Problems from 2017 ICPC East-Central NA Regional Practice Contest

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Arggggggh!0.00121918796%1.8Easyen
Every Second Counts0.0063656397%2.3Easyen
Is Everybody Appy?0.003511310996%1.6Easyen
KaBlam!0.003489444%6.4Harden
Life Savings0.00213141179%4.3Mediumen
Treating Fractions Irrationally0.0041610770%7.6Harden