tatyam's Competition History

Date Contest Rank Performance New Rating Diff
AtCoder Beginner Contest 076 989 375 19 -
AtCoder Beginner Contest 079 899 599 79 +60
AtCoder Beginner Contest 085 1038 297 108 +29
AtCoder Regular Contest 089 856 273 129 +21
「みんなのプロコン 2018」 586 - - -
AtCoder Beginner Contest 088 454 1098 275 +146
AtCoder Beginner Contest 089 296 1331 509 +234
AtCoder Regular Contest 091 609 1199 642 +133
AtCoder Beginner Contest 092 13 1600 839 +197
AtCoder Regular Contest 094 659 904 845 +6
AtCoder Regular Contest 095 612 1212 899 +54
AtCoder Beginner Contest 095 367 948 904 +5
AtCoder Grand Contest 023 800 1299 960 +56
AtCoder Beginner Contest 096 157 1600 1059 +99
AtCoder Beginner Contest 097 541 789 1029 -30
AtCoder Grand Contest 024 558 1668 1125 +96
AtCoder Beginner Contest 098 15 1600 1190 +65
codeFlyer (bitFlyer Programming Contest) 487 - - -
AtCoder Grand Contest 025 866 1344 1208 +18
AtCoder Beginner Contest 099 572 - - -
AtCoder Beginner Contest 100 545 - - -
AtCoder Regular Contest 099 79 2512 1451 +243
AtCoder Regular Contest 100 623 1206 1426 -25
SoundHound Inc. Programming Contest 2018 -Masters Tournament- 726 1317 1414 -12
AtCoder Grand Contest 026 590 1655 1443 +29
AtCoder Beginner Contest 103 185 - - -
SoundHound Programming Contest 2018 Masters Tournament 本戦 (Open) 116 - - -
Mujin Programming Challenge 2018 306 - - -
AtCoder Beginner Contest 104 332 - - -
AtCoder Beginner Contest 105 70 - - -
AtCoder Beginner Contest 106 163 - - -
AtCoder Regular Contest 101 582 1287 1427 -16
AtCoder Regular Contest 102 140 2164 1532 +105
AtCoder Beginner Contest 109 94 - - -
AtCoder Grand Contest 027 296 2023 1595 +63
CODE FESTIVAL 2018 qual A 137 - - -
AtCoder Beginner Contest 110 181 - - -
AtCoder Regular Contest 103 400 1719 1608 +13
AtCoder Beginner Contest 112 268 - - -
AtCoder Grand Contest 028 97 2549 1751 +143
CODE FESTIVAL 2018 qual B 262 - - -
Tenka1 Programmer Contest 217 1933 1772 +21
AtCoder Beginner Contest 113 105 - - -
DISCO presents ディスカバリーチャンネル コードコンテスト2019 予選 151 - - -
Dwango Programming Contest V 253 1888 1784 +12
AtCoder Beginner Contest 114 197 - - -
AtCoder Beginner Contest 115 286 - - -
AtCoder Grand Contest 029 144 2427 1870 +86
CADDi 2018 139 2183 1906 +36
AtCoder Grand Contest 030 148 2405 1969 +63
AISing Programming Contest 2019 308 1847 1957 -12
KEYENCE Programming Contest 2019 448 1696 1933 -24
DISCO presents ディスカバリーチャンネル コードコンテスト2019 本戦 65 - - -
AtCoder Beginner Contest 116 107 - - -
NIKKEI Programming Contest 2019 27 2953 2089 +156
AtCoder Beginner Contest 117 160 - - -
Yahoo Programming Contest 2019 112 2496 2137 +48
AtCoder Beginner Contest 118 51 - - -
全国統一プログラミング王決定戦本戦 120 - - -
AtCoder Beginner Contest 119 8 - - -
AtCoder Beginner Contest 120 27 - - -
AtCoder Beginner Contest 121 21 - - -
AtCoder Grand Contest 031 132 2519 2182 +45
AtCoder Grand Contest 032 50 2982 2294 +112
AtCoder Beginner Contest 122 384 - - -
ExaWizards 2019 88 2489 2315 +21
AtCoder Beginner Contest 123 1578 - - -
AtCoder Beginner Contest 124 116 - - -
Tenka1 Programmer Contest 2019 655 1481 2253 -62
AtCoder Beginner Contest 125 347 - - -
AtCoder Grand Contest 033 181 2298 2258 +5
