All Contributions

Complete record of every solution change. Each contribution is peer-reviewed.

Contribute

20306 contributions

1972 problems

101 contributors

solved· 3.9.11

3.9.11 edit

igor August 31, 2026 at 06:11 AM

#20454

8 minutes between problems

solved· 3.8.9

3.8.9 edit

igor August 31, 2026 at 06:03 AM

#20453

2 minutes between problems

solved· 3.8.11

3.8.11 edit

igor August 31, 2026 at 06:00 AM

#20452

4 hours 58 minutes between problems

solved· 5.4.9

5.4.9 comment

Tete August 31, 2026 at 01:02 AM

thread

5 hours 9 minutes between problems

solved· 2.3.17 in 35 seconds

2.3.17 edit

Valter August 30, 2026 at 07:53 PM

#20451

2.3.17 edit

Valter August 30, 2026 at 07:52 PM

#20450

less than a minute between problems

solved· 2.3.16 in 1 minute 6 seconds

2.3.16 edit

Valter August 30, 2026 at 07:52 PM

#20449

2.3.16 edit

Valter August 30, 2026 at 07:50 PM

#20448

less than a minute between problems

solved· 2.3.15 in 35 seconds

2.3.15 edit

Valter August 30, 2026 at 07:50 PM

#20447

2.3.15 edit

Valter August 30, 2026 at 07:49 PM

#20446

less than a minute between problems

solved· 2.3.14 in 21 seconds

2.3.14 edit

Valter August 30, 2026 at 07:49 PM

#20445

2.3.14 edit

Valter August 30, 2026 at 07:48 PM

#20444

less than a minute between problems

solved· 2.3.12 in 42 seconds

2.3.12 edit

Valter August 30, 2026 at 07:48 PM

#20443

2.3.12 edit

Valter August 30, 2026 at 07:47 PM

#20442

6 minutes between problems

solved· 2.3.11 in 39 seconds

2.3.11 edit

Valter August 30, 2026 at 07:40 PM

#20441

2.3.11 edit

Valter August 30, 2026 at 07:40 PM

#20440

less than a minute between problems

solved· 2.3.10 in 1 minute 17 seconds

2.3.10 edit

Valter August 30, 2026 at 07:39 PM

#20439

2.3.10 edit

Valter August 30, 2026 at 07:38 PM

#20438

less than a minute between problems

solved· 2.3.9 in 1 minute 20 seconds

2.3.9 edit

Valter August 30, 2026 at 07:37 PM

#20437

2.3.9 edit

Valter August 30, 2026 at 07:36 PM

#20436

less than a minute between problems

solved· 2.3.8 in 2 minutes 41 seconds

2.3.8 edit

Valter August 30, 2026 at 07:35 PM

#20435

2.3.8 edit

Valter August 30, 2026 at 07:32 PM

#20434

13 minutes between problems

solved· 2.3.7 in 48 seconds

2.3.7 edit

Valter August 30, 2026 at 07:19 PM

#20433

2.3.7 edit

Valter August 30, 2026 at 07:18 PM

#20432

less than a minute between problems

solved· 2.3.5 in 1 minute 18 seconds

2.3.5 edit

Valter August 30, 2026 at 07:18 PM

#20431

2.3.5 edit

Valter August 30, 2026 at 07:17 PM

#20430

less than a minute between problems

solved· 2.3.4 in 11 seconds

2.3.4 edit

Valter August 30, 2026 at 07:16 PM

#20429

2.3.4 edit

Valter August 30, 2026 at 07:16 PM

#20428

less than a minute between problems

solved· 2.3.3 in 10 seconds

2.3.3 edit

Valter August 30, 2026 at 07:15 PM

#20427

2.3.3 edit

Valter August 30, 2026 at 07:14 PM

#20426

less than a minute between problems

solved· 2.3.2 in 17 seconds

2.3.2 edit

Valter August 30, 2026 at 07:14 PM

#20425

2.3.2 edit

