black9's Competition History

Date Contest Rank Performance New Rating Diff
AtCoder Beginner Contest 144 4869 131 7 -
AtCoder Beginner Contest 145 4278 218 27 +20
AtCoder Beginner Contest 146 3545 363 60 +33
Sumitomo Mitsui Trust Bank Programming Contest 2019 3227 241 81 +21
AtCoder Beginner Contest 147 4054 270 103 +22
AtCoder Beginner Contest 148 3495 481 140 +37
AtCoder Grand Contest 041 1768 893 227 +87
AtCoder Beginner Contest 149 3135 - - -
AtCoder Beginner Contest 150 2201 - - -
Dwango Programming Contest 6th 1845 681 281 +54
AtCoder Beginner Contest 151 3357 582 317 +36
Keyence Programming Contest 2020 2725 517 340 +23
AtCoder Beginner Contest 152 2804 709 389 +49
AtCoder Beginner Contest 153 4275 372 386 -3
AtCoder Beginner Contest 154 3606 532 403 +17
AtCoder Beginner Contest 155 2188 965 486 +83
AtCoder Beginner Contest 156 4280 265 459 -27
AtCoder Beginner Contest 157 2883 729 493 +34
AtCoder Beginner Contest 158 4213 492 492 -1
Social Infrastructure Information Systems Division, Hitachi Programming Contest 2020 1511 1124 582 +90
Panasonic Programming Contest 2020 4491 393 562 -20
AtCoder Beginner Contest 159 5476 411 547 -15
AtCoder Beginner Contest 160 4198 771 573 +26
AtCoder Beginner Contest 161 2911 997 627 +54
AtCoder Beginner Contest 162 3460 924 662 +35
AtCoder Beginner Contest 163 6676 - - -
AtCoder Beginner Contest 164 3220 981 700 +38
AtCoder Beginner Contest 165 5494 661 696 -4
AtCoder Beginner Contest 166 3892 866 715 +19
AtCoder Beginner Contest 167 5223 703 714 -1
AtCoder Beginner Contest 168 6696 386 684 -30
NOMURA Programming Competition 2020 4871 249 643 -41
AtCoder Beginner Contest 169 2200 1188 713 +70
Tokio Marine & Nichido Fire Insurance Programming Contest 2020 1734 1210 775 +62
AtCoder Beginner Contest 170 3430 907 789 +14
AtCoder Grand Contest 046 2164 - - -
AtCoder Beginner Contest 171 5546 581 769 -20
AtCoder Beginner Contest 172 3725 851 778 +9
AtCoder Beginner Contest 173 3606 905 791 +13
AIsing Programming Contest 2020 4785 459 762 -29
M-SOLUTIONS Programming Contest 2020 3240 734 759 -3
AtCoder Beginner Contest 174 6518 362 724 -35
AtCoder Beginner Contest 175 4610 626 715 -9
AtCoder Beginner Contest 176 5070 589 703 -12
AtCoder Beginner Contest 177 2908 981 734 +31
AtCoder Beginner Contest 178 4569 702 731 -3
AtCoder Beginner Contest 179 4771 582 717 -14
HHKB Programming Contest 2020 2509 876 734 +17
AtCoder Regular Contest 106 1614 1122 779 +45
AtCoder Regular Contest 107 2647 598 762 -17
AtCoder Beginner Contest 181 4216 389 730 -32
AtCoder Beginner Contest 182 2330 993 759 +29
AtCoder Beginner Contest 183 2664 874 771 +12
AtCoder Regular Contest 108 2298 810 775 +4
AtCoder Beginner Contest 184 3842 668 765 -10
AtCoder Regular Contest 109 3368 253 720 -45
AtCoder Regular Contest 110 (Sponsored by KAJIMA CORPORATION) 3229 271 681 -39
AtCoder Beginner Contest 185 2373 986 715 +34
Panasonic Programming Contest (AtCoder Beginner Contest 186) 3999 438 690 -25
AtCoder Beginner Contest 187 2076 1063 733 +43
