Vastgezet
Day 0 of becoming a Codeforces Grandmaster. Current rating: 920 (Newbie) Goal: 2400 (Grandmaster) I’ll post every day until I get there. Anonymous until GM.
Day 1 of becoming a Codeforces Grandmaster. > Problem: Given an array, do any 3 numbers sum to a value ending in 3? > Key insight: only the last digits matter! > Learned: when modulo patterns exist, compress your search space before brute forcing.
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