| AtCoder Regular Contest 117 | 3129 | 200 |  10 | - | |
| AtCoder Beginner Contest 199（Sponsored by Panasonic） | 5893 | 304 | 39 | +29 | |
| ZONe Energy Programming Contest | 4433 | 424 | 79 | +40 | |
| KYOCERA Programming Contest 2021（AtCoder Beginner Contest 200） | 6873 | 153 | 88 | +9 | |
| AtCoder Regular Contest 118 | 2204 | 128 | 92 | +4 | |
| Mynavi Programming Contest 2021（AtCoder Beginner Contest 201） | 5412 | 381 |  121 | +29 | |
| AtCoder Regular Contest 119 | 2705 | 37 | 102 | -19 | |
| AISing Programming Contest 2021（AtCoder Beginner Contest 202） | 5917 | 274 | 120 | +18 | |
| AtCoder Regular Contest 120 | 1756 | 95 | 115 | -5 | |
| AtCoder Beginner Contest 203（Sponsored by Panasonic） | 6291 | 188 | 123 | +8 | |
| AtCoder Beginner Contest 204 | 4328 | 599 | 162 | +39 | |
| AtCoder Beginner Contest 205 | 7421 | 96 | 152 | -10 | |
| AtCoder Beginner Contest 206（Sponsored by Panasonic） | 6402 | 226 | 160 | +8 | |
| AtCoder Beginner Contest 207 | 7979 | 29 | 136 | -24 | |
| AtCoder Grand Contest 054 | 1331 | - | - | - | |
| AtCoder Beginner Contest 208 | 6279 | 193 | 142 | +6 | |
| AtCoder Beginner Contest 209 | 6309 | 204 | 148 | +6 | |
| AtCoder Beginner Contest 210 | 5118 | 427 | 171 | +23 | |
| AtCoder Regular Contest 123 | 3021 | 60 | 154 | -17 | |
| AtCoder Beginner Contest 211 | 4634 | 508 | 182 | +28 | |
| AtCoder Beginner Contest 212 | 6662 | 86 | 169 | -13 | |
| AtCoder Beginner Contest 213 | 5329 | 321 | 182 | +13 | |
| AtCoder Beginner Contest 214 | 5274 | 331 | 196 | +14 | |
| AtCoder Beginner Contest 215 | 5073 | 412 |  214 | +18 | |
| AtCoder Beginner Contest 216 | 6017 | 114 | 201 | -13 | |
| AtCoder Beginner Contest 217 | 5958 | 253 | 206 | +5 | |
| AtCoder Beginner Contest 218 | 4526 | 573 | 237 | +31 | |
| Sciseed Programming Contest 2021（AtCoder Beginner Contest 219） | 4856 | 307 | 243 | +6 | |
| AtCoder Beginner Contest 220 | 4406 | 455 | 262 | +19 | |
| AtCoder Beginner Contest 221 | 4297 | 561 | 288 | +26 | |
| Exawizards Programming Contest 2021（AtCoder Beginner Contest 222） | 5060 | 262 | 286 | -2 | |
| Daiwa Securities Co. Ltd. Programming Contest 2021 (AtCoder Regular Contest 128) | 1821 | 165 | 271 | -15 | |
| AtCoder Beginner Contest 223 | 4275 | 323 | 276 | +5 | |
| AtCoder Beginner Contest 224 | 5475 | 109 | 254 | -22 | |
| UNICORN Programming Contest 2021(AtCoder Beginner Contest 225) | 4802 | 233 | 252 | -2 | |
| AtCoder Beginner Contest 226 | 4952 | 220 | 249 | -3 | |
| KEYENCE Programming Contest 2021 (AtCoder Beginner Contest 227) | 3436 | 468 | 268 | +19 | |
| TOYOTA SYSTEMS Programming Contest 2021(AtCoder Beginner Contest 228) | 4725 | 213 | 262 | -6 | |
| NEC Programming Contest 2021(AtCoder Beginner Contest 229) | 3618 | 493 | 282 | +20 | |
| Panasonic Programming Contest 2021(AtCoder Beginner Contest 231) | 4444 | 288 | 282 | ±0 | |
| M-SOLUTIONS Programming Contest 2021(AtCoder Beginner Contest 232) | 3461 | 490 |  301 | +19 | |
| AtCoder Beginner Contest 233 | 4301 | 394 | 309 | +8 | |