diverta 2019 Programming Contest 24 - - -
AtCoder Beginner Contest 126 7 - - -
AtCoder Beginner Contest 127 17 - - -
AtCoder Beginner Contest 128 364 - - -
M-SOLUTIONS Programming Contest 114 2382 2271 +13
AtCoder Grand Contest 034 272 2138 2258 -13
AtCoder Beginner Contest 129 486 - - -
diverta 2019 Programming Contest 2 97 2448 2279 +21
AtCoder Beginner Contest 130 8 - - -
AtCoder Beginner Contest 131 197 - - -
AtCoder Beginner Contest 132 13 - - -
AtCoder Beginner Contest 133 843 - - -
AtCoder Grand Contest 035 501 1756 2236 -43
AtCoder Beginner Contest 134 26 - - -
AtCoder Grand Contest 036 43 2947 2331 +95
AtCoder Beginner Contest 135 15 - - -
AtCoder Beginner Contest 136 93 - - -
AtCoder Beginner Contest 137 10 - - -
AtCoder Grand Contest 037 135 2458 2344 +13
AtCoder Beginner Contest 138 79 - - -
Japanese Student Championship 2019 Qualification 144 2325 2342 -2
AtCoder Beginner Contest 139 110 - - -
AtCoder Beginner Contest 140 7 - - -
AtCoder Beginner Contest 141 88 - - -
AtCoder Grand Contest 038 308 1990 2311 -31
AtCoder Beginner Contest 142 86 - - -
AtCoder Grand Contest 039 120 2567 2340 +29
AtCoder Beginner Contest 144 110 - - -
AtCoder Grand Contest 040 182 2220 2328 -12
NIKKEI Programming Contest 2019-2 118 2485 2345 +17
AtCoder Beginner Contest 145 78 - - -
DISCO Presents Discovery Channel Code Contest 2020 Qual 19 3153 2457 +112
AtCoder Beginner Contest 146 48 - - -
Sumitomo Mitsui Trust Bank Programming Contest 2019 53 - - -
AtCoder Beginner Contest 147 84 - - -
第二回全国統一プログラミング王決定戦本戦 86 - - -
AtCoder Beginner Contest 148 78 - - -
AtCoder Grand Contest 041 22 3287 2573 +116
AtCoder Beginner Contest 149 186 - - -
AtCoder Beginner Contest 150 255 - - -
Dwango Programming Contest 6th 92 2531 2569 -4
AtCoder Beginner Contest 151 75 - - -
Keyence Programming Contest 2020 10 3200 2650 +81
AtCoder Beginner Contest 152 25 - - -
DISCO presents ディスカバリーチャンネル コードコンテスト2020 本戦 24 - - -
AtCoder Beginner Contest 153 82 - - -
AtCoder Beginner Contest 154 90 - - -
AtCoder Beginner Contest 155 76 - - -
AtCoder Beginner Contest 156 23 - - -
AtCoder Beginner Contest 157 161 - - -
AtCoder Beginner Contest 158 18 - - -
Social Infrastructure Information Systems Division, Hitachi Programming Contest 2020 109 2512 2637 -13
Panasonic Programming Contest 2020 212 - - -
AtCoder Grand Contest 043 169 2513 2625 -12
AtCoder Beginner Contest 159 20 - - -
AtCoder Beginner Contest 160 21 - - -
AtCoder Beginner Contest 161 9 - - -
AtCoder Beginner Contest 162 66 - - -
AtCoder Beginner Contest 163 66 - - -
AtCoder Beginner Contest 164 44 - - -
AtCoder Beginner Contest 165 18 - - -
AtCoder Beginner Contest 166 113 - - -
AtCoder Beginner Contest 167 62 - - -
AtCoder Beginner Contest 168 3 - - -
AtCoder Grand Contest 044 42 3128 2686 +61
NOMURA Programming Competition 2020 157 2484 2668 -18
AtCoder Beginner Contest 169 16 - - -
AtCoder Grand Contest 045 161 2448 2647 -21
Tokio Marine & Nichido Fire Insurance Programming Contest 2020 229 2303 2617 -30
AtCoder Beginner Contest 170 36 - - -
AtCoder Grand Contest 046 211 2379 2595 -22
AtCoder Beginner Contest 171 68 - - -
AtCoder Beginner Contest 172 69 - - -
AtCoder Beginner Contest 173 8 - - -