Valter August 30, 2026 at 07:14 PM

#20424

less than a minute between problems

solved· 2.3.1 in 44 seconds

2.3.1 edit

Valter August 30, 2026 at 07:13 PM

#20423

2.3.1 edit

Valter August 30, 2026 at 07:12 PM

#20422

1 hour 15 minutes between problems

solved· 5.4.9 in 4 hours 35 minutes

5.4.9 comment

Valter August 30, 2026 at 05:58 PM

thread

5.4.9 edit

Valter August 30, 2026 at 05:56 PM

#20421

5.4.9 edit

Valter August 30, 2026 at 05:50 PM

#20420

5.4.9 comment

emixter August 30, 2026 at 05:26 PM

thread

5.4.9 edit

Tete August 30, 2026 at 03:04 PM

#20419

5.4.9 edit

Tete August 30, 2026 at 01:26 PM

#20418

5.4.9 new solution

Tete August 30, 2026 at 01:21 PM

#20417

42 minutes between problems

solved· 8.2.6

8.2.6 edit

jzmicer August 30, 2026 at 12:39 PM

#20416

2 hours 55 minutes between problems

solved· 2.8.27

2.8.27 comment

Ismail August 30, 2026 at 09:44 AM

thread

19 hours 8 minutes between problems

solved· 3.9.16

3.9.16 edit

Tete August 29, 2026 at 02:35 PM

#20415

2 minutes between problems

solved· 13.1.14 in 3 minutes 1 second

13.1.14 edit

mark August 29, 2026 at 02:32 PM

#20414

13.1.14 edit

mark August 29, 2026 at 02:29 PM

#20413

3 minutes between problems

solved· 3.7.9

3.7.9 edit

Tete August 29, 2026 at 02:26 PM

#20412

9 minutes between problems

solved· 13.1.17 in 4 minutes 24 seconds

13.1.17 edit

mark August 29, 2026 at 02:17 PM

#20411

13.1.17 edit

mark August 29, 2026 at 02:13 PM

#20410

13.1.17 edit

mark August 29, 2026 at 02:12 PM

#20409

16 minutes between problems

solved· 13.1.15 in 2 minutes 37 seconds

13.1.15 edit

mark August 29, 2026 at 01:56 PM

#20408

13.1.15 edit

mark August 29, 2026 at 01:53 PM

#20407

1 hour 58 minutes between problems

solved· 13.1.13 in 1 minute 56 seconds

13.1.13 edit

mark August 29, 2026 at 11:54 AM

#20406

13.1.13 edit

mark August 29, 2026 at 11:52 AM

#20405

24 minutes between problems

solved· 12.1.3 in 5 minutes 26 seconds

12.1.3 edit

Valter August 29, 2026 at 11:28 AM

#20404

12.1.3 edit

Valter August 29, 2026 at 11:27 AM

#20403

12.1.3 edit

Valter August 29, 2026 at 11:24 AM

#20402

12.1.3 edit

Valter August 29, 2026 at 11:23 AM

#20401

1 hour 23 minutes between problems

solved· 8.2.6 in 1 hour 43 minutes

8.2.6 comment

jzmicer August 29, 2026 at 10:07 AM

thread

8.2.6 edit

smb_2_3 August 29, 2026 at 10:00 AM

#20400

8.2.6 edit

smb_2_3 August 29, 2026 at 09:54 AM

#20399

8.2.6 edit

smb_2_3 August 29, 2026 at 09:54 AM

#20398

8.2.6 edit

jzmicer August 29, 2026 at 09:53 AM

#20397

8.2.6 comment

jzmicer August 29, 2026 at 09:50 AM

thread

8.2.6 edit

smb_2_3 August 29, 2026 at 08:16 AM

#20396

2 minutes between problems

solved· 3.7.9 in 5 minutes 33 seconds

3.7.9 edit

Tete August 29, 2026 at 08:14 AM

#20395

3.7.9 new solution

Tete August 29, 2026 at 08:08 AM

#20394

10 minutes between problems

solved· 8.2.6

8.2.6 new solution

smb_2_3 August 29, 2026 at 07:58 AM

#20393

12 hours 4 minutes between problems

solved· 6.1.9 in 1 minute 38 seconds