AtCoder Beginner Contest 188 2050 1100 776 +43
KEYENCE Programming Contest 2021 1694 1034 804 +28
AtCoder Beginner Contest 189 4751 591 785 -19
AtCoder Beginner Contest 190 3997 751 781 -4
AtCoder Beginner Contest 191 2874 941 798 +17
AtCoder Regular Contest 112 3262 459 769 -29
AtCoder Beginner Contest 192 2307 1102 807 +38
Caddi Programming Contest 2021(AtCoder Beginner Contest 193) 4405 515 781 -26
AtCoder Beginner Contest 194 6057 184 727 -54
Panasonic Programming Contest (AtCoder Beginner Contest 195) 5383 257 686 -41
AtCoder Beginner Contest 196 3049 867 705 +19
AtCoder Beginner Contest 197(Sponsored by Panasonic) 4120 555 691 -14
AtCoder Beginner Contest 198 4693 485 672 -19
AtCoder Beginner Contest 199(Sponsored by Panasonic) 3039 878 694 +22
ZONe Energy Programming Contest 4171 493 676 -18
KYOCERA Programming Contest 2021(AtCoder Beginner Contest 200) 4760 520 661 -15
Mynavi Programming Contest 2021(AtCoder Beginner Contest 201) 1167 1408 762 +101
AISing Programming Contest 2021(AtCoder Beginner Contest 202) 2230 1048 794 +32
AtCoder Regular Contest 120 1411 688 784 -10
AtCoder Beginner Contest 203(Sponsored by Panasonic) 2820 877 793 +9
AtCoder Beginner Contest 204 3728 720 786 -7
AtCoder Beginner Contest 205 2674 926 801 +15
AtCoder Beginner Contest 206(Sponsored by Panasonic) 2111 1087 833 +32
AtCoder Beginner Contest 207 2343 989 850 +17
AtCoder Beginner Contest 208 2363 998 865 +15
AtCoder Beginner Contest 209 1954 1125 894 +29
AtCoder Beginner Contest 210 3018 865 891 -3
AtCoder Beginner Contest 211 3930 657 870 -21
AtCoder Beginner Contest 212 2451 927 876 +6
AtCoder Beginner Contest 214 3428 742 863 -13
AtCoder Beginner Contest 215 2850 899 867 +4
AtCoder Beginner Contest 216 5617 164 806 -61
AtCoder Beginner Contest 217 3760 713 797 -9
AtCoder Beginner Contest 218 3175 852 803 +6
Sciseed Programming Contest 2021(AtCoder Beginner Contest 219) 2354 944 818 +15
AtCoder Beginner Contest 220 2659 888 825 +7
AtCoder Beginner Contest 221 2438 983 842 +17
Exawizards Programming Contest 2021(AtCoder Beginner Contest 222) 2948 791 837 -5
AtCoder Beginner Contest 223 3893 422 801 -36
AtCoder Beginner Contest 224 2022 969 819 +18
UNICORN Programming Contest 2021(AtCoder Beginner Contest 225) 2326 898 827 +8
AtCoder Beginner Contest 226 1466 1223 874 +47
KEYENCE Programming Contest 2021 (AtCoder Beginner Contest 227) 1926 970 884 +10
TOYOTA SYSTEMS Programming Contest 2021(AtCoder Beginner Contest 228) 1413 1231 924 +40
NEC Programming Contest 2021(AtCoder Beginner Contest 229) 3519 524 889 -35
AtCoder Beginner Contest 230 3055 621 865 -24
AtCoder Regular Contest 131 2246 - - -
Panasonic Programming Contest 2021(AtCoder Beginner Contest 231) 2271 874 866 +1
M-SOLUTIONS Programming Contest 2021(AtCoder Beginner Contest 232) 2185 877 867 +1
AtCoder Beginner Contest 233 2978 754 856 -11
AtCoder Regular Contest 132 1901 - - -
AtCoder Beginner Contest 234 1918 1106 884 +28
