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698 Arithmancy (Easy) brute force constructive algorithms interactive strings Statement D1 Helvetic Coding Contest 2024 online mirror (teams allowed, unrated) {1970} PROGRAMMING Helvetic Coding Contest 2024 Editorial 2100
12152 Password Cracking brute force constructive algorithms interactive strings Statement C Codeforces Round 973 (Div. 2) {2013} PROGRAMMING 1250.0