6.1.9 edit

Valter August 28, 2026 at 07:53 PM

#20392

6.1.9 edit

Valter August 28, 2026 at 07:52 PM

#20391

5 minutes between problems

solved· 6.1.13 in 9 minutes 39 seconds

6.1.13 edit

Valter August 28, 2026 at 07:46 PM

#20390

6.1.13 edit

Valter August 28, 2026 at 07:44 PM

#20389

6.1.13 edit

Valter August 28, 2026 at 07:36 PM

#20388

11 minutes between problems

solved· 8.3.3 in 2 minutes 49 seconds

8.3.3 edit

Valter August 28, 2026 at 07:25 PM

#20387

8.3.3 edit

Valter August 28, 2026 at 07:25 PM

#20386

8.3.3 edit

Valter August 28, 2026 at 07:22 PM

#20385

4 hours 11 minutes between problems

solved· 3.8.11 in 17 minutes 22 seconds

3.8.11 comment

emixter August 28, 2026 at 03:39 PM

thread

3.8.11 edit

igor August 28, 2026 at 03:11 PM

#20384

3.8.11 new solution

igor August 28, 2026 at 02:54 PM

#20383

3 hours 26 minutes between problems

solved· 3.8.9

3.8.9 comment

emixter August 28, 2026 at 11:27 AM

thread

1 minute between problems

solved· 3.9.16

3.9.16 comment

Tete August 28, 2026 at 11:25 AM

thread

3.9.16 comment

igor August 28, 2026 at 11:17 AM

thread

41 minutes between problems

solved· 3.8.9 in 3 minutes 52 seconds

3.8.9 edit

igor August 28, 2026 at 10:44 AM

#20382

3.8.9 edit

igor August 28, 2026 at 10:40 AM

#20381

8 minutes between problems

solved· 3.7.12 in 3 minutes 52 seconds

3.7.12 edit

Tete August 28, 2026 at 10:31 AM

#20380

3.7.12 new solution

Tete August 28, 2026 at 10:27 AM

#20379

59 minutes between problems

solved· 3.8.9

3.8.9 new solution

igor August 28, 2026 at 09:28 AM

#20378

13 hours 23 minutes between problems

solved· 10.2.2 in 3 minutes 39 seconds

10.2.2 edit

Valter August 27, 2026 at 08:05 PM

#20377

10.2.2 edit

Valter August 27, 2026 at 08:03 PM

#20376

10.2.2 edit

Valter August 27, 2026 at 08:01 PM

#20375

38 minutes between problems

solved· 11.1.9 in 3 minutes 58 seconds

11.1.9 edit

Valter August 27, 2026 at 07:23 PM

#20374

11.1.9 edit

Valter August 27, 2026 at 07:21 PM

#20373

11.1.9 edit

Valter August 27, 2026 at 07:19 PM

#20372

2 hours 31 minutes between problems

solved· 6.5.24 in 4 minutes 1 second

6.5.24 edit

Tete August 27, 2026 at 04:47 PM

#20371

6.5.24 edit

Tete August 27, 2026 at 04:43 PM

#20370

12 hours 29 minutes between problems

solved· 8.4.8 in 4 minutes 55 seconds

8.4.8 edit

Tete August 27, 2026 at 04:14 AM

#20369

8.4.8 edit

Tete August 27, 2026 at 04:09 AM

#20368

1 hour 22 minutes between problems

solved· 2.3.32

2.3.32 edit

Tete August 27, 2026 at 02:47 AM

#20367

50 minutes between problems

solved· 2.6.40 in 6 minutes 12 seconds

2.6.40 edit

Tete August 27, 2026 at 01:56 AM

#20366

2.6.40 edit

Tete August 27, 2026 at 01:50 AM

#20365

6 hours 23 minutes between problems

solved· 3.9.8 in 28 minutes 50 seconds

3.9.8 edit

Valter August 26, 2026 at 07:26 PM

#20364

3.9.8 edit

Valter August 26, 2026 at 07:24 PM

#20363

3.9.8 edit

Valter August 26, 2026 at 07:16 PM

#20362

3.9.8 edit

Valter August 26, 2026 at 07:14 PM

