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Codeforces Round #710 (Div. 3) https://codeforces.com/contest/1506 昨天的vp A. Strange Table 计算坐标,然后转化 #include <bits/stdc++.h> #define int long long usi 阅读全文
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Codeforces Round #804 (Div. 2) https://codeforces.com/contest/1699 争取上绿名啊啊啊 只做出AB,这里也存档一下大佬们的CD题解以辅助理解 A. The Third Three Number Problem 题意: 构造a, b, c 阅读全文
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Day1 板刷CF构造题 A. Nastia and Nearly Good Numbers https://codeforces.com/problemset/problem/1521/A 构造$z=abt_3,y=at_2,x=at_1$,根据等式$z=x+y$,可以约去a 故可以构造 1 3b 阅读全文