCoder Beginner Contest 189 4777 586 761 -18
AtCoder Beginner Contest 190 4984 570 743 -18
AtCoder Beginner Contest 191 2092 1131 788 +45
Caddi Programming Contest 2021(AtCoder Beginner Contest 193) 3695 679 778 -10
AtCoder Beginner Contest 194 3520 717 772 -6
Panasonic Programming Contest (AtCoder Beginner Contest 195) 3423 704 765 -7
AtCoder Beginner Contest 197(Sponsored by Panasonic) 3418 713 760 -5
AtCoder Beginner Contest 198 1779 1146 805 +45
AtCoder Beginner Contest 199(Sponsored by Panasonic) 1988 1131 842 +37
ZONe Energy Programming Contest 3949 551 816 -26
KYOCERA Programming Contest 2021(AtCoder Beginner Contest 200) 6396 214 764 -52
Mynavi Programming Contest 2021(AtCoder Beginner Contest 201) 3928 681 756 -8
AISing Programming Contest 2021(AtCoder Beginner Contest 202) 3988 657 747 -9
AtCoder Beginner Contest 203(Sponsored by Panasonic) 2877 863 759 +12
AtCoder Beginner Contest 204 3451 777 761 +2
AtCoder Beginner Contest 205 2853 885 774 +13
AtCoder Beginner Contest 206(Sponsored by Panasonic) 4928 488 748 -26
AtCoder Beginner Contest 207 1438 1270 812 +64
AtCoder Beginner Contest 208 4532 518 786 -26
AtCoder Beginner Contest 209 5401 352 749 -37
AtCoder Beginner Contest 210 3172 831 758 +9
AtCoder Beginner Contest 211 5014 425 728 -30
AtCoder Beginner Contest 212 2517 909 748 +20
AtCoder Beginner Contest 213 3611 713 744 -4
AtCoder Beginner Contest 214 4649 471 720 -24
AtCoder Beginner Contest 215 4372 566 705 -15
AtCoder Beginner Contest 216 2049 1032 742 +37
AtCoder Beginner Contest 217 4124 635 732 -10
AtCoder Beginner Contest 218 2441 1021 764 +32
Sciseed Programming Contest 2021(AtCoder Beginner Contest 219) 2408 929 782 +18
AtCoder Beginner Contest 220 2200 1015 808 +26
AtCoder Beginner Contest 221 1687 1203 854 +46
Exawizards Programming Contest 2021(AtCoder Beginner Contest 222) 1866 1105 882 +28
AtCoder Beginner Contest 223 2442 807 874 -8
AtCoder Beginner Contest 224 1888 1014 889 +15
UNICORN Programming Contest 2021(AtCoder Beginner Contest 225) 4487 300 841 -48
AtCoder Beginner Contest 226 3285 657 824 -17
KEYENCE Programming Contest 2021 (AtCoder Beginner Contest 227) 1789 1023 845 +21
TOYOTA SYSTEMS Programming Contest 2021(AtCoder Beginner Contest 228) 2410 869 848 +3
NEC Programming Contest 2021(AtCoder Beginner Contest 229) 4757 188 791 -57
AtCoder Regular Contest 130 1500 547 769 -22
AtCoder Regular Contest 131 2020 506 745 -24
Panasonic Programming Contest 2021(AtCoder Beginner Contest 231) 2467 816 753 +8
M-SOLUTIONS Programming Contest 2021(AtCoder Beginner Contest 232) 2743 700 747 -6
AtCoder Beginner Contest 233 3018 742 747 ±0
AtCoder Beginner Contest 234 3571 704 743 -4
HHKB Programming Contest 2022(AtCoder Beginner Contest 235) 2337 1001 771 +28
AtCoder Beginner Contest 236 5030 467 744 -27
AtCoder Beginner Contest 237 2624 913 762 +18
Monoxer Programming Contest 2022(AtCoder Beginner Contest 238) 1838 1162 809 +47
Denso Create Programming Contest 2022(AtCoder Beginner Contest 239) 3316 738 802 -7
AtCoder Beginner Contest 240 3260 735 796 -6
AtCoder Beginner Contest 241(Sponsored by Panasonic) 3268 833 799 +3
AtCoder Beginner Contest 242 2902 920 812 +13
