摘要: Educational Codeforces Round 1 https://codeforces.com/contest/598 康复训练day1 1/6:A A. Tricky Sum 求和公式(等差+等比) #include <bits/stdc++.h> #define int long l 阅读全文
posted @ 2022-12-15 23:41 Sakana~ 阅读(30) 评论(0) 推荐(0) 编辑