All Contributions

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

19815 contributions

1933 problems

98 contributors

solved· 7.4.10

7.4.10 comment

emixter June 27, 2026 at 02:48 PM

thread

3 minutes between problems

solved· 11.4.25

11.4.25 edit

dzedo June 27, 2026 at 02:44 PM

#19302

54 minutes between problems

solved· 7.4.10

7.4.10 comment

physicist June 27, 2026 at 01:50 PM

thread

7.4.10 comment

physicist June 27, 2026 at 01:49 PM

thread

1 minute between problems

solved· 13.1.10 in 3 minutes 10 seconds

13.1.10 edit

dzedo June 27, 2026 at 01:48 PM

#19301

13.1.10 edit

dzedo June 27, 2026 at 01:48 PM

#19300

13.1.10 new solution

dzedo June 27, 2026 at 01:45 PM

#19299

41 minutes between problems

solved· 11.4.25 in 11 minutes 35 seconds

11.4.25 comment

emixter June 27, 2026 at 01:09 PM

thread

11.4.25 edit

dzedo June 27, 2026 at 01:04 PM

#19298

11.4.25 new solution

dzedo June 27, 2026 at 12:52 PM

#19297

23 minutes between problems

solved· 7.4.10

7.4.10 comment

emixter June 27, 2026 at 12:28 PM

thread

7.4.10 comment

emixter June 27, 2026 at 12:27 PM

thread

7.4.10 comment

emixter June 27, 2026 at 12:26 PM

thread

7.4.10 comment

physicist June 27, 2026 at 12:14 PM

thread

7.4.10 comment

emixter June 27, 2026 at 11:52 AM

thread

7.4.10 comment

physicist June 27, 2026 at 11:46 AM

thread

7.4.10 comment

emixter June 27, 2026 at 11:35 AM

thread

7.4.10 comment

emixter June 27, 2026 at 11:33 AM

thread

7.4.10 comment

physicist June 27, 2026 at 11:26 AM

thread

1 hour 26 minutes between problems

solved· 7.1.17

7.1.17 comment

emixter June 27, 2026 at 11:01 AM

thread

8 minutes between problems

solved· 7.4.10

7.4.10 comment

emixter June 27, 2026 at 10:53 AM

thread

9 minutes between problems

solved· 13.3.12

13.3.12 edit

emixter June 27, 2026 at 10:44 AM

#19296

9 minutes between problems

solved· 6.3.15

6.3.15 comment

physicist June 27, 2026 at 10:34 AM

thread

2 minutes between problems

solved· 7.1.17 in 14 seconds

7.1.17 edit

physicist June 27, 2026 at 10:31 AM

#19295

7.1.17 edit

physicist June 27, 2026 at 10:31 AM

#19294

2 minutes between problems

solved· 7.4.10 in 45 seconds

7.4.10 edit

physicist June 27, 2026 at 10:28 AM

#19293

7.4.10 new solution

physicist June 27, 2026 at 10:28 AM

#19292

5 minutes between problems

solved· 13.3.12

13.3.12 new solution

emixter June 27, 2026 at 10:22 AM

#19291

10 minutes between problems

solved· 2.2.34

2.2.34 comment

Ermuh_Oral June 27, 2026 at 10:12 AM

thread

2.2.34 comment

Ermuh_Oral June 27, 2026 at 10:12 AM

thread

2.2.34 comment

Ermuh_Oral June 27, 2026 at 10:12 AM

thread

2.2.34 comment

Ermuh_Oral June 27, 2026 at 10:12 AM

thread

2.2.34 comment

Ermuh_Oral June 27, 2026 at 10:12 AM

thread

2.2.34 comment

Ermuh_Oral June 27, 2026 at 10:12 AM

thread

1 hour 2 minutes between problems

solved· 6.6.18 in 9 minutes 6 seconds

6.6.18 edit

jzmicer June 27, 2026 at 09:09 AM

#19290

6.6.18 edit

jzmicer June 27, 2026 at 09:07 AM

#19289