AtCoder Beginner Contest 243 5724 322 771 -41
AtCoder Beginner Contest 244 1106 1254 829 +58
AtCoder Beginner Contest 246 2054 1096 859 +30
AtCoder Beginner Contest 247 3079 815 855 -4
UNIQUE VISION Programming Contest 2022(AtCoder Beginner Contest 248) 2152 1041 875 +20
Monoxer Programming Contest 2022(AtCoder Beginner Contest 249) 2370 935 881 +6
AtCoder Beginner Contest 250 2380 948 888 +7
Panasonic Programming Contest 2022(AtCoder Beginner Contest 251) 2561 888 888 ±0
AtCoder Beginner Contest 252 3709 733 873 -15
NOMURA Programming Contest 2022(AtCoder Beginner Contest 253) 4682 499 841 -32
AtCoder Beginner Contest 254 2773 925 849 +8
Aising Programming Contest 2022(AtCoder Beginner Contest 255) 2248 1030 869 +20
Tokio Marine & Nichido Fire Insurance Programming Contest 2022(AtCoder Beginner Contest 256) 2326 985 881 +12
NS Solutions Corporation Programming Contest 2022(AtCoder Beginner Contest 257) 2111 1043 898 +17
AtCoder Beginner Contest 258 2213 1096 920 +22
AtCoder Beginner Contest 259 1664 1233 955 +35
AtCoder Beginner Contest 260 2623 936 953 -2
AtCoder Beginner Contest 261 2288 1043 963 +10
AtCoder Beginner Contest 262 2327 963 963 ±0
LINE Verda Programming Contest(AtCoder Beginner Contest 263) 1583 1225 992 +29
freee Programming Contest 2022(AtCoder Beginner Contest 264) 2142 1047 997 +5
AtCoder Beginner Contest 265 3251 740 974 -23
AtCoder Beginner Contest 266 1080 1460 1033 +59
NEC Programming Contest 2022 (AtCoder Beginner Contest 267) 3882 681 1002 -31
UNIQUE VISION Programming Contest 2022 Summer (AtCoder Beginner Contest 268) 3223 738 978 -24
UNICORN Programming Contest 2022(AtCoder Beginner Contest 269) 2831 822 964 -14
TOYOTA MOTOR CORPORATION Programming Contest 2022(AtCoder Beginner Contest 270) 3731 659 937 -27
KYOCERA Programming Contest 2022(AtCoder Beginner Contest 271) 2552 939 937 ±0
AtCoder Beginner Contest 272 2961 814 925 -12
Panasonic Programming Contest 2022(AtCoder Beginner Contest 273) 2726 824 915 -10
キーエンスプログラミングコンテスト2022(AtCoder Beginner Contest 274) 2821 832 907 -8
AtCoder Beginner Contest 275 1675 1105 929 +22
AtCoder Beginner Contest 276 1954 1074 944 +15
Daiwa Securities Co. Ltd. Programming Contest 2022 Autumn (AtCoder Beginner Contest 277) 3346 715 923 -21
AtCoder Beginner Contest 278 4493 501 887 -36
TOYOTA SYSTEMS Programming Contest 2022(AtCoder Beginner Contest 279) 2579 841 883 -4
Denso Create Programming Contest 2022 Winter(AtCoder Beginner Contest 280) 2579 920 886 +3
AtCoder Beginner Contest 281 3983 633 863 -23
HHKB Programming Contest 2022 Winter(AtCoder Beginner Contest 282) 2776 839 861 -2
UNIQUE VISION Programming Contest 2022 Winter(AtCoder Beginner Contest 283) 1635 1148 893 +32
AtCoder Beginner Contest 284 2593 1003 905 +12
AtCoder Beginner Contest 285 1432 1144 931 +26
UL Systems Programming Contest 2023(AtCoder Beginner Contest 286) 2123 980 936 +5
UNIQUE VISION Programming Contest 2023 New Year (AtCoder Beginner Contest 287) 3645 659 911 -25
Toyota Programming Contest 2023 Spring Qual A(AtCoder Beginner Contest 288) 4057 623 885 -26
Sky Inc, Programming Contest 2023(AtCoder Beginner Contest 289) 4267 598 860 -25
Toyota Programming Contest 2023 Spring Qual B(AtCoder Beginner Contest 290) 2510 861 860 ±0
