AtCoder OJ - Phase 1.4 135 problems 80 hrs Table of Content 2016-2017 Beginner Contests 20 problems 2018-2019 Beginner Contests 30 problems 2020-2021 Beginner Contests 35 problems 2022 Beginner Contests 25 problems 2023 Beginner Contests 25 problems AtCoder - 2016-2017 Beginner Contests 20 problems 01Beginner Contest 64 B 02Beginner Contest 65 B 03Beginner Contest 66 B 04Beginner Contest 67 B 05Beginner Contest 68 B 06Beginner Contest 69 B 07Beginner Contest 70 B 08Beginner Contest 71 B 09Beginner Contest 72 B 10Beginner Contest 73 B 11Beginner Contest 74 B 12Beginner Contest 75 B 13Beginner Contest 76 B 14Beginner Contest 77 B 15Beginner Contest 78 B 16Beginner Contest 79 B 17Beginner Contest 80 B 18Beginner Contest 81 B 19Beginner Contest 82 B 20Beginner Contest 83 B 21Beginner Contest 84 B 22 AtCoder - 2018-2019 Beginner Contests 30 problems 01Beginner Contest 117 B 02Beginner Contest 118 B 03Beginner Contest 119 B 04Beginner Contest 120 B 05Beginner Contest 121 B 06Beginner Contest 122 B 07Beginner Contest 123 B 08Beginner Contest 124 B 09Beginner Contest 125 B 10Beginner Contest 126 B 11Beginner Contest 127 B 12Beginner Contest 128 B 13Beginner Contest 129 B 14Beginner Contest 130 B 15Beginner Contest 131 B 16Beginner Contest 132 B 17Beginner Contest 133 B 18Beginner Contest 134 B 19Beginner Contest 135 B 20Beginner Contest 136 B 21Beginner Contest 137 B 22Beginner Contest 138 B 23Beginner Contest 139 B 24Beginner Contest 140 B 25Beginner Contest 141 B 26Beginner Contest 142 B 27Beginner Contest 143 B 28Beginner Contest 144 B 29Beginner Contest 145 B 30Beginner Contest 146 B 31Beginner Contest 147 B 32Beginner Contest 148 B 33Beginner Contest 149 B 34 AtCoder - 2020-2021 Beginner Contests 35 problems 01Beginner Contest 187 B 02Beginner Contest 188 B 03Beginner Contest 189 B 04Beginner Contest 190 B 05Beginner Contest 191 B 06Beginner Contest 192 B 07Beginner Contest 194 B 08Beginner Contest 196 B 09Beginner Contest 197 B 10Beginner Contest 198 B 11Beginner Contest 199 B 12Beginner Contest 203 B 13Beginner Contest 204 B 14Beginner Contest 205 B 15Beginner Contest 206 B 16Beginner Contest 207 B 17Beginner Contest 208 B 18Beginner Contest 209 B 19Beginner Contest 210 B 20Beginner Contest 211 B 21Beginner Contest 212 B 22Beginner Contest 213 B 23Beginner Contest 214 B 24Beginner Contest 215 B 25Beginner Contest 216 B 26Beginner Contest 217 B 27Beginner Contest 218 B 28Beginner Contest 220 B 29Beginner Contest 221 B 30Beginner Contest 223 B 31Beginner Contest 224 B 32Beginner Contest 226 B 33Beginner Contest 230 B 34Beginner Contest 233 B AtCoder - 2022 Beginner Contests 25 problems 01Beginner Contest 284 B 02Beginner Contest 285 B 03Beginner Contest 286 B 04Beginner Contest 287 B 05Beginner Contest 288 B 06Beginner Contest 289 B 07Beginner Contest 290 B 08Beginner Contest 291 B 09Beginner Contest 292 B 10Beginner Contest 293 B 11Beginner Contest 294 B 12Beginner Contest 295 B 13Beginner Contest 296 B 14Beginner Contest 297 B 15Beginner Contest 298 B 16Beginner Contest 299 B 17Beginner Contest 300 B 18Beginner Contest 301 B 19Beginner Contest 302 B 20Beginner Contest 303 B 21Beginner Contest 304 B 22Beginner Contest 305 B 23Beginner Contest 306 B 24Beginner Contest 307 B 25Beginner Contest 308 B AtCoder - 2023 Beginner Contests 25 problems 01Beginner Contest 309 B 02Beginner Contest 310 B 03Beginner Contest 311 B 04Beginner Contest 312 B 05Beginner Contest 313 B 06Beginner Contest 314 B 07Beginner Contest 315 B 08Beginner Contest 316 B 09Beginner Contest 317 B 10Beginner Contest 318 B 11Beginner Contest 319 B 12Beginner Contest 320 B 13Beginner Contest 321 B 14Beginner Contest 322 B 15Beginner Contest 323 B 16Beginner Contest 324 B 17Beginner Contest 325 B 18Beginner Contest 326 B 19Beginner Contest 327 B 20Beginner Contest 328 B 21Beginner Contest 329 B 22Beginner Contest 330 B 23Beginner Contest 331 B 24Beginner Contest 332 B 25Beginner Contest 333 B