AIsing Programming Contest 2020 13 - - -
M-SOLUTIONS Programming Contest 2020 19 - - -
AtCoder Beginner Contest 174 119 - - -
AtCoder Grand Contest 047 61 2950 2636 +41
AtCoder Beginner Contest 175 164 - - -
AtCoder Beginner Contest 176 4 - - -
AtCoder Beginner Contest 177 24 - - -
AtCoder Beginner Contest 178 452 - - -
AtCoder Beginner Contest 179 2 - - -
ACL Contest 1 7 3200 2707 +71
ACL Beginner Contest 17 - - -
AtCoder Regular Contest 104 65 2680 2704 -3
HHKB Programming Contest 2020 11 - - -
AtCoder Grand Contest 048 55 2936 2730 +26
AtCoder Regular Contest 106 111 2477 2707 -23
AtCoder Regular Contest 107 35 2852 2722 +15
AtCoder Grand Contest 049 24 3270 2790 +68
AtCoder Regular Contest 108 111 2520 2766 -24
AtCoder Regular Contest 109 7 3200 2817 +51
AtCoder Regular Contest 110 (Sponsored by KAJIMA CORPORATION) 9 - - -
AtCoder Grand Contest 050 (Good Bye rng_58 Day 1) 173 2309 2775 -42
AtCoder Grand Contest 051 (Good Bye rng_58 Day 2) 65 2850 2783 +8
AtCoder Regular Contest 111 20 3159 2827 +44
KEYENCE Programming Contest 2021 39 - - -
AtCoder Regular Contest 112 4 - - -
AtCoder Regular Contest 113 66 - - -
AtCoder Grand Contest 052 40 3023 2848 +21
AtCoder Regular Contest 114 37 - - -
AtCoder Regular Contest 115 5 - - -
AtCoder Regular Contest 116 206 - - -
AtCoder Grand Contest 053 59 2828 2846 -2
AtCoder Regular Contest 117 19 - - -
AtCoder Regular Contest 118 23 - - -
AtCoder Regular Contest 119 10 - - -
AtCoder Regular Contest 120 14 - - -
NOMURA Programming Contest 2021 (AtCoder Regular Contest 121) 49 - - -
Tokio Marine & Nichido Fire Insurance Programming Contest 2021(AtCoder Regular Contest 122) 24 - - -
AtCoder Grand Contest 054 3 3995 3028 +182
AtCoder Beginner Contest 212 3 - - -
AtCoder Beginner Contest 214 44 - - -
AtCoder Beginner Contest 215 54 - - -
AtCoder Regular Contest 125 256 - - -
AtCoder Beginner Contest 216 21 - - -
AtCoder Beginner Contest 217 263 - - -
AtCoder Beginner Contest 218 222 - - -
Sciseed Programming Contest 2021(AtCoder Beginner Contest 219) 13 - - -
AtCoder Regular Contest 126 144 - - -
AtCoder Regular Contest 127 2 - - -
Exawizards Programming Contest 2021(AtCoder Beginner Contest 222) 59 - - -
Daiwa Securities Co. Ltd. Programming Contest 2021 (AtCoder Regular Contest 128) 33 - - -
UNICORN Programming Contest 2021(AtCoder Beginner Contest 225) 6 - - -
AtCoder Grand Contest 055 15 3441 3076 +48
KEYENCE Programming Contest 2021 (AtCoder Beginner Contest 227) 17 - - -
TOYOTA SYSTEMS Programming Contest 2021(AtCoder Beginner Contest 228) 34 - - -
AtCoder Regular Contest 129 40 - - -
NEC Programming Contest 2021(AtCoder Beginner Contest 229) 28 - - -
AtCoder Regular Contest 130 20 - - -
AtCoder Grand Contest 056 18 3387 3112 +36
AtCoder Regular Contest 131 21 - - -
M-SOLUTIONS Programming Contest 2021(AtCoder Beginner Contest 232) 13 - - -
AtCoder Beginner Contest 233 14 - - -
AtCoder Beginner Contest 234 46 - - -
HHKB Programming Contest 2022(AtCoder Beginner Contest 235) 12 - - -
AtCoder Regular Contest 133 11 - - -
AtCoder Beginner Contest 236 34 - - -
AtCoder Regular Contest 134 2570 - - -
AtCoder Beginner Contest 237 45 - - -
