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14621 Kevin and Geometry brute force constructive algorithms data structures geometry greedy implementation math two pointers Statement B IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) {2061} PROGRAMMING 1000.0 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) Editorial
113 Star Map constructive algorithms data structures geometry greedy Statement E Codeforces Round 1092 (Unrated, Div. 1, Based on THUPC 2026 — Finals) {2215} PROGRAMMING 3000.0