6.6.18 edit

jzmicer June 27, 2026 at 09:07 AM

#19288

6.6.18 new solution

jzmicer June 27, 2026 at 09:00 AM

#19287

14 hours 12 minutes between problems

solved· 14.5.2 in 5 minutes 39 seconds

14.5.2 edit

JAMF June 26, 2026 at 06:48 PM

#19286

14.5.2 edit

JAMF June 26, 2026 at 06:42 PM

#19285

2 hours 23 minutes between problems

solved· 11.4.22 in 2 minutes 20 seconds

11.4.22 edit

Alexphysics June 26, 2026 at 04:19 PM

#19284

11.4.22 new solution

Alexphysics June 26, 2026 at 04:17 PM

#19283

12 minutes between problems

solved· 11.4.21 in 48 seconds

11.4.21 edit

Alexphysics June 26, 2026 at 04:04 PM

#19282

11.4.21 new solution

Alexphysics June 26, 2026 at 04:03 PM

#19281

22 minutes between problems

solved· 11.4.20 in 1 minute 40 seconds

11.4.20 edit

Alexphysics June 26, 2026 at 03:41 PM

#19280

11.4.20 edit

Alexphysics June 26, 2026 at 03:41 PM

#19279

11.4.20 new solution

Alexphysics June 26, 2026 at 03:40 PM

#19278

8 minutes between problems

solved· 11.4.8 in 1 minute 12 seconds

11.4.8 edit

Alexphysics June 26, 2026 at 03:32 PM

#19277

11.4.8 edit

Alexphysics June 26, 2026 at 03:30 PM

#19276

11.4.8 new solution

Alexphysics June 26, 2026 at 03:30 PM

#19275

1 hour 22 minutes between problems

solved· 11.4.5 in 6 minutes 28 seconds

11.4.5 edit

naz June 26, 2026 at 02:08 PM

#19274

11.4.5 edit

naz June 26, 2026 at 02:07 PM

#19273

11.4.5 edit

naz June 26, 2026 at 02:07 PM

#19272

11.4.5 new solution

naz June 26, 2026 at 02:01 PM

#19271

54 minutes between problems

solved· 6.5.27 in 20 minutes 55 seconds

6.5.27 comment

igor June 26, 2026 at 01:49 PM

thread

6.5.27 edit

jzmicer June 26, 2026 at 01:06 PM

#19270

6.5.27 edit

jzmicer June 26, 2026 at 01:06 PM

#19269

6.5.27 edit

jzmicer June 26, 2026 at 01:06 PM

#19268

6.5.27 new solution

jzmicer June 26, 2026 at 12:46 PM

#19267

54 minutes between problems

solved· 11.3.20 in 8 minutes 28 seconds

11.3.20 edit

naz June 26, 2026 at 11:51 AM

#19266

11.3.20 edit

naz June 26, 2026 at 11:49 AM

#19265

11.3.20 edit

naz June 26, 2026 at 11:48 AM

#19264

11.3.20 new solution

naz June 26, 2026 at 11:43 AM

#19263

16 minutes between problems

solved· 11.2.9 in 8 minutes 53 seconds

11.2.9 edit

naz June 26, 2026 at 11:27 AM

#19262

11.2.9 edit

naz June 26, 2026 at 11:25 AM

#19261

11.2.9 edit

naz June 26, 2026 at 11:24 AM

#19260

11.2.9 new solution

naz June 26, 2026 at 11:18 AM

#19259

3 hours 12 minutes between problems

solved· 6.6.12 in 2 minutes 22 seconds

6.6.12 edit

jzmicer June 26, 2026 at 08:05 AM

#19258

6.6.12 edit

jzmicer June 26, 2026 at 08:05 AM

#19257

6.6.12 edit

jzmicer June 26, 2026 at 08:04 AM

#19256

6.6.12 new solution

jzmicer June 26, 2026 at 08:03 AM

#19255

9 hours 10 minutes between problems

solved· 11.3.25 in 37 seconds

11.3.25 edit

Alexphysics June 25, 2026 at 10:52 PM

#19254

11.3.25 edit

Alexphysics June 25, 2026 at 10:52 PM

#19253

11.3.25 new solution

Alexphysics June 25, 2026 at 10:52 PM

#19252

5 minutes between problems