#20361

3.9.8 new solution

Valter August 26, 2026 at 06:58 PM

#20360

43 minutes between problems

solved· 3.2.16 in 1 minute 35 seconds

3.2.16 edit

Valter August 26, 2026 at 06:14 PM

#20359

3.2.16 edit

Valter August 26, 2026 at 06:13 PM

#20358

8 minutes between problems

solved· 2.3.22 in 3 minutes 20 seconds

2.3.22 edit

Valter August 26, 2026 at 06:04 PM

#20357

2.3.22 edit

Valter August 26, 2026 at 06:01 PM

#20356

2.3.22 edit

Valter August 26, 2026 at 06:01 PM

#20355

14 minutes between problems

solved· 3.9.15 in 45 seconds

3.9.15 edit

Valter August 26, 2026 at 05:46 PM

#20354

3.9.15 edit

Valter August 26, 2026 at 05:46 PM

#20353

3.9.15 edit

Valter August 26, 2026 at 05:46 PM

#20352

8 minutes between problems

solved· 4.2.6

4.2.6 edit

Valter August 26, 2026 at 05:37 PM

#20351

43 minutes between problems

solved· 2.3.32 in 3 minutes 57 seconds

2.3.32 edit

Tete August 26, 2026 at 04:53 PM

#20350

2.3.32 edit

Tete August 26, 2026 at 04:49 PM

#20349

25 minutes between problems

solved· 4.2.7

4.2.7 edit

Valter August 26, 2026 at 04:24 PM

#20348

32 minutes between problems

solved· 4.2.11 in 49 seconds

4.2.11 edit

Valter August 26, 2026 at 03:52 PM

#20347

4.2.11 edit

Valter August 26, 2026 at 03:51 PM

#20346

10 minutes between problems

solved· 4.2.12

4.2.12 edit

Valter August 26, 2026 at 03:41 PM

#20345

8 minutes between problems

solved· 2.4.20

2.4.20 edit

Valter August 26, 2026 at 03:32 PM

#20344

11 minutes between problems

solved· 2.8.4

2.8.4 edit

Valter August 26, 2026 at 03:21 PM

#20343

9 minutes between problems

solved· 4.2.14 in 4 minutes 57 seconds

4.2.14 edit

Valter August 26, 2026 at 03:12 PM

#20342

4.2.14 edit

Valter August 26, 2026 at 03:07 PM

#20341

1 hour between problems

solved· 3.7.22 in 26 minutes 41 seconds

3.7.22 edit

mark August 26, 2026 at 02:06 PM

#20340

3.7.22 edit

mark August 26, 2026 at 02:05 PM

#20339

3.7.22 edit

mark August 26, 2026 at 02:03 PM

#20338

3.7.22 edit

mark August 26, 2026 at 01:48 PM

#20337

3.7.22 new solution

mark August 26, 2026 at 01:40 PM

#20336

2 hours 50 minutes between problems

solved· 3.9.16 in 2 minutes 27 seconds

3.9.16 edit

Tete August 26, 2026 at 10:49 AM

#20335

3.9.16 new solution

Tete August 26, 2026 at 10:47 AM

#20334

7 hours 54 minutes between problems

solved· 3.9.9 in 6 minutes 33 seconds

3.9.9 edit

Tete August 26, 2026 at 02:52 AM

#20333

3.9.9 new solution

Tete August 26, 2026 at 02:46 AM

#20332

6 hours 53 minutes between problems

solved· 4.2.25

4.2.25 edit

Valter August 25, 2026 at 07:52 PM

#20331

6 minutes between problems

solved· 4.2.26 in 1 minute 17 seconds

4.2.26 edit

Valter August 25, 2026 at 07:46 PM

#20330

4.2.26 edit

Valter August 25, 2026 at 07:44 PM

#20329

12 minutes between problems

solved· 2.2.42 in 1 minute 6 seconds

2.2.42 edit

Valter August 25, 2026 at 07:32 PM

#20328

2.2.42 edit

Valter August 25, 2026 at 07:31 PM

#20327

25 minutes between problems

solved· 6.4.1 in 42 seconds