HHKB Programming Contest 2022(AtCoder Beginner Contest 235) 2054 1081 905 +21
AtCoder Beginner Contest 236 2516 996 915 +10
AtCoder Regular Contest 134 2311 848 908 -7
AtCoder Beginner Contest 237 3467 719 890 -18
Monoxer Programming Contest 2022(AtCoder Beginner Contest 238) 3978 646 868 -22
AtCoder Regular Contest 135 1648 - - -
Denso Create Programming Contest 2022(AtCoder Beginner Contest 239) 2434 965 878 +10
AtCoder Beginner Contest 240 2991 801 871 -7
AtCoder Beginner Contest 241(Sponsored by Panasonic) 5552 - - -
AtCoder Regular Contest 136 3064 306 824 -47
AtCoder Beginner Contest 242 3123 872 829 +5
AtCoder Beginner Contest 243 3274 812 828 -1
AtCoder Regular Contest 137 2525 701 815 -13
AtCoder Beginner Contest 244 1563 1071 844 +29
AtCoder Beginner Contest 245 3166 826 842 -2
AtCoder Beginner Contest 246 2657 939 852 +10
Daiwa Securities Co. Ltd. Programming Contest 2022 Spring (AtCoder Regular Contest 138) 1985 931 860 +8
AtCoder Beginner Contest 247 1960 1103 887 +27
UNIQUE VISION Programming Contest 2022(AtCoder Beginner Contest 248) 1850 1132 914 +27
Monoxer Programming Contest 2022(AtCoder Beginner Contest 249) 1246 1320 962 +48
AtCoder Regular Contest 139 1051 1095 976 +14
AtCoder Beginner Contest 250 3103 779 957 -19
Panasonic Programming Contest 2022(AtCoder Beginner Contest 251) 1607 1170 981 +24
AtCoder Regular Contest 140 1582 - - -
AtCoder Beginner Contest 252 1748 1193 1004 +23
NOMURA Programming Contest 2022(AtCoder Beginner Contest 253) 1834 1143 1018 +14
AtCoder Regular Contest 141 1571 - - -
AtCoder Beginner Contest 254 3671 744 994 -24
Aising Programming Contest 2022(AtCoder Beginner Contest 255) 2618 937 988 -6
Tokio Marine & Nichido Fire Insurance Programming Contest 2022(AtCoder Beginner Contest 256) 3082 794 970 -18
NS Solutions Corporation Programming Contest 2022(AtCoder Beginner Contest 257) 1712 1168 991 +21
AtCoder Regular Contest 143 2437 - - -
AtCoder Beginner Contest 258 2848 947 987 -4
AtCoder Beginner Contest 259 1521 1282 1020 +33
AtCoder Regular Contest 144 3103 - - -
AtCoder Beginner Contest 260 2225 1041 1022 +2
AtCoder Beginner Contest 261 3248 822 1004 -18
AtCoder Regular Contest 145 2376 - - -
AtCoder Beginner Contest 262 3139 745 980 -24
LINE Verda Programming Contest(AtCoder Beginner Contest 263) 2618 917 974 -6
freee Programming Contest 2022(AtCoder Beginner Contest 264) 2122 1053 982 +8
AtCoder Regular Contest 146 1505 - - -
AtCoder Beginner Contest 265 3159 763 962 -20
AtCoder Beginner Contest 266 2641 936 960 -2
NEC Programming Contest 2022 (AtCoder Beginner Contest 267) 3209 833 948 -12
UNIQUE VISION Programming Contest 2022 Summer (AtCoder Beginner Contest 268) 1457 1247 981 +33
UNICORN Programming Contest 2022(AtCoder Beginner Contest 269) 2760 841 968 -13
TOYOTA MOTOR CORPORATION Programming Contest 2022(AtCoder Beginner Contest 270) 2783 869 958 -10
KYOCERA Programming Contest 2022(AtCoder Beginner Contest 271) 3488 728 937 -21
AtCoder Beginner Contest 272 3138 772 922 -15
AtCoder Regular Contest 150 1762 - - -