Monoxer Programming Contest 2022(AtCoder Beginner Contest 238) 22 - - -
Denso Create Programming Contest 2022(AtCoder Beginner Contest 239) 100 - - -
AtCoder Beginner Contest 240 77 - - -
AtCoder Beginner Contest 241(Sponsored by Panasonic) 7 - - -
AtCoder Regular Contest 136 29 - - -
AtCoder Beginner Contest 243 30 - - -
AtCoder Beginner Contest 245 12 - - -
AtCoder Beginner Contest 246 2 - - -
Daiwa Securities Co. Ltd. Programming Contest 2022 Spring (AtCoder Regular Contest 138) 49 - - -
UNIQUE VISION Programming Contest 2022(AtCoder Beginner Contest 248) 105 - - -
Monoxer Programming Contest 2022(AtCoder Beginner Contest 249) 5 - - -
AtCoder Regular Contest 139 17 - - -
AtCoder Beginner Contest 250 6508 - - -
Panasonic Programming Contest 2022(AtCoder Beginner Contest 251) 59 - - -
AtCoder Regular Contest 140 46 - - -
NOMURA Programming Contest 2022(AtCoder Beginner Contest 253) 99 - - -
AtCoder Regular Contest 141 17 - - -
AtCoder Beginner Contest 254 6 - - -
Aising Programming Contest 2022(AtCoder Beginner Contest 255) 22 - - -
Tokio Marine & Nichido Fire Insurance Programming Contest 2022(AtCoder Beginner Contest 256) 25 - - -
AtCoder Regular Contest 142 49 - - -
NS Solutions Corporation Programming Contest 2022(AtCoder Beginner Contest 257) 44 - - -
AtCoder Beginner Contest 259 222 - - -
AtCoder Regular Contest 144 6 - - -
AtCoder Beginner Contest 260 18 - - -
AtCoder Beginner Contest 261 7198 - - -
AtCoder Regular Contest 145 2 - - -
AtCoder Beginner Contest 262 4 - - -
LINE Verda Programming Contest(AtCoder Beginner Contest 263) 811 - - -
AtCoder Grand Contest 058 57 2970 3098 -14
AtCoder Beginner Contest 266 7389 - - -
UNIQUE VISION Programming Contest 2022 Summer (AtCoder Beginner Contest 268) 1479 - - -
AtCoder Regular Contest 148 3 - - -
UNICORN Programming Contest 2022(AtCoder Beginner Contest 269) 37 - - -
TOYOTA MOTOR CORPORATION Programming Contest 2022(AtCoder Beginner Contest 270) 9 - - -
AtCoder Regular Contest 149 1812 - - -
AtCoder Beginner Contest 272 2 - - -
AtCoder Regular Contest 150 211 - - -
キーエンスプログラミングコンテスト2022(AtCoder Beginner Contest 274) 43 - - -
AtCoder Beginner Contest 278 4 - - -
AtCoder Regular Contest 152 2052 - - -
TOYOTA SYSTEMS Programming Contest 2022(AtCoder Beginner Contest 279) 28 - - -
Denso Create Programming Contest 2022 Winter(AtCoder Beginner Contest 280) 54 - - -
AtCoder Grand Contest 059 3 3978 3223 +125
AtCoder Beginner Contest 281 20 - - -
HHKB Programming Contest 2022 Winter(AtCoder Beginner Contest 282) 48 - - -
UNIQUE VISION Programming Contest 2022 Winter(AtCoder Beginner Contest 283) 832 - - -
AtCoder Grand Contest 060 26 3242 3225 +2
AtCoder Beginner Contest 284 8 - - -
AtCoder Regular Contest 153 18 - - -
UL Systems Programming Contest 2023(AtCoder Beginner Contest 286) 64 - - -
UNIQUE VISION Programming Contest 2023 New Year (AtCoder Beginner Contest 287) 165 - - -
Toyota Programming Contest 2023 Spring Qual A(AtCoder Beginner Contest 288) 9 - - -
AtCoder Grand Contest 061 140 2585 3175 -50
AtCoder Regular Contest 156 343 - - -
Toyota Programming Contest 2023 Spring Qual B(AtCoder Beginner Contest 290) 8 - - -
AtCoder Regular Contest 157 84 - - -