6.4.1 edit

Valter August 25, 2026 at 07:05 PM

#20326

6.4.1 edit

Valter August 25, 2026 at 07:04 PM

#20325

5 minutes between problems

solved· 14.2.1 in 14 seconds

14.2.1 edit

Valter August 25, 2026 at 06:59 PM

#20324

14.2.1 edit

Valter August 25, 2026 at 06:59 PM

#20323

7 minutes between problems

solved· 5.5.26 in 1 minute 43 seconds

5.5.26 edit

Valter August 25, 2026 at 06:51 PM

#20322

5.5.26 edit

Valter August 25, 2026 at 06:51 PM

#20321

5.5.26 edit

Valter August 25, 2026 at 06:50 PM

#20320

5.5.26 edit

Valter August 25, 2026 at 06:49 PM

#20319

18 minutes between problems

solved· 5.5.16 in 1 minute 16 seconds

5.5.16 edit

Valter August 25, 2026 at 06:31 PM

#20318

5.5.16 edit

Valter August 25, 2026 at 06:30 PM

#20317

3 hours 30 minutes between problems

solved· 11.2.16 in 5 minutes 40 seconds

11.2.16 edit

Tete August 25, 2026 at 02:59 PM

#20316

11.2.16 edit

Tete August 25, 2026 at 02:54 PM

#20315

1 hour 51 minutes between problems

solved· 3.9.21 in 3 hours 28 minutes

3.9.21 edit

Valter August 25, 2026 at 01:02 PM

#20314

3.9.21 edit

Valter August 25, 2026 at 01:01 PM

#20313

3.9.21 comment

Picksell Prod August 25, 2026 at 12:55 PM

thread

3.9.21 comment

Picksell Prod August 25, 2026 at 12:55 PM

thread

3.9.21 comment

Valter August 25, 2026 at 12:44 PM

thread

3.9.21 edit

Picksell Prod August 25, 2026 at 12:41 PM

#20312

3.9.21 edit

Picksell Prod August 25, 2026 at 12:34 PM

#20311

3.9.21 edit

Picksell Prod August 25, 2026 at 12:31 PM

#20310

3.9.21 comment

Picksell Prod August 25, 2026 at 12:29 PM

thread

3.9.21 edit

Picksell Prod August 25, 2026 at 12:27 PM

#20309

3.9.21 comment

Valter August 25, 2026 at 12:26 PM

thread

3.9.21 edit

Picksell Prod August 25, 2026 at 12:25 PM

#20308

3.9.21 edit

Picksell Prod August 25, 2026 at 12:22 PM

#20307

3.9.21 comment

Picksell Prod August 25, 2026 at 12:19 PM

thread

3.9.21 edit

Picksell Prod August 25, 2026 at 12:19 PM

#20306

3.9.21 comment

Picksell Prod August 25, 2026 at 12:17 PM

thread

3.9.21 edit

Picksell Prod August 25, 2026 at 12:17 PM

#20305

3.9.21 edit

Valter August 25, 2026 at 09:41 AM

#20304

3.9.21 edit

Valter August 25, 2026 at 09:38 AM

#20303

3.9.21 comment

Valter August 25, 2026 at 09:34 AM

thread

3.9.21 edit

Valter August 25, 2026 at 09:34 AM

#20302

12 minutes between problems

solved· 3.5.1 in 3 minutes 14 seconds

3.5.1 edit

Valter August 25, 2026 at 09:22 AM

#20301

3.5.1 edit

Valter August 25, 2026 at 09:18 AM

#20300

8 minutes between problems

solved· 3.9.25 in 1 hour 8 minutes

3.9.25 edit

igor August 25, 2026 at 09:10 AM

#20299

3.9.25 new solution

igor August 25, 2026 at 08:02 AM

#20298

1 hour 18 minutes between problems

solved· 3.9.18 in 17 minutes 12 seconds

3.9.18 edit

igor August 25, 2026 at 06:43 AM

#20297

3.9.18 new solution

igor August 25, 2026 at 06:26 AM

#20296

2 minutes between problems

solved· 3.9.20 in 11 minutes 8 seconds

3.9.20 edit

igor August 25, 2026 at 06:24 AM

#20295

3.9.20 new solution