| AtCoder Beginner Contest 234 | 4135 | 580 | 335 | +26 | |
| HHKB Programming Contest 2022（AtCoder Beginner Contest 235） | 5448 | 324 | 334 | -1 | |
| AtCoder Beginner Contest 236 | 4808 | 510 | 351 | +17 | |
| AtCoder Beginner Contest 237 | 5245 | 340 | 350 | -1 | |
| Monoxer Programming Contest 2022（AtCoder Beginner Contest 238） | 6213 | 213 | 334 | -16 | |
| Denso Create Programming Contest 2022(AtCoder Beginner Contest 239) | 5964 | 197 | 318 | -16 | |
| AtCoder Beginner Contest 240 | 4539 | 451 | 330 | +12 | |
| AtCoder Beginner Contest 241（Sponsored by Panasonic） | 7131 | 177 | 312 | -18 | |
| AtCoder Beginner Contest 242 | 6443 | 258 | 307 | -5 | |
| AtCoder Beginner Contest 243 | 5893 | 294 | 305 | -2 | |
| AtCoder Beginner Contest 244 | 4759 | 255 | 300 | -5 | |
| AtCoder Beginner Contest 245 | 2919 | 881 | 363 | +63 | |
| AtCoder Beginner Contest 246 | 5184 | 402 | 366 | +3 | |
| AtCoder Beginner Contest 247 | 5502 | 313 | 361 | -5 | |
| UNIQUE VISION Programming Contest 2022（AtCoder Beginner Contest 248） | 5509 | 266 | 351 | -10 | |
| Monoxer Programming Contest 2022（AtCoder Beginner Contest 249） | 4519 | 424 | 358 | +7 | |
| AtCoder Beginner Contest 250 | 4713 | 432 | 365 | +7 | |
| Panasonic Programming Contest 2022(AtCoder Beginner Contest 251) | 5098 | 329 | 361 | -4 | |
| AtCoder Beginner Contest 252 | 4959 | 498 | 375 | +14 | |
| NOMURA Programming Contest 2022（AtCoder Beginner Contest 253） | 3948 | 648 |  404 | +29 | |
| AtCoder Beginner Contest 254 | 6321 | 260 | 388 | -16 | |
| Aising Programming Contest 2022（AtCoder Beginner Contest 255） | 4139 | 614 | 413 | +25 | |
| Tokio Marine & Nichido Fire Insurance Programming Contest 2022（AtCoder Beginner Contest 256) | 5148 | 343 | 406 | -7 | |
| NS Solutions Corporation Programming Contest 2022（AtCoder Beginner Contest 257） | 5090 | 338 | 398 | -8 | |
| AtCoder Beginner Contest 258 | 5560 | 443 | 403 | +5 | |
| AtCoder Beginner Contest 259 | 6301 | 232 | 383 | -20 | |
| AtCoder Beginner Contest 260 | 6835 | - | - | - | |
| AtCoder Beginner Contest 261 | 5360 | 367 | 382 | -1 | |
| AtCoder Beginner Contest 262 | 5782 | 165 | 354 | -28 | |
| LINE Verda Programming Contest（AtCoder Beginner Contest 263） | 5911 | 195 | 336 | -18 | |
| freee Programming Contest 2022（AtCoder Beginner Contest 264） | 5240 | 314 | 334 | -2 | |
| AtCoder Beginner Contest 265 | 6754 | 44 | 287 | -47 | |
| AtCoder Beginner Contest 266 | 4651 | 501 | 306 | +19 | |
| NEC Programming Contest 2022 (AtCoder Beginner Contest 267) | 6330 | 204 | 295 | -11 | |
| UNIQUE VISION Programming Contest 2022 Summer (AtCoder Beginner Contest 268) | 3941 | 569 | 320 | +25 | |
| UNICORN Programming Contest 2022(AtCoder Beginner Contest 269) | 4869 | 323 | 320 | ±0 | |
| TOYOTA MOTOR CORPORATION Programming Contest 2022(AtCoder Beginner Contest 270) | 6142 | 164 | 302 | -18 | |
| KYOCERA Programming Contest 2022（AtCoder Beginner Contest 271） | 4155 | 568 | 326 | +24 | |
| AtCoder Beginner Contest 272 | 5873 | 211 | 313 | -13 | |
