If people are willing to memorize CLRS cover to cover for google. they can also probably also master the enjoyable(with time) study of being able to do 60 push-ups.

The Army Physical Fitness Test (APFT) was replaced with the Army Combat Fitness Test (ACFT) which is currently being rolled out.

Many soldiers find it much easier, at least to meet the minimum requirements. The ACFT comprises six events: 3 repetition deadlift (MDL), standing power throw (SPT), hand-release pushup (HRP), sprint-drag-carry (SDC), plank (PLK) and 2 mile run (2MR).

Minimum scores for the ACFT for males 17-21 are as follows:

MDL - 120 lb x 3 reps

SPT - throw a 15 lb ball 6 meters / 19.685 ft

HRP - 10 pushups

SDC - 3:15

PLK - 1:30 plank

2MR - 23:22 for 2-mile run

All of that is quite easily achievable for the majority of males 17-21, I would say.