solved· 11.3.24 in 1 minute 2 seconds

11.3.24 edit

Alexphysics June 25, 2026 at 10:46 PM

#19251

11.3.24 edit

Alexphysics June 25, 2026 at 10:45 PM

#19250

11.3.24 new solution

Alexphysics June 25, 2026 at 10:45 PM

#19249

4 minutes between problems

solved· 11.3.23 in 29 seconds

11.3.23 edit

Alexphysics June 25, 2026 at 10:41 PM

#19248

11.3.23 new solution

Alexphysics June 25, 2026 at 10:40 PM

#19247

10 minutes between problems

solved· 6.5.14 in 2 minutes 9 seconds

6.5.14 edit

jzmicer June 25, 2026 at 10:29 PM

#19246

6.5.14 edit

jzmicer June 25, 2026 at 10:29 PM

#19245

6.5.14 edit

jzmicer June 25, 2026 at 10:29 PM

#19244

6.5.14 new solution

jzmicer June 25, 2026 at 10:27 PM

#19243

1 hour 49 minutes between problems

solved· 6.5.8 in 1 minute

6.5.8 edit

jzmicer June 25, 2026 at 08:37 PM

#19242

6.5.8 edit

jzmicer June 25, 2026 at 08:37 PM

#19241

6.5.8 edit

jzmicer June 25, 2026 at 08:36 PM

#19240

2 hours 38 minutes between problems

solved· 11.3.22 in 1 minute 43 seconds

11.3.22 edit

Alexphysics June 25, 2026 at 05:58 PM

#19239

11.3.22 new solution

Alexphysics June 25, 2026 at 05:56 PM

#19238

4 minutes between problems

solved· 11.3.21 in 44 seconds

11.3.21 edit

Alexphysics June 25, 2026 at 05:52 PM

#19237

11.3.21 new solution

Alexphysics June 25, 2026 at 05:51 PM

#19236

less than a minute between problems

solved· 6.5.8

6.5.8 new solution

jzmicer June 25, 2026 at 05:51 PM

#19235

1 hour 15 minutes between problems

solved· 6.4.8 in 1 minute 5 seconds

6.4.8 edit

igor June 25, 2026 at 04:36 PM

#19234

6.4.8 edit

igor June 25, 2026 at 04:34 PM

#19233

20 minutes between problems

solved· 11.2.19 in 15 minutes 50 seconds

11.2.19 edit

naz June 25, 2026 at 04:14 PM

#19232

11.2.19 edit

naz June 25, 2026 at 04:13 PM

#19231

11.2.19 edit

naz June 25, 2026 at 04:07 PM

#19230

11.2.19 edit

naz June 25, 2026 at 04:07 PM

#19229

11.2.19 new solution

naz June 25, 2026 at 03:58 PM

#19228

40 minutes between problems

solved· 13.1.9

13.1.9 edit

Adler June 25, 2026 at 03:18 PM

#19227

22 minutes between problems

solved· 3.4.14 in 2 minutes 19 seconds

3.4.14 edit

igor June 25, 2026 at 02:56 PM

#19226

3.4.14 edit

igor June 25, 2026 at 02:53 PM

#19225

2 minutes between problems

solved· 11.3.19 in 35 seconds

11.3.19 edit

Alexphysics June 25, 2026 at 02:50 PM

#19224

11.3.19 new solution

Alexphysics June 25, 2026 at 02:50 PM

#19223

3 minutes between problems

solved· 11.3.18 in 1 minute 31 seconds

11.3.18 edit

Alexphysics June 25, 2026 at 02:46 PM

#19222

11.3.18 edit

Alexphysics June 25, 2026 at 02:45 PM

#19221

11.3.18 edit

Alexphysics June 25, 2026 at 02:44 PM

#19220

11.3.18 new solution

Alexphysics June 25, 2026 at 02:44 PM

#19219

5 minutes between problems

solved· 13.1.9

13.1.9 new solution

Adler June 25, 2026 at 02:39 PM

#19218

48 minutes between problems

solved· 2.1.3

2.1.3 comment

Ermuh_Oral June 25, 2026 at 01:51 PM

thread

14 minutes between problems

solved· 3.4.12

3.4.12 comment