AtCoder Beginner Contest 291(Sponsored by TOYOTA SYSTEMS) 2877 842 858 -2
AtCoder Beginner Contest 292 2659 905 863 +5
AtCoder Beginner Contest 293 3419 794 856 -7
AtCoder Beginner Contest 294 1831 1076 880 +24
AtCoder Beginner Contest 295 4295 601 855 -25
AtCoder Beginner Contest 296 3086 822 852 -3
AtCoder Beginner Contest 297 1823 1068 875 +23
TOYOTA MOTOR CORPORATION Programming Contest 2023#1 (AtCoder Beginner Contest 298) 4159 - - -
Tokio Marine & Nichido Fire Insurance Programming Contest 2023(AtCoder Beginner Contest 299) 2081 - - -
UNIQUE VISION Programming Contest 2023 Spring(AtCoder Beginner Contest 300) 1516 1210 913 +38
Panasonic Programming Contest 2023(AtCoder Beginner Contest 301) 1274 1335 963 +50
TOYOTA MOTOR CORPORATION Programming Contest 2023#2 (AtCoder Beginner Contest 302) 1636 1184 987 +24
NS Solutions Corporation Programming Contest 2023(AtCoder Beginner Contest 303) 1719 1172 1007 +20
Tokio Marine & Nichido Fire Insurance Programming Contest 2023(AtCoder Beginner Contest 304) 3038 - - -
KYOCERA Programming Contest 2023(AtCoder Beginner Contest 305) 5084 411 960 -47
Toyota Programming Contest 2023#3(AtCoder Beginner Contest 306) 2363 - - -
Tokio Marine & Nichido Fire Insurance Programming Contest 2023(AtCoder Beginner Contest 307) 4937 393 914 -46
AtCoder Beginner Contest 308 4277 674 892 -22
Denso Create Programming Contest 2023 (AtCoder Beginner Contest 309) 3145 870 890 -2
freee Programming Contest 2023(AtCoder Beginner Contest 310) 2624 1142 918 +28
Toyota Programming Contest 2023#4(AtCoder Beginner Contest 311) 2958 984 925 +7
UNIQUE VISION Programming Contest 2023 Summer(AtCoder Beginner Contest 312) 4684 641 899 -26
AtCoder Beginner Contest 314 5834 425 860 -39
KEYENCE Programming Contest 2023 Summer(AtCoder Beginner Contest 315) 5245 488 827 -33
GAMEFREAK Programming Contest 2023 (AtCoder Beginner Contest 317) 3724 812 826 -1
THIRD PROGRAMMING CONTEST 2023 ALGO(AtCoder Beginner Contest 318) 4654 741 818 -8
AtCoder Beginner Contest 319 1923 1251 869 +51
Toyota Programming Contest 2023#5(AtCoder Beginner Contest 320) 3202 959 878 +9
SuntoryProgrammingContest2023(AtCoder Beginner Contest 321) 4164 770 868 -10
AtCoder Beginner Contest 322 3494 853 866 -2
UNIQUE VISION Programming Contest 2023 Autumn(AtCoder Beginner Contest 323) 2963 976 878 +12
Japan Registry Services (JPRS) Programming Contest 2023 (AtCoder Beginner Contest 324) 2566 1041 895 +17
KEYENCE Programming Contest 2023 Autumn(AtCoder Beginner Contest 325) 3766 682 876 -19
Panasonic Programming Contest 2023(AtCoder Beginner Contest 326) 3074 923 880 +4
HHKB Programming Contest 2023(AtCoder Beginner Contest 327) 2586 1076 902 +22
Toyota Programming Contest 2023#7(AtCoder Beginner Contest 328) 3981 782 890 -12
Sky Inc, Programming Contest 2023(AtCoder Beginner Contest 329) 4745 591 864 -26
TOYOTA SYSTEMS Programming Contest 2023(AtCoder Beginner Contest 330) 2623 986 876 +12
Daiwa Securities Co. Ltd. Programming Contest 2023(AtCoder Beginner Contest 331) 3832 784 867 -9
AtCoder Beginner Contest 332 2821 879 869 +2
Toyota Programming Contest 2023#8(AtCoder Beginner Contest 333) 3175 941 876 +7
