History

9876 total
Andrew EpsteinAndrew Epstein+30.15→vahook-120.60·Sum of prime numbersgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+109.64→vahook-438.57·Sum of prime numbersgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+13.04→vahook-52.15·Sum of prime numbersgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+10.93→vahook-43.73·Sum of prime numbersgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+18.63→vahook-74.51·Sum of prime numbersgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+13.34→vahook-53.36·Sum of prime numbersgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+13.33→vahook-53.31·Sum of prime numbersgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+18.18→vahook-72.72·Sum of prime numbersgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+15.80→zielaj-63.19·Mediangen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+44.44→zielaj-177.77·Mediangen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+51.97→zielaj-207.86·Mediangen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+13.84→zielaj-55.37·Mediangen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+20.08→zielaj-80.32·Mediangen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+51.93→zielaj-207.71·Mediangen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+39.81→zielaj-159.22·Mediangen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+22.90→zielaj-91.60·Mediangen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+17.88→limanjun99-71.50·Sum of prime numbersgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+15.21→M-Rochat-60.83·Largest Square Submatrix of all 1'sgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+19.31→olliecrow-77.22·Sum of prime numbersgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+23.53→olliecrow-94.10·Largest Square Submatrix of all 1'sgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+25.16→olliecrow-100.65·Largest Square Submatrix of all 1'sgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+35.67→Johan Sannemo-142.70·Sum of prime numbersgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein-11.75→Yuriy Lyfenko·Largest Square Submatrix of all 1'sgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein+31.29→vahook-125.17·Sum of prime numbersgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+10.63→vahook-42.50·Sum of prime numbersgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+10.66→zielaj-42.64·Mediangen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+14.66→zielaj-58.65·Mediangen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+173.96→zielaj-695.84·Mediangen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein-31.37→Karthik Reddy·Sum of prime numbersgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein-13.13→Karthik Reddy·Mediangen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein-10.00→mgilder·Largest Square Submatrix of all 1'sgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein-10.00→Keefe·Largest Square Submatrix of all 1'sgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein-12.28→apuxbt·Largest Square Submatrix of all 1'sgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein-22.87→Matthias Görgens·Largest Square Submatrix of all 1'sgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein-10.00→Dominique Garmier·Largest Square Submatrix of all 1'sgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein-10.00→Karthik Reddy·Largest Square Submatrix of all 1'sgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein+50.27→olliecrow-201.09·Largest Square Submatrix of all 1'sgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+18.52→olliecrow-74.07·Largest Square Submatrix of all 1'sgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+54.69→M-Rochat-218.77·Largest Square Submatrix of all 1'sgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+13.11→M-Rochat-52.42·Largest Square Submatrix of all 1'sgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+12.29→M-Rochat-49.16·Largest Square Submatrix of all 1'sgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+38.05→M-Rochat-152.19·Largest Square Submatrix of all 1'sgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+56.63→M-Rochat-226.50·Largest Square Submatrix of all 1'sgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+26.32→Yuriy Lyfenko-105.29·Largest Square Submatrix of all 1'sgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+80.18→Yuriy Lyfenko-320.72·Largest Square Submatrix of all 1'sgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein-40.68→Yuriy Lyfenko·Largest Square Submatrix of all 1'sgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein+19.23→Johan Sannemo-76.93·Sum of prime numbersgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+39.38→Johan Sannemo-157.50·Sum of prime numbersgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+14.89→Johan Sannemo-59.57·Sum of prime numbersgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+53.91→Johan Sannemo-215.63·Sum of prime numbersgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+26.81→zielaj-107.23·Mediangen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+20.85→zielaj-83.38·Mediangen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+23.65→zielaj-94.58·Mediangen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+67.27→zielaj-269.08·Mediangen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein-10.00→Yehor Bondar·Largest Square Submatrix of all 1'sgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein-10.00→zielaj·Largest Square Submatrix of all 1'sgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein→olliecrow·Largest Square Submatrix of all 1'sgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+8.17→M-Rochat-32.68·Largest Square Submatrix of all 1'sgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein-10.00→Aleksei Shahoika·Sum of prime numbersgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein→Yuriy Lyfenko·Largest Square Submatrix of all 1'sgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+4.95→Johan Sannemo-19.80·Sum of prime numbersgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein-10.00→Josu San Martin·Sum of prime numbersgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein+23.57→vahook-94.29·Sum of prime numbersgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein-10.00→zielaj·Sum of prime numbersgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein+1.61→zielaj-6.44·Mediangen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein-10.00→Paul Masurel·Mediangen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein-10.00→Josu San Martin·Mediangen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein-10.00→olliecrow·Mediangen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein-10.00→C21·Mediangen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein+1.64→Louis Ponet-6.56·Order bookgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+1.64→undenuicap-6.57·Order bookgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein-10.00→limanjun99·Order bookgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein+1.65→RussellStrong-6.60·Order bookgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+1.67→Denis-6.69·Order bookgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+1.70→Marc Brinkmann-6.78·Order bookgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+1.71→Daniel Mastalerz-6.84·Order bookgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+1.71→marko1597-6.85·Order bookgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+1.75→parastrom-7.01·Order bookgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+1.76→0xkake-7.04·Order bookgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein-10.00→gchebanov·Order bookgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein-10.00→Matthew Downey·Order bookgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein-10.00→Eugene Zhydzetski·Order bookgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein-10.00→Oleg Kovalov·Order bookgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein-10.00→Brendan Chou·Order bookgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein-10.00→Srijith·Order bookgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein+1.83→Ashish Ahuja-7.30·Order bookgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+1.83→JuneL-7.31·Order bookgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+1.84→Louis Ponet-7.34·Order bookgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein-10.00→TudyM·Order bookgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein+1.88→Jacqueline Nabaglo-7.50·Order bookgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein+1.88→imotw2-7.53·Order bookgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein-10.00→Tony·Order bookgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein-10.00→Ashish Ahuja·Order bookgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein+1.91→Wookyung Jeong-7.64·Order bookgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein-10.00→Danylo Mocherniuk·Order bookgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein+1.92→Alion-7.69·Order bookgen
Oct 5, 2026
Solution Broken
Andrew EpsteinAndrew Epstein-10.00→Leonardo Pedrozo Amaral·Order bookgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein-10.00→Priyanshu Gupta·Order bookgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein-10.00→Amit Rahman·Order bookgen
Oct 5, 2026
Solution Held
Andrew EpsteinAndrew Epstein-10.00→Taylor Dettling·Order bookgen
Oct 5, 2026
Solution Held