igor June 25, 2026 at 01:36 PM

thread

20 minutes between problems

solved· 11.3.14 in 46 seconds

11.3.14 edit

Alexphysics June 25, 2026 at 01:15 PM

#19217

11.3.14 edit

Alexphysics June 25, 2026 at 01:15 PM

#19216

11.3.14 new solution

Alexphysics June 25, 2026 at 01:15 PM

#19215

8 minutes between problems

solved· 11.3.13 in 56 seconds

11.3.13 edit

Alexphysics June 25, 2026 at 01:06 PM

#19214

11.3.13 new solution

Alexphysics June 25, 2026 at 01:06 PM

#19213

9 minutes between problems

solved· 11.3.12 in 1 minute 8 seconds

11.3.12 edit

Alexphysics June 25, 2026 at 12:56 PM

#19212

11.3.12 edit

Alexphysics June 25, 2026 at 12:55 PM

#19211

11.3.12 edit

Alexphysics June 25, 2026 at 12:55 PM

#19210

11.3.12 edit

Alexphysics June 25, 2026 at 12:55 PM

#19209

11.3.12 new solution

Alexphysics June 25, 2026 at 12:55 PM

#19208

5 minutes between problems

solved· 13.1.2 in 4 minutes 8 seconds

13.1.2 edit

Adler June 25, 2026 at 12:50 PM

#19207

13.1.2 new solution

Adler June 25, 2026 at 12:46 PM

#19206

2 minutes between problems

solved· 11.3.11 in 1 minute 20 seconds

11.3.11 edit

Alexphysics June 25, 2026 at 12:43 PM

#19205

11.3.11 new solution

Alexphysics June 25, 2026 at 12:41 PM

#19204

19 minutes between problems

solved· 6.5.7 in 1 minute 26 seconds

6.5.7 edit

jzmicer June 25, 2026 at 12:22 PM

#19203

6.5.7 edit

jzmicer June 25, 2026 at 12:21 PM

#19202

6.5.7 edit

jzmicer June 25, 2026 at 12:21 PM

#19201

6.5.7 edit

jzmicer June 25, 2026 at 12:21 PM

#19200

6.5.7 new solution

jzmicer June 25, 2026 at 12:20 PM

#19199

7 minutes between problems

solved· 3.4.12

3.4.12 comment

igor June 25, 2026 at 12:13 PM

thread

8 minutes between problems

solved· 6.5.6 in 1 minute 54 seconds

6.5.6 edit

jzmicer June 25, 2026 at 12:04 PM

#19198

6.5.6 edit

jzmicer June 25, 2026 at 12:04 PM

#19197

6.5.6 edit

jzmicer June 25, 2026 at 12:03 PM

#19196

6.5.6 new solution

jzmicer June 25, 2026 at 12:02 PM

#19195

27 minutes between problems

solved· 5.8.10

5.8.10 comment

igor June 25, 2026 at 11:35 AM

thread

2 hours 7 minutes between problems

solved· 3.4.12

3.4.12 comment

igor June 25, 2026 at 09:47 AM

thread

3.4.12 edit

igor June 25, 2026 at 09:28 AM

#19194

4 minutes between problems

solved· 3.3.35 in 1 minute 11 seconds

3.3.35 edit

igor June 25, 2026 at 09:24 AM

#19193

3.3.35 edit

igor June 25, 2026 at 09:23 AM

#19192

3.3.35 edit

igor June 25, 2026 at 09:22 AM

#19191

16 minutes between problems

solved· 3.4.12 in 13 minutes 30 seconds

3.4.12 edit

igor June 25, 2026 at 09:06 AM

#19190

3.4.12 edit

igor June 25, 2026 at 09:05 AM

#19189

3.4.12 edit

igor June 25, 2026 at 08:52 AM

#19188

51 minutes between problems

solved· 13.1.5

13.1.5 edit

Adler June 25, 2026 at 08:01 AM

#19187

2 minutes between problems

solved· 6.3.37 in 54 seconds

6.3.37 edit

jzmicer June 25, 2026 at 07:58 AM

#19186

6.3.37 edit

jzmicer June 25, 2026 at 07:58 AM

#19185

6.3.37 edit

jzmicer June 25, 2026 at 07:58 AM

#19184

6.3.37 new solution

