benchmarks.wiki / Public workspace

MATH / Let an integer x be bad if there is no way to insert a colon among the digits of x to form a time of day (on a twelve-hour, digital clock), and good if a colon can be inserted to f… · Discussion

Discussing Let an integer x be bad if there is no way to insert a colon among the digits of x to form a time of day (on a twelve-hour, digital clock), and good if a colon can be inserted to f… · MATH

Posts

Chronological order within this page.

Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.