UNIQUE VISION Programming Contest 2023 Christmas (AtCoder Beginner Contest 334) 5660 514 845 -31
AtCoder Beginner Contest 335 (Sponsored by Mynavi) 1860 1217 888 +43
AtCoder Beginner Contest 336 4770 591 861 -27
Toyota Programming Contest 2024#1(AtCoder Beginner Contest 337) 3837 883 863 +2
AtCoder Beginner Contest 338 3680 818 859 -4
Japan Registry Services (JPRS) Programming Contest 2024 (AtCoder Beginner Contest 339) 3617 904 864 +5
KAJIMA CORPORATION CONTEST 2024(AtCoder Beginner Contest 340) 3825 782 856 -8
Toyota Programming Contest 2024#2(AtCoder Beginner Contest 341) 3113 959 866 +10
HUAWEI Programming Contest 2024(AtCoder Beginner Contest 342) 3396 912 871 +5
AtCoder Beginner Contest 343 2869 1046 890 +19
Toyota Programming Contest 2024#3(AtCoder Beginner Contest 344) 4171 829 884 -6
Monoxer Programming Contest 2024(AtCoder Beginner Contest 345) 4463 753 871 -13
UNIQUE VISION Programming Contest 2024 Spring(AtCoder Beginner Contest 346) 4467 759 861 -10
AtCoder Beginner Contest 347 3131 987 874 +13
Toyota Programming Contest 2024#4(AtCoder Beginner Contest 348) 4293 748 862 -12
AtCoder Beginner Contest 349 3380 935 869 +7
AtCoder Beginner Contest 350 4594 774 860 -9
AtCoder Beginner Contest 351 2239 1184 897 +37
AtCoder Beginner Contest 352 5234 664 876 -21
AtCoder Beginner Contest 353 4507 805 869 -7
Panasonic Programming Contest 2024(AtCoder Beginner Contest 354) 2474 1144 900 +31
Tokio Marine & Nichido Fire Insurance Programming Contest 2024 (AtCoder Beginner Contest 355) 3851 834 893 -7
AtCoder Beginner Contest 356 6524 587 866 -27
SuntoryProgrammingContest2024(AtCoder Beginner Contest 357) 4292 825 862 -4
AtCoder Beginner Contest 358 3413 973 873 +11
UNIQUE VISION Programming Contest 2024 Summer (AtCoder Beginner Contest 359) 3686 909 877 +4
AtCoder Beginner Contest 360 2172 1103 902 +25
Denso Create Programming Contest 2024(AtCoder Beginner Contest 361) 7227 402 860 -42
Toyota Programming Contest 2024#7(AtCoder Beginner Contest 362) 3382 992 874 +14
AtCoder Beginner Contest 363 7128 445 838 -36
Japan Registry Services (JPRS) Programming Contest 2024#2 (AtCoder Beginner Contest 364) 3377 946 849 +11
Toyota Programming Contest 2024#8(AtCoder Beginner Contest 365) 3880 915 856 +7
AtCoder Beginner Contest 366 5603 645 837 -19
AtCoder Beginner Contest 367 3072 1032 858 +21
Hitachi Vantara Programming Contest 2024(AtCoder Beginner Contest 368) 3851 871 859 +1
AtCoder Beginner Contest 369 2834 1044 879 +20
Toyota Programming Contest 2024#9(AtCoder Beginner Contest 370) 4869 750 867 -12
AtCoder Beginner Contest 371 3405 967 877 +10
UNIQUE VISION Programming Contest 2024 Autumn (AtCoder Beginner Contest 372) 4878 622 854 -23
AtCoder Beginner Contest 373 4112 864 855 +1
KEYENCE Programming Contest 2024(AtCoder Beginner Contest 374) 2753 1104 882 +27
Panasonic Programming Contest 2024(AtCoder Beginner Contest 375) 5936 588 856 -26
AtCoder Beginner Contest 376 3304 981 869 +13
TOYOTA SYSTEMS Programming Contest 2024(AtCoder Beginner Contest 377) 3015 871 869 ±0
AtCoder Beginner Contest 378 2634 1075 892 +23
Toyota Programming Contest 2024#11(AtCoder Beginner Contest 379) 4000 788 882 -10
AtCoder Beginner Contest 380 3242 957 889 +7