| Panasonic Programming Contest 2022(AtCoder Beginner Contest 273) | 5547 | 212 | 302 | -11 | |
| キーエンスプログラミングコンテスト2022（AtCoder Beginner Contest 274） | 5094 | 279 | 300 | -2 | |
| AtCoder Beginner Contest 275 | 5298 | 234 | 293 | -7 | |
| AtCoder Beginner Contest 276 | 5830 | 227 | 286 | -7 | |
| Daiwa Securities Co. Ltd. Programming Contest 2022 Autumn (AtCoder Beginner Contest 277) | 6444 | 122 | 265 | -21 | |
| AtCoder Beginner Contest 278 | 6318 | 175 | 255 | -10 | |
| TOYOTA SYSTEMS Programming Contest 2022(AtCoder Beginner Contest 279) | 4830 | 303 | 260 | +5 | |
| Denso Create Programming Contest 2022 Winter(AtCoder Beginner Contest 280) | 3368 | 728 | 303 | +43 | |
| AtCoder Beginner Contest 281 | 6264 | 218 | 293 | -10 | |
| HHKB Programming Contest 2022 Winter(AtCoder Beginner Contest 282) | 6064 | 173 | 280 | -13 | |
| UNIQUE VISION Programming Contest 2022 Winter(AtCoder Beginner Contest 283) | 5024 | 321 | 284 | +4 | |
| AtCoder Beginner Contest 284 | 6373 | 307 | 286 | +2 | |
| AtCoder Beginner Contest 285 | 6440 | - | - | - | |
| UL Systems Programming Contest 2023(AtCoder Beginner Contest 286) | 4750 | 325 | 290 | +4 | |
| UNIQUE VISION Programming Contest 2023 New Year (AtCoder Beginner Contest 287) | 6155 | 161 | 275 | -15 | |
| Toyota Programming Contest 2023 Spring Qual A（AtCoder Beginner Contest 288） | 5019 | 420 | 288 | +13 | |
| Ｓｋｙ Inc, Programming Contest 2023（AtCoder Beginner Contest 289） | 6126 | 247 | 283 | -5 | |
| Toyota Programming Contest 2023 Spring Qual B（AtCoder Beginner Contest 290） | 6192 | - | - | - | |
| AtCoder Beginner Contest 291（Sponsored by TOYOTA SYSTEMS） | 3896 | 602 | 312 | +29 | |
| AtCoder Beginner Contest 292 | 6229 | 191 | 298 | -14 | |
| AtCoder Beginner Contest 293 | 5234 | 455 | 312 | +14 | |
| AtCoder Beginner Contest 294 | 4371 | 408 | 321 | +9 | |
| AtCoder Beginner Contest 295 | 6787 | 188 | 306 | -15 | |
| AtCoder Beginner Contest 296 | 6110 | 247 | 300 | -6 | |
| AtCoder Beginner Contest 297 | 3686 | 583 | 326 | +26 | |
| TOYOTA MOTOR CORPORATION Programming Contest 2023#1 (AtCoder Beginner Contest 298) | 4448 | - | - | - | |
| Tokio Marine & Nichido Fire Insurance Programming Contest 2023（AtCoder Beginner Contest 299) | 5383 | - | - | - | |
| UNIQUE VISION Programming Contest 2023 Spring(AtCoder Beginner Contest 300) | 4853 | 390 | 332 | +6 | |
| Panasonic Programming Contest 2023（AtCoder Beginner Contest 301） | 5362 | 398 | 338 | +6 | |
| TOYOTA MOTOR CORPORATION Programming Contest 2023#2 (AtCoder Beginner Contest 302) | 4373 | 548 | 359 | +21 | |
| NS Solutions Corporation Programming Contest 2023（AtCoder Beginner Contest 303） | 6547 | 201 | 340 | -19 | |
| Tokio Marine & Nichido Fire Insurance Programming Contest 2023（AtCoder Beginner Contest 304) | 5996 | - | - | - | |
| KYOCERA Programming Contest 2023（AtCoder Beginner Contest 305） | 4456 | 544 | 360 | +20 | |
| Toyota Programming Contest 2023#3（AtCoder Beginner Contest 306） | 7435 | - | - | - | |
