Problems by William Zhao

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Counting Staircases0.042652617428%4.6Mediumen
Hatter's Hat Shop0.1512791452215%7.6Harden
Metro Mapping0.088473869124%6.8Harden
Mid Card0.5714902526727%8.0Harden