Panasonic Programming Contest 2022(AtCoder Beginner Contest 273) 3227 700 901 -21
AtCoder Regular Contest 151 2165 - - -
キーエンスプログラミングコンテスト2022(AtCoder Beginner Contest 274) 2169 1012 913 +12
AtCoder Beginner Contest 275 2760 - - -
AtCoder Beginner Contest 276 3065 792 901 -12
Daiwa Securities Co. Ltd. Programming Contest 2022 Autumn (AtCoder Beginner Contest 277) 3133 767 889 -12
AtCoder Beginner Contest 278 3301 - - -
TOYOTA SYSTEMS Programming Contest 2022(AtCoder Beginner Contest 279) 3278 661 868 -21
Denso Create Programming Contest 2022 Winter(AtCoder Beginner Contest 280) 3012 812 862 -6
AtCoder Beginner Contest 281 3712 - - -
HHKB Programming Contest 2022 Winter(AtCoder Beginner Contest 282) 3092 760 853 -9
UNIQUE VISION Programming Contest 2022 Winter(AtCoder Beginner Contest 283) 3010 763 844 -9
AtCoder Beginner Contest 284 3890 747 835 -9
AtCoder Regular Contest 153 2426 - - -
AtCoder Beginner Contest 285 2014 959 848 +13
UL Systems Programming Contest 2023(AtCoder Beginner Contest 286) 1906 1049 869 +21
AtCoder Regular Contest 154 1925 - - -
UNIQUE VISION Programming Contest 2023 New Year (AtCoder Beginner Contest 287) 2509 929 876 +7
Toyota Programming Contest 2023 Spring Qual A(AtCoder Beginner Contest 288) 1325 1374 936 +60
Sky Inc, Programming Contest 2023(AtCoder Beginner Contest 289) 6861 - - -
AtCoder Regular Contest 156 2322 - - -
Toyota Programming Contest 2023 Spring Qual B(AtCoder Beginner Contest 290) 3226 - - -
AtCoder Regular Contest 157 2361 - - -
AtCoder Beginner Contest 291(Sponsored by TOYOTA SYSTEMS) 2457 948 937 +1
AtCoder Beginner Contest 292 5186 - - -
AtCoder Beginner Contest 293 2661 955 939 +2
AtCoder Beginner Contest 294 1536 1180 966 +27
AtCoder Beginner Contest 295 4827 - - -
AtCoder Beginner Contest 296 4928 - - -
AtCoder Regular Contest 159 1425 - - -
AtCoder Beginner Contest 297 950 1415 1019 +53
TOYOTA MOTOR CORPORATION Programming Contest 2023#1 (AtCoder Beginner Contest 298) 3331 - - -
Tokio Marine & Nichido Fire Insurance Programming Contest 2023(AtCoder Beginner Contest 299) 2060 - - -
UNIQUE VISION Programming Contest 2023 Spring(AtCoder Beginner Contest 300) 2738 - - -
Panasonic Programming Contest 2023(AtCoder Beginner Contest 301) 2098 1070 1025 +6
TOYOTA MOTOR CORPORATION Programming Contest 2023#2 (AtCoder Beginner Contest 302) 2569 - - -
NS Solutions Corporation Programming Contest 2023(AtCoder Beginner Contest 303) 2499 - - -
Tokio Marine & Nichido Fire Insurance Programming Contest 2023(AtCoder Beginner Contest 304) 2949 - - -
KYOCERA Programming Contest 2023(AtCoder Beginner Contest 305) 6994 - - -
Toyota Programming Contest 2023#3(AtCoder Beginner Contest 306) 2113 - - -
Tokio Marine & Nichido Fire Insurance Programming Contest 2023(AtCoder Beginner Contest 307) 3946 617 990 -35
AtCoder Beginner Contest 308 2956 923 983 -7
Denso Create Programming Contest 2023 (AtCoder Beginner Contest 309) 3381 820 968 -15
freee Programming Contest 2023(AtCoder Beginner Contest 310) 2398 1183 991 +23