| Tokio Marine & Nichido Fire Insurance Programming Contest 2023（AtCoder Beginner Contest 307) | 4629 | 463 | 370 | +10 | |
| AtCoder Beginner Contest 308 | 6733 | 241 | 355 | -15 | |
| Denso Create Programming Contest 2023 (AtCoder Beginner Contest 309) | 8092 | 99 | 320 | -35 | |
| freee Programming Contest 2023（AtCoder Beginner Contest 310） | 8572 | 461 | 333 | +13 | |
| Toyota Programming Contest 2023#4（AtCoder Beginner Contest 311） | 7085 | 390 | 339 | +6 | |
| UNIQUE VISION Programming Contest 2023 Summer(AtCoder Beginner Contest 312) | 6717 | 280 | 332 | -7 | |
| AtCoder Beginner Contest 313 | 6983 | 342 | 333 | +1 | |
| AtCoder Beginner Contest 314 | 6238 | 366 | 337 | +4 | |
| KEYENCE Programming Contest 2023 Summer（AtCoder Beginner Contest 315） | 6216 | 325 | 336 | -1 | |
| GAMEFREAK Programming Contest 2023 (AtCoder Beginner Contest 317) | 6648 | 286 | 330 | -6 | |
| THIRD PROGRAMMING CONTEST 2023 ALGO（AtCoder Beginner Contest 318） | 11081 | 148 | 308 | -22 | |
| AtCoder Beginner Contest 319 | 7686 | 613 | 337 | +29 | |
| Toyota Programming Contest 2023#5（AtCoder Beginner Contest 320） | 11512 | 119 | 308 | -29 | |
| SuntoryProgrammingContest2023（AtCoder Beginner Contest 321） | 7437 | 330 | 311 | +3 | |
| AtCoder Beginner Contest 322 | 4038 | 753 | 356 | +45 | |
| UNIQUE VISION Programming Contest 2023 Autumn(AtCoder Beginner Contest 323) | 7390 | 303 | 350 | -6 | |
| Japan Registry Services (JPRS) Programming Contest 2023 (AtCoder Beginner Contest 324) | 9316 | 157 | 326 | -24 | |
| KEYENCE Programming Contest 2023 Autumn（AtCoder Beginner Contest 325） | 5271 | 385 | 332 | +6 | |
| Panasonic Programming Contest 2023（AtCoder Beginner Contest 326） | 6743 | 344 | 333 | +1 | |
| HHKB Programming Contest 2023(AtCoder Beginner Contest 327) | 5074 | 620 | 362 | +29 | |
| Toyota Programming Contest 2023#7（AtCoder Beginner Contest 328） | 6904 | 299 | 355 | -7 | |
| Ｓｋｙ Inc, Programming Contest 2023（AtCoder Beginner Contest 329） | 7306 | 192 | 336 | -19 | |
| TOYOTA SYSTEMS Programming Contest 2023(AtCoder Beginner Contest 330) | 5734 | 393 | 341 | +5 | |
| Daiwa Securities Co. Ltd. Programming Contest 2023（AtCoder Beginner Contest 331） | 7278 | 222 | 328 | -13 | |
| AtCoder Beginner Contest 332 | 7139 | 126 | 302 | -26 | |
| Toyota Programming Contest 2023#8（AtCoder Beginner Contest 333） | 8554 | 329 | 305 | +3 | |
| UNIQUE VISION Programming Contest 2023 Christmas (AtCoder Beginner Contest 334) | 6589 | 361 | 310 | +5 | |
| AtCoder Beginner Contest 335 (Sponsored by Mynavi) | 6568 | 445 | 322 | +12 | |
| AtCoder Beginner Contest 336 | 7086 | 206 | 309 | -13 | |
| Toyota Programming Contest 2024#1（AtCoder Beginner Contest 337） | 9782 | 179 | 294 | -15 | |
| AtCoder Beginner Contest 338 | 5195 | 580 | 320 | +26 | |
| Japan Registry Services (JPRS) Programming Contest 2024 (AtCoder Beginner Contest 339) | 9775 | 152 | 300 | -20 | |
| KAJIMA CORPORATION CONTEST 2024（AtCoder Beginner Contest 340） | 5533 | 485 | 316 | +16 | |