igor August 25, 2026 at 06:13 AM

#20294

9 minutes between problems

solved· 3.9.24 in 12 minutes 25 seconds

3.9.24 edit

igor August 25, 2026 at 06:03 AM

#20293

3.9.24 new solution

igor August 25, 2026 at 05:51 AM

#20292

19 minutes between problems

solved· 3.9.23 in 5 minutes 28 seconds

3.9.23 edit

igor August 25, 2026 at 05:32 AM

#20291

3.9.23 new solution

igor August 25, 2026 at 05:26 AM

#20290

38 minutes between problems

solved· 3.9.22

3.9.22 edit

igor August 25, 2026 at 04:47 AM

#20289

9 minutes between problems

solved· 3.7.8

3.7.8 edit

Tete August 25, 2026 at 04:38 AM

#20288

5 minutes between problems

solved· 3.9.22 in 1 hour

3.9.22 edit

igor August 25, 2026 at 04:33 AM

#20287

3.9.22 new solution

igor August 25, 2026 at 03:33 AM

#20286

2 hours 14 minutes between problems

solved· 3.7.8 in 7 minutes 12 seconds

3.7.8 edit

Tete August 25, 2026 at 01:18 AM

#20285

3.7.8 new solution

Tete August 25, 2026 at 01:11 AM

#20284

6 hours 59 minutes between problems

solved· 8.2.18 in 1 minute 25 seconds

8.2.18 edit

smb_2_3 August 24, 2026 at 06:11 PM

#20283

8.2.18 edit

smb_2_3 August 24, 2026 at 06:10 PM

#20282

8.2.18 edit

smb_2_3 August 24, 2026 at 06:10 PM

#20281

8.2.18 new solution

smb_2_3 August 24, 2026 at 06:09 PM

#20280

4 hours 7 minutes between problems

solved· 3.8.15 in 4 minutes 48 seconds

3.8.15 edit

smb_2_3 August 24, 2026 at 02:02 PM

#20279

3.8.15 edit

smb_2_3 August 24, 2026 at 01:57 PM

#20278

3.8.15 new solution

smb_2_3 August 24, 2026 at 01:57 PM

#20277

32 minutes between problems

solved· 3.8.14 in 14 minutes 2 seconds

3.8.14 edit

smb_2_3 August 24, 2026 at 01:24 PM

#20276

3.8.14 new solution

smb_2_3 August 24, 2026 at 01:10 PM

#20275

1 hour 15 minutes between problems

solved· 3.9.11

3.9.11 edit

igor August 24, 2026 at 11:55 AM

#20274

1 hour 19 minutes between problems

solved· 3.8.10 in 6 minutes 3 seconds

3.8.10 edit

smb_2_3 August 24, 2026 at 10:35 AM

#20273

3.8.10 new solution

smb_2_3 August 24, 2026 at 10:29 AM

#20272

20 minutes between problems

solved· 5.4.20 in 11 minutes 22 seconds

5.4.20 edit

igor August 24, 2026 at 10:09 AM

#20271

5.4.20 edit

igor August 24, 2026 at 10:06 AM

#20270

5.4.20 new solution

igor August 24, 2026 at 09:58 AM

#20269

5 minutes between problems

solved· 3.9.11 in 18 minutes 51 seconds

3.9.11 edit

igor August 24, 2026 at 09:53 AM

#20268

3.9.11 edit

igor August 24, 2026 at 09:34 AM

#20267

28 minutes between problems

solved· 4.3.17 in 5 minutes 50 seconds

4.3.17 edit

Tete August 24, 2026 at 09:05 AM

#20266

4.3.17 edit

Tete August 24, 2026 at 08:59 AM

#20265

2 minutes between problems

solved· 3.9.11

3.9.11 new solution

igor August 24, 2026 at 08:57 AM

#20264

4 minutes between problems

solved· 4.3.17

4.3.17 edit

Tete August 24, 2026 at 08:52 AM

#20263

59 minutes between problems

solved· 13.4.7 in 41 minutes 32 seconds

13.4.7 edit

smb_2_3 August 24, 2026 at 07:53 AM

#20262

13.4.7 edit

smb_2_3 August 24, 2026 at 07:16 AM