AtCoder Beginner Contest 381 3346 718 873 -16
AtCoder Beginner Contest 382 3082 865 873 ±0
Daiwa Securities Co. Ltd. Programming Contest 2024(AtCoder Beginner Contest 383) 4299 742 860 -13
Toyota Programming Contest 2024#12(AtCoder Beginner Contest 384) 1757 1261 907 +47
UNIQUE VISION Programming Contest 2024 Christmas (AtCoder Beginner Contest 385) 3151 928 909 +2
AtCoder Beginner Contest 386 2068 1119 932 +23
AtCoder Beginner Contest 387 3264 863 925 -7
HHKB Programming Contest 2025(AtCoder Beginner Contest 388) 3416 918 925 ±0
Toyota Programming Contest 2025(AtCoder Beginner Contest 389) 2166 1186 954 +29
AtCoder Beginner Contest 390 5306 653 927 -27
AtCoder Beginner Contest 391 3067 966 931 +4
Japan Registry Services (JPRS) Programming Contest 2025#1 (AtCoder Beginner Contest 392) 3283 983 936 +5
KAJIMA CORPORATION CONTEST 2025 (AtCoder Beginner Contest 394) 5791 578 905 -31
AtCoder Beginner Contest 395 4318 810 896 -9
AtCoder Beginner Contest 396 2943 1042 911 +15
OMRON Corporation Programming Contest 2025 (AtCoder Beginner Contest 397) 5218 695 891 -20
UNIQUE VISION Programming Contest 2025 Spring (AtCoder Beginner Contest 398) 3483 923 895 +4
AtCoder Beginner Contest 401 7760 345 850 -45
Tokio Marine & Nichido Fire Insurance Programming Contest 2025 (AtCoder Beginner Contest 402) 2803 1001 866 +16
AtCoder Beginner Contest 403 3826 739 854 -12
AtCoder Beginner Contest 404 4371 754 844 -10
AtCoder Beginner Contest 405 3598 937 854 +10
Panasonic Programming Contest 2025(AtCoder Beginner Contest 406) 2433 1125 884 +30
AtCoder Beginner Contest 407 3331 964 892 +8
AtCoder Beginner Contest 409 4091 829 886 -6
AtCoder Beginner Contest 410 5021 678 867 -19
UNIQUE VISION Programming Contest 2025 Summer (AtCoder Beginner Contest 411) 2647 1009 882 +15
AtCoder Beginner Contest 412 4242 760 870 -12
Denso Create Programming Contest 2025(AtCoder Beginner Contest 413) 5589 554 842 -28
Mirrativ Programming Contest 2025 (AtCoder Beginner Contest 414) 5807 577 818 -24
Japan Registry Services (JPRS) Programming Contest 2025#2 (AtCoder Beginner Contest 415) 5898 543 794 -24
AtCoder Beginner Contest 416 5358 680 783 -11
AtCoder Beginner Contest 417 4145 833 788 +5
AtCoder Beginner Contest 418 6203 534 765 -23
AtCoder Beginner Contest 419 5454 652 754 -11
AtCoder Beginner Contest 421 6958 452 727 -27
AtCoder Beginner Contest 422 3841 487 705 -22
AtCoder Beginner Contest 423 2727 965 734 +29
AtCoder Beginner Contest 424 4374 634 724 -10
UNIQUE VISION Programming Contest 2025 Autumn (AtCoder Beginner Contest 425) 3096 920 746 +22
AtCoder Beginner Contest 426 6393 530 726 -20
Panasonic Programming Contest 2025(AtCoder Beginner Contest 427) 4484 718 725 -1
AtCoder Beginner Contest 428 5460 603 713 -12
Polaris.AI Programming Contest 2025(AtCoder Beginner Contest 429) 2771 994 745 +32
TOYOTA SYSTEMS Programming Contest 2025(AtCoder Beginner Contest 431) 4307 739 744 -1
OMRON Corporation Programming Contest 2025 #2 (AtCoder Beginner Contest 432) 3470 890 760 +16
AtCoder Beginner Contest 433 4913 740 758 -2
Sky Inc, Programming Contest 2025 (AtCoder Beginner Contest 434) 3643 762 758 ±0
AtCoder Beginner Contest 435 5442 621 745 -13