| Toyota Programming Contest 2024#2（AtCoder Beginner Contest 341） | 8686 | 225 | 306 | -10 | |
| HUAWEI Programming Contest 2024（AtCoder Beginner Contest 342） | 6281 | 413 | 316 | +10 | |
| AtCoder Beginner Contest 343 | 8852 | 256 | 310 | -6 | |
| Toyota Programming Contest 2024#3（AtCoder Beginner Contest 344） | 9493 | 173 | 294 | -16 | |
| Monoxer Programming Contest 2024（AtCoder Beginner Contest 345） | 9406 | 132 | 274 | -20 | |
| UNIQUE VISION Programming Contest 2024 Spring(AtCoder Beginner Contest 346) | 8685 | 184 | 264 | -10 | |
| AtCoder Beginner Contest 347 | 5900 | 559 | 289 | +25 | |
| Toyota Programming Contest 2024#4（AtCoder Beginner Contest 348） | 4820 | 656 | 324 | +35 | |
| AtCoder Beginner Contest 349 | 7562 | 293 | 321 | -3 | |
| AtCoder Beginner Contest 350 | 6686 | 484 | 336 | +15 | |
| AtCoder Beginner Contest 351 | 7506 | 326 | 335 | -1 | |
| AtCoder Beginner Contest 352 | 8652 | 219 | 322 | -13 | |
| AtCoder Beginner Contest 353 | 10439 | 120 | 296 | -26 | |
| Panasonic Programming Contest 2024（AtCoder Beginner Contest 354） | 7945 | 317 | 298 | +2 | |
| Tokio Marine & Nichido Fire Insurance Programming Contest 2024 (AtCoder Beginner Contest 355) | 8318 | 204 | 287 | -11 | |
| AtCoder Beginner Contest 356 | 11334 | 114 | 265 | -22 | |
| SuntoryProgrammingContest2024（AtCoder Beginner Contest 357） | 8691 | 222 | 261 | -4 | |
| AtCoder Beginner Contest 358 | 10433 | 113 | 242 | -19 | |
| UNIQUE VISION Programming Contest 2024 Summer (AtCoder Beginner Contest 359) | 6628 | 444 | 259 | +17 | |
| AtCoder Beginner Contest 360 | 8296 | 96 | 238 | -21 | |
| Denso Create Programming Contest 2024（AtCoder Beginner Contest 361） | 8675 | 230 | 237 | -1 | |
| Toyota Programming Contest 2024#7（AtCoder Beginner Contest 362） | 10228 | 124 | 224 | -13 | |
| AtCoder Beginner Contest 363 | 7529 | 382 | 237 | +13 | |
| Japan Registry Services (JPRS) Programming Contest 2024#2 (AtCoder Beginner Contest 364) | 8226 | 233 | 237 | ±0 | |
| Toyota Programming Contest 2024#8（AtCoder Beginner Contest 365） | 8412 | 306 | 243 | +6 | |
| AtCoder Beginner Contest 366 | 6518 | 511 | 266 | +23 | |
| AtCoder Beginner Contest 367 | 9956 | 139 | 251 | -15 | |
| Hitachi Vantara Programming Contest 2024（AtCoder Beginner Contest 368） | 9359 | 119 | 235 | -16 | |
| AtCoder Beginner Contest 369 | 7911 | 248 | 236 | +1 | |
| Toyota Programming Contest 2024#9（AtCoder Beginner Contest 370） | 8332 | 276 | 240 | +4 | |
| AtCoder Beginner Contest 371 | 9762 | 61 | 215 | -25 | |
| UNIQUE VISION Programming Contest 2024 Autumn (AtCoder Beginner Contest 372) | 7729 | 196 | 213 | -2 | |
| AtCoder Beginner Contest 373 | 9860 | 141 | 205 | -8 | |
| KEYENCE Programming Contest 2024（AtCoder Beginner Contest 374） | 7914 | 298 | 213 | +8 | |
| Panasonic Programming Contest 2024（AtCoder Beginner Contest 375） | 6419 | 513 | 237 | +24 | |
| AtCoder Beginner Contest 376 | 7686 | 330 | 245 | +8 | |
| TOYOTA SYSTEMS Programming Contest 2024（AtCoder Beginner Contest 377) | 5890 | 350 | 255 | +10 | |
