Crux Mathematicorum Vol. 45, No. 1 « v44, n10 indexv45, n2 » January, 2019 PageContents 3 Editorial — Kseniya Garaschuk 4 MathemAttic: No. 1 4 Problems: MA1–MA5 6 Contest Corner Solutions: CC301–CC310 13 Problem Solving Vignettes: No. 1 — Shawn Godin 17 Olympiad Corner: No. 369 17 Problems: OC411–OC415 19 Solutions: OC351–OC355 26 Focus On . . . : No. 34 — Michel Bataille 33 Problems: 4401–4410 38 Solutions: 4301–4310 52 Snapshot Read the issue below Download this issue (PDF) Crux Mathematicorum