CodeforcesCodeforcesA significant portion of the content in this section, including problem analyses and solutions, has been generated with the assistance of AI. While I have reviewed and edited the material, there may be errors or inconsistencies.Codeforces Round 1059 (Div. 3) Codeforces Round 1057 (Div. 2) Codeforces Round 1056 (Div. 2) Educational Codeforces Round 180 (Rated for Div. 2) Codeforces Round 1054 (Div. 3) Codeforces Round 1049 (Div. 2) Codeforces Round 1039 (Div. 2) Codeforces Round 1037 (Div. 3) Codeforces Round 1035 (Div. 2) Codeforces Round 1034 (Div. 3)