| AtCoder Beginner Contest 378 | 8429 | 175 | 246 | -9 | |
| Toyota Programming Contest 2024#11（AtCoder Beginner Contest 379） | 5368 | 572 | 273 | +27 | |
| AtCoder Beginner Contest 380 | 7445 | 297 | 276 | +3 | |
| AtCoder Beginner Contest 382 | 5421 | 463 | 292 | +16 | |
| Daiwa Securities Co. Ltd. Programming Contest 2024（AtCoder Beginner Contest 383） | 8065 | 181 | 279 | -13 | |
| Toyota Programming Contest 2024#12（AtCoder Beginner Contest 384） | 7459 | 245 | 276 | -3 | |
| UNIQUE VISION Programming Contest 2024 Christmas (AtCoder Beginner Contest 385) | 8350 | 147 | 261 | -15 | |
| AtCoder Beginner Contest 386 | 6378 | 317 | 266 | +5 | |
| AtCoder Beginner Contest 387 | 5252 | 497 | 286 | +20 | |
| HHKB Programming Contest 2025(AtCoder Beginner Contest 388) | 7610 | 267 | 284 | -2 | |
| Toyota Programming Contest 2025（AtCoder Beginner Contest 389) | 8080 | 259 | 281 | -3 | |
| AtCoder Beginner Contest 390 | 8685 | 211 | 274 | -7 | |
| AtCoder Beginner Contest 391 | 7442 | 281 | 275 | +1 | |
| Japan Registry Services (JPRS) Programming Contest 2025#1 (AtCoder Beginner Contest 392) | 9108 | 177 | 264 | -11 | |
| AtCoder Beginner Contest 393 | 8377 | 233 | 261 | -3 | |
| KAJIMA CORPORATION CONTEST 2025 (AtCoder Beginner Contest 394) | 7686 | 315 | 266 | +5 | |
| AtCoder Beginner Contest 395 | 10036 | 141 | 251 | -15 | |
| AtCoder Beginner Contest 396 | 7977 | 337 | 259 | +8 | |
| OMRON Corporation Programming Contest 2025 (AtCoder Beginner Contest 397) | 10242 | 136 | 244 | -15 | |
| UNIQUE VISION Programming Contest 2025 Spring (AtCoder Beginner Contest 398) | 10996 | 35 | 211 | -33 | |
| AtCoder Beginner Contest 399 | 7620 | 383 | 226 | +15 | |
| AtCoder Beginner Contest 400 | 5465 | 650 | 261 | +35 | |
| AtCoder Beginner Contest 401 | 7992 | 312 | 266 | +5 | |
| Tokio Marine & Nichido Fire Insurance Programming Contest 2025 (AtCoder Beginner Contest 402) | 7099 | 313 | 270 | +4 | |
| AtCoder Beginner Contest 403 | 6949 | 221 | 265 | -5 | |
| AtCoder Beginner Contest 404 | 9575 | 50 | 233 | -32 | |
| AtCoder Beginner Contest 405 | 10492 | 133 | 221 | -12 | |
| Panasonic Programming Contest 2025（AtCoder Beginner Contest 406） | 9039 | 204 | 220 | -1 | |
| AtCoder Beginner Contest 407 | 8239 | 296 | 227 | +7 | |
| AtCoder Beginner Contest 409 | 9256 | 188 | 223 | -4 | |
| AtCoder Beginner Contest 410 | 8444 | 221 | 222 | -1 | |
| UNIQUE VISION Programming Contest 2025 Summer (AtCoder Beginner Contest 411) | 7106 | 253 | 225 | +3 | |
| AtCoder Beginner Contest 412 | 9054 | 122 | 213 | -12 | |
| Denso Create Programming Contest 2025（AtCoder Beginner Contest 413） | 7538 | 277 | 219 | +6 | |
| Mirrativ Programming Contest 2025 (AtCoder Beginner Contest 414) | 5897 | 561 | 247 | +28 | |
| Japan Registry Services (JPRS) Programming Contest 2025#2 (AtCoder Beginner Contest 415) | 8253 | 200 | 242 | -5 | |
| AtCoder Beginner Contest 416 | 9784 | 173 | 234 | -8 | |
| AtCoder Beginner Contest 417 | 9259 | 175 | 228 | -6 | |