AtCoder Beginner Contest 291(Sponsored by TOYOTA SYSTEMS) 18 - - -
AtCoder Beginner Contest 292 210 - - -
AtCoder Regular Contest 158 7 - - -
AtCoder Regular Contest 159 357 - - -
Tokio Marine & Nichido Fire Insurance Programming Contest 2023(AtCoder Beginner Contest 299) 187 - - -
UNIQUE VISION Programming Contest 2023 Spring(AtCoder Beginner Contest 300) 48 - - -
AtCoder Regular Contest 160 282 - - -
TOYOTA MOTOR CORPORATION Programming Contest 2023#2 (AtCoder Beginner Contest 302) 60 - - -
AtCoder Grand Contest 062 15 3410 3201 +26
NS Solutions Corporation Programming Contest 2023(AtCoder Beginner Contest 303) 7 - - -
KYOCERA Programming Contest 2023(AtCoder Beginner Contest 305) 27 - - -
Toyota Programming Contest 2023#3(AtCoder Beginner Contest 306) 12 - - -
Tokio Marine & Nichido Fire Insurance Programming Contest 2023(AtCoder Beginner Contest 307) 154 - - -
AtCoder Beginner Contest 308 8 - - -
AtCoder Regular Contest 163 12 - - -
Denso Create Programming Contest 2023 (AtCoder Beginner Contest 309) 13 - - -
AtCoder Regular Contest 164 17 - - -
freee Programming Contest 2023(AtCoder Beginner Contest 310) 15 - - -
Toyota Programming Contest 2023#4(AtCoder Beginner Contest 311) 15 - - -
UNIQUE VISION Programming Contest 2023 Summer(AtCoder Beginner Contest 312) 43 - - -
AtCoder Grand Contest 063 42 3077 3189 -12
AtCoder Beginner Contest 313 117 - - -
AtCoder Beginner Contest 314 6971 - - -
AtCoder Grand Contest 064 34 3127 3183 -6
KEYENCE Programming Contest 2023 Summer(AtCoder Beginner Contest 315) 15 - - -
GAMEFREAK Programming Contest 2023 (AtCoder Beginner Contest 317) 19 - - -
World Tour Finals 2022 Day1(Open Contest) 166 1966 3105 -78
World Tour Finals 2022 Day2(Open Contest) 3 3580 3162 +57
Toyota Programming Contest 2023#5(AtCoder Beginner Contest 320) 28 - - -
SuntoryProgrammingContest2023(AtCoder Beginner Contest 321) 79 - - -
第四回日本最強プログラマー学生選手権 -決勝- 10 - - -
AtCoder Beginner Contest 322 48 - - -
UNIQUE VISION Programming Contest 2023 Autumn(AtCoder Beginner Contest 323) 27 - - -
Japan Registry Services (JPRS) Programming Contest 2023 (AtCoder Beginner Contest 324) 41 - - -
AtCoder Regular Contest 167 198 - - -
KEYENCE Programming Contest 2023 Autumn(AtCoder Beginner Contest 325) 917 - - -
Panasonic Programming Contest 2023(AtCoder Beginner Contest 326) 23 - - -
HHKB Programming Contest 2023(AtCoder Beginner Contest 327) 32 - - -
Toyota Programming Contest 2023#7(AtCoder Beginner Contest 328) 69 - - -
Sky Inc, Programming Contest 2023(AtCoder Beginner Contest 329) 212 - - -
ALGO ARTIS Programming Contest 2023 Autumn(AtCoder Regular Contest 168) 11 - - -
TOYOTA SYSTEMS Programming Contest 2023(AtCoder Beginner Contest 330) 18 - - -
Daiwa Securities Co. Ltd. Programming Contest 2023(AtCoder Beginner Contest 331) 41 - - -
estie Programming Contest 2023 (AtCoder Regular Contest 169) 9 - - -
Toyota Programming Contest 2023#8(AtCoder Beginner Contest 333) 1 - - -
AtCoder Grand Contest 065 41 3073 3154 -8
UNIQUE VISION Programming Contest 2023 Christmas (AtCoder Beginner Contest 334) 81 - - -
AtCoder Beginner Contest 335 (Sponsored by Mynavi) 60 - - -
Toyota Programming Contest 2024#1(AtCoder Beginner Contest 337) 434 - - -