#20261

13.4.7 edit

smb_2_3 August 24, 2026 at 07:15 AM

#20260

13.4.7 edit

smb_2_3 August 24, 2026 at 07:13 AM

#20259

13.4.7 edit

smb_2_3 August 24, 2026 at 07:13 AM

#20258

13.4.7 edit

smb_2_3 August 24, 2026 at 07:13 AM

#20257

13.4.7 edit

smb_2_3 August 24, 2026 at 07:13 AM

#20256

13.4.7 edit

smb_2_3 August 24, 2026 at 07:13 AM

#20255

13.4.7 edit

smb_2_3 August 24, 2026 at 07:13 AM

#20254

13.4.7 edit

smb_2_3 August 24, 2026 at 07:13 AM

#20253

13.4.7 edit

smb_2_3 August 24, 2026 at 07:13 AM

#20252

13.4.7 edit

smb_2_3 August 24, 2026 at 07:13 AM

#20251

13.4.7 edit

smb_2_3 August 24, 2026 at 07:13 AM

#20249

13.4.7 edit

smb_2_3 August 24, 2026 at 07:13 AM

#20250

13.4.7 new solution

smb_2_3 August 24, 2026 at 07:12 AM

#20248

4 hours 56 minutes between problems

solved· 11.2.15 in 7 minutes 26 seconds

11.2.15 edit

Tete August 24, 2026 at 02:15 AM

#20247

11.2.15 edit

Tete August 24, 2026 at 02:07 AM

#20246

1 day 2 hours between problems

solved· 7.4.8 in 7 minutes 38 seconds

7.4.8 edit

Tete August 22, 2026 at 11:43 PM

#20245

7.4.8 edit

Tete August 22, 2026 at 11:36 PM

#20244

5 hours 12 minutes between problems

solved· 5.9.16 in 2 minutes 5 seconds

5.9.16 edit

Valter August 22, 2026 at 06:23 PM

#20243

5.9.16 edit

Valter August 22, 2026 at 06:22 PM

#20242

5.9.16 edit

Valter August 22, 2026 at 06:21 PM

#20241

13 minutes between problems

solved· 5.9.20 in 7 minutes 29 seconds

5.9.20 edit

Valter August 22, 2026 at 06:07 PM

#20240

5.9.20 edit

Valter August 22, 2026 at 06:07 PM

#20239

5.9.20 edit

Valter August 22, 2026 at 06:00 PM

#20238

28 minutes between problems

solved· 6.6.1 in 20 seconds

6.6.1 edit

Valter August 22, 2026 at 05:31 PM

#20237

6.6.1 edit

Valter August 22, 2026 at 05:31 PM

#20236

less than a minute between problems

solved· 13.1.7

13.1.7 comment

emixter August 22, 2026 at 05:30 PM

thread

less than a minute between problems

solved· 6.6.1

6.6.1 edit

Valter August 22, 2026 at 05:30 PM

#20235

13 minutes between problems

solved· 13.1.7

13.1.7 comment

Valter August 22, 2026 at 05:17 PM

thread

13.1.7 comment

emixter August 22, 2026 at 05:15 PM

thread

13.1.7 comment

Valter August 22, 2026 at 05:11 PM

thread

7 minutes between problems

solved· 13.1.20

13.1.20 comment

Valter August 22, 2026 at 05:09 PM

thread

1 minute between problems

solved· 13.1.4

13.1.4 edit

Valter August 22, 2026 at 05:07 PM

#20234

1 minute between problems

solved· 13.1.20

13.1.20 comment

emixter August 22, 2026 at 05:06 PM

thread

1 minute between problems

solved· 13.1.4 in 1 minute 26 seconds

13.1.4 edit

Valter August 22, 2026 at 05:05 PM

#20233

13.1.4 edit

Valter August 22, 2026 at 05:03 PM

#20232

25 minutes between problems

solved· 13.1.7 in 3 minutes 4 seconds

13.1.7 edit

Valter August 22, 2026 at 04:38 PM

#20231

13.1.7 edit

Valter August 22, 2026 at 04:37 PM

#20230

13.1.7 edit

Valter August 22, 2026 at 04:35 PM

#20229

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