Toyota Programming Contest 2023#4(AtCoder Beginner Contest 311) 6295 524 952 -39
UNIQUE VISION Programming Contest 2023 Summer(AtCoder Beginner Contest 312) 4522 671 927 -25
AtCoder Beginner Contest 313 2850 988 933 +6
AtCoder Beginner Contest 314 3228 - - -
KEYENCE Programming Contest 2023 Summer(AtCoder Beginner Contest 315) 2695 970 937 +4
GAMEFREAK Programming Contest 2023 (AtCoder Beginner Contest 317) 5317 539 903 -34
THIRD PROGRAMMING CONTEST 2023 ALGO(AtCoder Beginner Contest 318) 3202 961 909 +6
AtCoder Beginner Contest 319 2221 1179 939 +30
Toyota Programming Contest 2023#5(AtCoder Beginner Contest 320) 2566 1081 954 +15
SuntoryProgrammingContest2023(AtCoder Beginner Contest 321) 2550 1068 966 +12
AtCoder Beginner Contest 322 3616 - - -
UNIQUE VISION Programming Contest 2023 Autumn(AtCoder Beginner Contest 323) 3026 963 965 -1
Japan Registry Services (JPRS) Programming Contest 2023 (AtCoder Beginner Contest 324) 5241 - - -
KEYENCE Programming Contest 2023 Autumn(AtCoder Beginner Contest 325) 2064 1071 976 +11
Panasonic Programming Contest 2023(AtCoder Beginner Contest 326) 2938 951 974 -2
HHKB Programming Contest 2023(AtCoder Beginner Contest 327) 2785 1031 980 +6
Toyota Programming Contest 2023#7(AtCoder Beginner Contest 328) 3454 - - -
Sky Inc, Programming Contest 2023(AtCoder Beginner Contest 329) 2265 1088 991 +11
TOYOTA SYSTEMS Programming Contest 2023(AtCoder Beginner Contest 330) 2890 925 985 -6
Daiwa Securities Co. Ltd. Programming Contest 2023(AtCoder Beginner Contest 331) 4156 724 961 -24
AtCoder Beginner Contest 332 2010 1086 974 +13
Toyota Programming Contest 2023#8(AtCoder Beginner Contest 333) 3241 929 970 -4
UNIQUE VISION Programming Contest 2023 Christmas (AtCoder Beginner Contest 334) 4931 599 938 -32
AtCoder Beginner Contest 335 (Sponsored by Mynavi) 3402 888 933 -5
AtCoder Beginner Contest 336 3129 890 929 -4
Toyota Programming Contest 2024#1(AtCoder Beginner Contest 337) 1559 1373 982 +53
AtCoder Beginner Contest 338 2146 1126 997 +15
Japan Registry Services (JPRS) Programming Contest 2024 (AtCoder Beginner Contest 339) 3006 1017 999 +2
KAJIMA CORPORATION CONTEST 2024(AtCoder Beginner Contest 340) 2243 - - -
Toyota Programming Contest 2024#2(AtCoder Beginner Contest 341) 3298 925 992 -7
HUAWEI Programming Contest 2024(AtCoder Beginner Contest 342) 2114 1192 1013 +21
AtCoder Beginner Contest 343 2929 1035 1016 +3
Toyota Programming Contest 2024#3(AtCoder Beginner Contest 344) 2489 1122 1027 +11
Monoxer Programming Contest 2024(AtCoder Beginner Contest 345) 2087 1200 1045 +18
UNIQUE VISION Programming Contest 2024 Spring(AtCoder Beginner Contest 346) 2363 1142 1055 +10
AtCoder Beginner Contest 347 4067 828 1034 -21
Toyota Programming Contest 2024#4(AtCoder Beginner Contest 348) 2897 1013 1032 -2
AtCoder Beginner Contest 349 3538 907 1020 -12
AtCoder Beginner Contest 350 2484 1134 1032 +12
AtCoder Beginner Contest 351 3292 965 1026 -6
AtCoder Beginner Contest 352 4221 816 1006 -20