jzmicer June 25, 2026 at 07:57 AM

#19183

37 minutes between problems

solved· 3.4.12

3.4.12 new solution

igor June 25, 2026 at 07:19 AM

#19182

2 hours 21 minutes between problems

solved· 8.2.31 in 21 minutes 24 seconds

8.2.31 edit

emixter June 25, 2026 at 04:57 AM

#19181

8.2.31 new solution

emixter June 25, 2026 at 04:36 AM

#19180

3 hours 58 minutes between problems

solved· 11.3.10 in 1 minute 9 seconds

11.3.10 edit

Alexphysics June 25, 2026 at 12:37 AM

#19179

11.3.10 new solution

Alexphysics June 25, 2026 at 12:36 AM

#19178

35 minutes between problems

solved· 11.3.8 in 1 minute 49 seconds

11.3.8 edit

Alexphysics June 25, 2026 at 12:01 AM

#19177

11.3.8 new solution

Alexphysics June 24, 2026 at 11:59 PM

#19176

37 minutes between problems

solved· 11.3.2 in 55 seconds

11.3.2 edit

Alexphysics June 24, 2026 at 11:21 PM

#19175

11.3.2 new solution

Alexphysics June 24, 2026 at 11:20 PM

#19174

6 minutes between problems

solved· 14.2.18 in 1 minute 53 seconds

14.2.18 edit

Alexphysics June 24, 2026 at 11:14 PM

#19173

14.2.18 edit

Alexphysics June 24, 2026 at 11:12 PM

#19172

14.2.18 new solution

Alexphysics June 24, 2026 at 11:12 PM

#19171

1 hour 16 minutes between problems

solved· 14.5.15 in 51 seconds

14.5.15 edit

jzmicer June 24, 2026 at 09:55 PM

#19170

14.5.15 edit

jzmicer June 24, 2026 at 09:54 PM

#19169

1 minute between problems

solved· 12.1.34 in 30 seconds

12.1.34 edit

jzmicer June 24, 2026 at 09:52 PM

#19168

12.1.34 edit

jzmicer June 24, 2026 at 09:52 PM

#19167

12.1.34 edit

jzmicer June 24, 2026 at 09:52 PM

#19166

1 hour 15 minutes between problems

solved· 8.2.22

8.2.22 comment

emixter June 24, 2026 at 08:36 PM

thread

1 hour 18 minutes between problems

solved· 8.2.23 in 2 minutes 11 seconds

8.2.23 edit

Alexphysics June 24, 2026 at 07:17 PM

#19165

8.2.23 edit

Alexphysics June 24, 2026 at 07:16 PM

#19164

8.2.23 edit

Alexphysics June 24, 2026 at 07:15 PM

#19163

8.2.23 new solution

Alexphysics June 24, 2026 at 07:15 PM

#19162

25 minutes between problems

solved· 8.2.22 in 1 minute 30 seconds

8.2.22 edit

Alexphysics June 24, 2026 at 06:50 PM

#19161

8.2.22 new solution

Alexphysics June 24, 2026 at 06:49 PM

#19160

1 hour 27 minutes between problems

solved· 12.1.34

12.1.34 new solution

jzmicer June 24, 2026 at 05:22 PM

#19159

6 hours 35 minutes between problems

solved· 5.6.3 in 11 minutes 3 seconds

5.6.3 edit

JMMA2006 June 24, 2026 at 10:46 AM

#19158

5.6.3 edit

JMMA2006 June 24, 2026 at 10:45 AM

#19157

5.6.3 edit

JMMA2006 June 24, 2026 at 10:44 AM

#19156

5.6.3 edit

JMMA2006 June 24, 2026 at 10:42 AM

#19155

5.6.3 edit

JMMA2006 June 24, 2026 at 10:35 AM

#19154

19 minutes between problems

solved· 11.2.8

11.2.8 edit

naz June 24, 2026 at 10:16 AM

#19153

less than a minute between problems

solved· 11.2.10 in 1 minute 10 seconds

11.2.10 edit

naz June 24, 2026 at 10:16 AM

#19152

11.2.10 edit

naz June 24, 2026 at 10:14 AM

#19151

1 minute between problems

solved· 8.2.30

