摘要: Codeforces Round 993 div4 个人题解(A~H) Codeforces Round 993 div4 个人题解(A~H) Dashboard - Codeforces Round 993 (Div. 4) - Codeforces A. Easy Problem Cube给定一个整数 \(n\)。她想知道有多少个正整数的有序对 \((a,b)\) 阅读全文
posted @ 2024-12-16 06:28 ExtractStars 阅读(1153) 评论(7) 推荐(5)