AtCoder Regular Contest 170 19 - - -
Japan Registry Services (JPRS) Programming Contest 2024 (AtCoder Beginner Contest 339) 171 - - -
KAJIMA CORPORATION CONTEST 2024(AtCoder Beginner Contest 340) 8613 - - -
Toyota Programming Contest 2024#2(AtCoder Beginner Contest 341) 20 - - -
AtCoder Regular Contest 172 28 - - -
HUAWEI Programming Contest 2024(AtCoder Beginner Contest 342) 281 - - -
AtCoder Beginner Contest 343 13 - - -
Toyota Programming Contest 2024#3(AtCoder Beginner Contest 344) 11155 - - -
UNIQUE VISION Programming Contest 2024 Spring(AtCoder Beginner Contest 346) 10531 - - -
AtCoder Regular Contest 175 1461 - - -
AtCoder Grand Contest 066 98 2764 3120 -34
Toyota Programming Contest 2024#4(AtCoder Beginner Contest 348) 13 - - -
AtCoder Beginner Contest 349 1009 - - -
AtCoder Beginner Contest 350 113 - - -
AtCoder Beginner Contest 351 3 - - -
AtCoder Beginner Contest 353 582 - - -
AtCoder Regular Contest 177 825 - - -
Panasonic Programming Contest 2024(AtCoder Beginner Contest 354) 11269 - - -
AtCoder Regular Contest 178 66 - - -
Tokio Marine & Nichido Fire Insurance Programming Contest 2024(AtCoder Beginner Contest 355) 805 - - -
AtCoder Beginner Contest 356 3936 - - -
AtCoder Regular Contest 179 267 - - -
SuntoryProgrammingContest2024(AtCoder Beginner Contest 357) 646 - - -
AtCoder Beginner Contest 358 187 - - -
UNIQUE VISION Programming Contest 2024 Summer (AtCoder Beginner Contest 359) 18 - - -
AtCoder Regular Contest 180 71 - - -
AtCoder Beginner Contest 360 8542 - - -
Toyota Programming Contest 2024#7(AtCoder Beginner Contest 362) 58 - - -
AtCoder Beginner Contest 363 89 - - -
Japan Registry Services (JPRS) Programming Contest 2024#2 (AtCoder Beginner Contest 364) 10004 - - -
Toyota Programming Contest 2024#8(AtCoder Beginner Contest 365) 63 - - -
AtCoder Regular Contest 181 78 - - -
AtCoder Beginner Contest 366 76 - - -
AtCoder Regular Contest 182 934 - - -
AtCoder Beginner Contest 367 590 - - -
AtCoder Grand Contest 067 142 2521 3072 -48
Hitachi Vantara Programming Contest 2024(AtCoder Beginner Contest 368) 24 - - -
Marubeni Programming Contest 2024 (AtCoder Regular Contest 183) 415 - - -
AtCoder Beginner Contest 369 351 - - -
Toyota Programming Contest 2024#9(AtCoder Beginner Contest 370) 690 - - -
AtCoder Beginner Contest 371 413 - - -
UNIQUE VISION Programming Contest 2024 Autumn (AtCoder Beginner Contest 372) 1733 - - -
AtCoder Beginner Contest 373 1297 - - -
AtCoder Grand Contest 068 23 3344 3103 +31
KEYENCE Programming Contest 2024(AtCoder Beginner Contest 374) 10503 - - -
Panasonic Programming Contest 2024(AtCoder Beginner Contest 375) 9963 - - -
AtCoder Regular Contest 185 1121 - - -
TOYOTA SYSTEMS Programming Contest 2024(AtCoder Beginner Contest 377) 51 - - -
AtCoder Regular Contest 186 253 - - -
AtCoder Beginner Contest 378 126 - - -
Toyota Programming Contest 2024#11(AtCoder Beginner Contest 379) 12 - - -
AtCoder Beginner Contest 380 316 - - -
AtCoder Grand Contest 069 51 2970 3090 -13
AtCoder Beginner Contest 382 3273 - - -
Daiwa Securities Co. Ltd. Programming Contest 2024(AtCoder Beginner Contest 383) 1834 - - -
AtCoder Regular Contest 189 (Div. 2) 323 - - -