8.2.30 edit

emixter June 24, 2026 at 10:13 AM

#19150

4 minutes between problems

solved· 11.2.8 in 2 minutes 12 seconds

11.2.8 edit

naz June 24, 2026 at 10:08 AM

#19149

11.2.8 edit

naz June 24, 2026 at 10:06 AM

#19148

4 minutes between problems

solved· 11.2.10 in 6 minutes 38 seconds

11.2.10 edit

naz June 24, 2026 at 10:02 AM

#19147

11.2.10 new solution

naz June 24, 2026 at 09:55 AM

#19146

30 minutes between problems

solved· 8.2.30

8.2.30 new solution

emixter June 24, 2026 at 09:24 AM

#19145

16 minutes between problems

solved· 2.1.25

2.1.25 comment

Ermuh_Oral June 24, 2026 at 09:07 AM

thread

2 hours 34 minutes between problems

solved· 8.2.29 in 35 minutes 43 seconds

8.2.29 edit

emixter June 24, 2026 at 06:33 AM

#19144

8.2.29 new solution

emixter June 24, 2026 at 05:57 AM

#19143

4 hours 37 minutes between problems

solved· 14.4.30 in 2 minutes 14 seconds

14.4.30 edit

Alexphysics June 24, 2026 at 01:20 AM

#19142

14.4.30 new solution

Alexphysics June 24, 2026 at 01:18 AM

#19141

38 minutes between problems

solved· 14.4.29 in 2 minutes 5 seconds

14.4.29 edit

Alexphysics June 24, 2026 at 12:39 AM

#19140

14.4.29 edit

Alexphysics June 24, 2026 at 12:39 AM

#19139

14.4.29 new solution

Alexphysics June 24, 2026 at 12:37 AM

#19138

7 minutes between problems

solved· 14.4.28 in 1 minute 4 seconds

14.4.28 edit

Alexphysics June 24, 2026 at 12:29 AM

#19137

14.4.28 edit

Alexphysics June 24, 2026 at 12:28 AM

#19136

14.4.28 new solution

Alexphysics June 24, 2026 at 12:28 AM

#19135

29 minutes between problems

solved· 14.4.25 in 5 minutes 45 seconds

14.4.25 edit

Alexphysics June 23, 2026 at 11:58 PM

#19134

14.4.25 new solution

Alexphysics June 23, 2026 at 11:53 PM

#19133

2 hours 32 minutes between problems

solved· 14.4.18 in 1 minute 23 seconds

14.4.18 edit

Alexphysics June 23, 2026 at 09:20 PM

#19132

14.4.18 new solution

Alexphysics June 23, 2026 at 09:18 PM

#19131

28 minutes between problems

solved· 14.4.16 in 4 minutes 19 seconds

14.4.16 edit

Alexphysics June 23, 2026 at 08:50 PM

#19130

14.4.16 edit

Alexphysics June 23, 2026 at 08:49 PM

#19129

14.4.16 edit

Alexphysics June 23, 2026 at 08:49 PM

#19128

14.4.16 new solution

Alexphysics June 23, 2026 at 08:46 PM

#19127

8 minutes between problems

solved· 13.1.8

13.1.8 edit

emixter June 23, 2026 at 08:37 PM

#19126

14 minutes between problems

solved· 3.5.2 in 1 minute 20 seconds

3.5.2 edit

Adler June 23, 2026 at 08:22 PM

#19125

3.5.2 edit

Adler June 23, 2026 at 08:21 PM

#19124

12 minutes between problems

solved· 13.1.8

13.1.8 comment

emixter June 23, 2026 at 08:09 PM

thread

less than a minute between problems

solved· 3.5.2 in 10 minutes 44 seconds

3.5.2 edit

Adler June 23, 2026 at 08:08 PM

#19123

3.5.2 edit

Adler June 23, 2026 at 08:08 PM

#19122

3.5.2 new solution

Adler June 23, 2026 at 07:58 PM

#19121

1 hour 19 minutes between problems

solved· 13.1.8 in 7 minutes 20 seconds

13.1.8 edit

Adler June 23, 2026 at 06:38 PM

#19120

13.1.8 new solution

Adler June 23, 2026 at 06:31 PM

#19119

25 minutes between problems

solved· 13.1.5 in 12 minutes 2 seconds

13.1.5 edit

Adler June 23, 2026 at 06:05 PM

#19118

13.1.5 edit

Adler June 23, 2026 at 06:04 PM

#19117

13.1.5 new solution

Adler June 23, 2026 at 05:53 PM

#19116

1 hour 3 minutes between problems

solved· 14.4.15 in 2 minutes 41 seconds

14.4.15 edit

Alexphysics June 23, 2026 at 04:50 PM

#19115

14.4.15 new solution

Alexphysics June 23, 2026 at 04:47 PM

#19114

22 minutes between problems

solved· 14.4.14 in 5 minutes 4 seconds

14.4.14 edit

Alexphysics June 23, 2026 at 04:24 PM

#19113

14.4.14 new solution

Alexphysics June 23, 2026 at 04:19 PM

#19112

22 minutes between problems

solved· 14.4.13 in 4 minutes 24 seconds

14.4.13 edit

Alexphysics June 23, 2026 at 03:57 PM

#19111

14.4.13 new solution

Alexphysics June 23, 2026 at 03:52 PM

#19110

14 minutes between problems

solved· 14.4.10 in 2 minutes 4 seconds

14.4.10 edit

Alexphysics June 23, 2026 at 03:37 PM

#19109

14.4.10 new solution

Alexphysics June 23, 2026 at 03:35 PM

#19108

16 minutes between problems

solved· 14.4.1 in 2 minutes 53 seconds

14.4.1 edit

Alexphysics June 23, 2026 at 03:19 PM

#19107

14.4.1 new solution

Alexphysics June 23, 2026 at 03:16 PM

#19106

21 minutes between problems

solved· 11.2.21 in 1 minute 23 seconds

11.2.21 edit

Alexphysics June 23, 2026 at 02:54 PM

#19105

11.2.21 new solution

Alexphysics June 23, 2026 at 02:53 PM

#19104

12 minutes between problems

solved· 13.1.1 in 3 minutes 19 seconds

13.1.1 edit

Adler June 23, 2026 at 02:40 PM

#19103

13.1.1 edit

Adler June 23, 2026 at 02:37 PM

#19102

13.1.1 new solution

Adler June 23, 2026 at 02:37 PM

#19101

34 minutes between problems

solved· 11.2.8 in 7 minutes 29 seconds

11.2.8 edit

naz June 23, 2026 at 02:03 PM

#19100

11.2.8 edit

naz June 23, 2026 at 02:03 PM

#19099

11.2.8 new solution

naz June 23, 2026 at 01:55 PM

#19098

10 minutes between problems

solved· 6.5.5 in 4 hours 35 minutes

6.5.5 edit

Adler June 23, 2026 at 01:45 PM

#19097

6.5.5 edit

Adler June 23, 2026 at 01:13 PM

#19096

6.5.5 comment

Adler June 23, 2026 at 01:11 PM

thread

6.5.5 comment

emixter June 23, 2026 at 11:58 AM

thread

6.5.5 comment

Adler June 23, 2026 at 10:59 AM

thread

6.5.5 comment

igor June 23, 2026 at 10:52 AM

thread

6.5.5 edit

Adler June 23, 2026 at 10:04 AM

#19095

6.5.5 new solution

Adler June 23, 2026 at 09:09 AM

#19094

12 minutes between problems

solved· 11.5.15 in 41 minutes 52 seconds

11.5.15 edit

igor June 23, 2026 at 08:56 AM

#19093

11.5.15 edit

igor June 23, 2026 at 08:54 AM

#19092

11.5.15 new solution

igor June 23, 2026 at 08:14 AM

#19091

10 minutes between problems

solved· 11.5.16

11.5.16 edit

igor June 23, 2026 at 08:04 AM

#19090

1 minute between problems

solved· 9.4.11 in 5 seconds

9.4.11 edit

igor June 23, 2026 at 08:03 AM

#19089

9.4.11 edit

igor June 23, 2026 at 08:03 AM

#19088

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